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Artykuły w czasopismach na temat „Nd-YAG lasers”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Abdulwaahb, Hala Mahmood, Bassam G. Rasheed, and Hanadi H. Altawil. "Deposition of MgO Nanoparticles by Laser Pyrolysis." Al-Nahrain Journal for Engineering Sciences 25, no. 1 (2022): 20–27. http://dx.doi.org/10.29194/njes.25010020.

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Magnesium oxide nanoparticles were deposited by laser pyrolysis process. Three types of lasers were employed CW CO2, Q-switched Nd-YAG (short pulses) and long pulses Nd-YAG lasers. The size and density of nanoparticles vary with laser energy, power, pulse duration and the scanning speed of the laser. In this method, MgO nanoparticles were deposited by a laser beam on a quartz substrate from aqueous solution of magnesium nitrate. AFM images reveal formation of small nanoparticle size of 24.5 nm with surface roughness 6.97nm by Q-switched Nd-YAG laser (10 ns) when the energy was 1J. While for CO

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Al-Hosiny, N. M., A. A. El-Maaref, and R. M. El-Agmy. "Mitigation of Thermal Effects in End Pumping of Nd : YAG and Composite YAG/Nd : YAG Laser Crystas, Modelling and Experiments-=SUP=-1-=/SUP=-." Журнал технической физики 91, no. 8 (2021): 1268. http://dx.doi.org/10.21883/jtf.2021.08.51103.38-21.

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In this work, we have presented a finite element (FE) numerical modelling simulations to study and analyze the thermal effects in Nd : YAG and composite YAG/Nd : YAG laser rods. We have calculated the temperature distributions, stress intensity and thermal focal lengths at different pump powers for both rods. The FE simulations showed that using composite laser rod of undoped cap reduces the maximum value of stress intensity and thermal focal length by &#126;35&#37; and &#126; 50&#37;, respectively. We have verified the FE calculations experimentally by direct measurement of fo

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.A. JABOR, Dr Ashwaq, Afrah A. JABOR, Ruaa M. Saleh Al-ALWANY, and Dr Rashed Hashim JABBA. "PREPARATION AND CHARACTERIZATION OF SELECTIVE ABSORBANCE BIS (4-DIMETHYL AMINO DITHIO BENZIL) COMPLEX DYES COATINGS TO REFLECT LASER RADIATION THAT IN SURGERY ROOMS." MINAR International Journal of Applied Sciences and Technology 01, no. 01 (2019): 1–10. http://dx.doi.org/10.47832/2717-8234.1-1.1.

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The Preparation dithio benzil dyes with high selective absorbance of Nd+3:YAG and Nd+3:glass laser Emission Spectrum and complexes were investigated and characterization by Fourier Transform Infrared (FT-IR ) spectrum and visble nearInfrared spectrum (Vis-NIR) where stronger absorption peak showed a gentle alignment of the emission of lasers. After that adding these dyes to adhesive polymer to coat walls of surgery rooms and glasses to absorb the emissive rays of these lasers that effect on worker bodies .The importance of this research is ensure the safety of workers in the surgery rooms and

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Cattoni, Francesca, Lucrezia Ferrante, Sara Mandile, Giulia Tetè, Elisabetta Maria Polizzi, and Giorgio Gastaldi. "Comparison of Lasers and Desensitizing Agents in Dentinal Hypersensitivity Therapy." Dentistry Journal 11, no. 3 (2023): 63. http://dx.doi.org/10.3390/dj11030063.

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The main objective of this review is to verify the validity of laser therapy in the treatment of dentin hypersensitivity, an extremely common problem in patients, with Nd: YAG lasers or high- and/or low-power diode lasers to obtain a definitive protocol for the treatment of hypersensitivity, given the multiplicity of laser treatments proposed by the numerous authors evaluated. The authors performed an electronic search on PubMed, favouring it as a search engine. Lasers represent a means of treating dentin hypersensitivity, used alone and/or in conjunction with specific products for the treatme

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Lee, So Yeon, Hye Ran Kim, Jin Seo Park, et al. "The Efficacy and Safety of a Low-Fluence 1064 nm Picosecond ND-YAG Laser Compared with Those of a Low-Fluence Photoacoustic Therapy Pulsed (PTP) Mode 1064 nm Q-Switched ND-YAG Laser for Treatment of Melasma: A Prospective Split-Face Study." Dermatologic Therapy 2023 (June 26, 2023): 1–10. http://dx.doi.org/10.1155/2023/5961152.

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Melasma is a challenging pigmentation disorder to treat, and although low-fluence 1064 nm picosecond ND-YAG lasers have shown potential for treating benign pigmented disorders, data on the use of this laser for melasma treatment are currently insufficient. In this prospective split-face study, twenty-four patients with melasma on the face were enrolled and randomly assigned to receive treatment on one side of the face either with a low-fluence 1064 nm picosecond ND-YAG laser or with a low-fluence PTP mode 1064 nm Q-switched ND-YAG laser. Laser treatment was performed 5 times at intervals of 2

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6

Basu, S. "Nd-YAG and Yb-YAG rotary disk lasers." IEEE Journal of Selected Topics in Quantum Electronics 11, no. 3 (2005): 626–30. http://dx.doi.org/10.1109/jstqe.2005.850238.

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Saiki, T., T. Iwashita, J. Sakamoto, et al. "Rod-Type Ce/Cr/Nd : YAG Ceramic Lasers with White-Light Pump Source." International Journal of Optics 2022 (September 19, 2022): 1–10. http://dx.doi.org/10.1155/2022/8480676.

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Ceramic is promising for use as a solid-laser material pumped with solar or lamp light. We developed a Cr3+ ion doped Nd : YAG ceramic laser that converts white light into near-infrared laser light more efficiently. Investigation of its optical properties has revealed that large gain can be realized with excitation power that is one order of magnitude less than that in the case of Nd : YAG. Ce3+ ion doping also makes it possible to utilize the excitation light components with wavelengths of 350 nm or less, preventing generation of color centers. A rod-type Ce3+/Cr3+/Nd : YAG ceramic pumped by

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8

Al-Bakaa, Muhammad K., Muhsin A. Al-Dhalimi, Prabhatchandra Dube, and Fatimah K. Khalaf. "Evaluating the Roles of Different Types of Laser Therapy in Becker’s Nevus Treatment." Journal of Clinical Medicine 11, no. 14 (2022): 4230. http://dx.doi.org/10.3390/jcm11144230.

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Becker’s nevus (BN) is a cutaneous hamartoma of benign nature that develops through adolescence and affects mostly young men. The nevus is usually located unilaterally and is characterized by hypertrichosis and hyperpigmentation. Despite recent advances in treatment modalities, no effective treatment has been established for BN hyperpigmentation. We sought to assess the efficacy and safety of fractional Erbium: YAG 2940 nm and Q-switched Nd: YAG 1064 nm lasers in the treatment of BN hyperpigmentation. Twenty-three patients with BN were included in a prospective, randomized-controlled, observer

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9

Zappia, Elena, Serena Federico, Carmen Volpe, Elisabetta Scali, Steven Paul Nisticò, and Luigi Bennardo. "Alexandrite and Nd:YAG Laser vs. IPL in the Management of Facial Hirsutism: A Retrospective Study." Photonics 10, no. 5 (2023): 572. http://dx.doi.org/10.3390/photonics10050572.

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Background and objectives: Hirsutism is characterized by the abnormal presence of hair in women, which occurs in typically male areas. The causes of this symptom can be many; however, it is often associated with PCOS. Among the most effective procedures that can be used for hair removal are lasers such as the Alex laser, Nd: YAG, and IPL. Materials and Methods: This study analyzed a total of 71 patients who were treated for hirsutism caused mainly by PCOS; the remaining cases were idiopathic. The patients were divided into two groups: the first group was treated with laser sources, specificall

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Gueorgieva, Tzvetelina G., and Raina T. Gergova. "INVESTIGATION OF ANTIBACTERIAL ACTIVITY OF ND: YAG - LASER AND STANDARD ENDODONTIC TREATMENT." Journal of IMAB - Annual Proceeding (Scientific Papers) 27, no. 2 (2021): 3736–40. http://dx.doi.org/10.5272/jimab.2021272.3736.

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Introduction: The microbial infection is one of the main causes of the dental pulp and periodontal diseases. Previously used methods for its elimination are not fully effective, and often some microorganisms in root canals (RC) remain unaffected after treatment. Another modern method for disinfection of root canal system is laser disinfection. Different types of lasers are used - Nd: YAG, Er: YAG, Diode laser. Purpose: The purpose of our study is to compare the antibacterial activity of ND: YAG laser and conventional endodontic therapy in the treatment of infected root canals. Materials and me

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11

Marwan A.alkarem A.albaqi, Awatef Saber Jasem, and Adnan Fathel A.azawai. "The Influence of molecular Effects on Laser Nd:YAG and Diode on Trichophyton Rubrum fungi using RAPD marker." Tikrit Journal of Pure Science 24, no. 6 (2019): 117–25. http://dx.doi.org/10.25130/tjps.v24i6.446.

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This study was carried out to assess the morphological and molecular effects of the Nd: yag and Diode (semiconductor) lasers on Trichophyton rubrum Fungi using RAPD marke . Sixty samples of skin patches, nail clippings and parts of hair were collected from infected patients of both sexes (34 males and 26 females) for the age group (1-60) year of patients who have attended to Tikrit Teaching Hospital. The T.rubrum fungi was the most common among the skin fungi, T.rubrum radiated by using two lasers: the Nd: yag laser with a wavelength (530) nm and energy (300, 500, 700) mJ and for two times exp

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12

Heri, Sugito, Khumaeni Ali, and Maskhanatul Fuadah Inaini. "Identification of Calcium and Magnesium in Medicine Using Plasma Laser Spectroscopy." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 06, no. 11 (2023): 5311–14. https://doi.org/10.5281/zenodo.10318550.

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The identification of magnesium (Mg) in pharmaceutical products was carried out using LIPS (Laser-Induced Plasma Spectroscopy). The lasers used in the research were Nd: YAG laser and CO2 laser. The sample used was a supplement tablet. The laser beam is directed and focused by a convex lens on the sample. The plasma beam is induced on the sample surface. The sharp and high-intensity emission spectrum detected using the Nd: YAG laser indicates the presence of Calcium (Ca) and Magnesium (Mg) in the sample. The results obtained were then compared with sample testing using a CO2 laser. The results

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13

Wali, Keerti, Shilpa Maled, Ronak Solanki, Apoorva G. Ayachit, and Aniket N. Shastri. "Safety and efficacy of frequency-doubled Nd-YAG laser photocoagulation of different types of corneal neovascularisation (NLPC): a prospective study." BMJ Open Ophthalmology 10, no. 1 (2025): e001734. https://doi.org/10.1136/bmjophth-2024-001734.

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PurposeFrequency doubling of neodymium-doped yttrium aluminum garnet (Nd-YAG) laser results in emission of photocoagulating 532 nm light compared with photolytic 1064 nm emission. The ergonomic benefits of solid-state lasers led to replacement of older coagulating lasers in ophthalmic centres by frequency-doubled Nd-YAG laser. Our study aims to evaluate safety and efficacy of frequency-doubled Nd-YAG laser for photocoagulation of corneal neovascularisation (NLPC).Methods30 quiet eyes of 28 patients with superficial, mid-stromal and deep stromal inactive corneal neovascularisation were subjecte

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14

Angela Toshie Araki, Alexandre Gomes Bezerra, Priscila Alonso Henriques, Andrea Kanako Yamazaki Arasaki, Igor Prokopowitsch, and Celso Luis Caldeira. "Analysis of apical sealing of canals irradiated with Er: YAG and Nd: YAG lasers and filled with AH Plus®." RSBO 10, no. 1 (2014): 20–3. http://dx.doi.org/10.21726/rsbo.v10i1.889.

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Laser technology is gaining increasing importance in dental practice and also in the field of Endodontics with its ability to promote disinfection and experimentally in the preparation of root canal. The action of different types of lasers results in changes representing the increase in permeability of dentinal tissue (Er: YAG) or sometimes by a decrease in melting and recrystallization of dentin (Nd: YAG). Objective: this study assessed through apical dye leakage, the influence of irradiation with two types of laser, regarding to the quality of apical sealing of endodontic fillings. Material

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KREISNER, Paulo Eduardo, Vinicius Nery VIEGAS, Ana Cláudia Lustosa PEREIRA, and Rogério Miranda PAGNONCELLI. "Excisão cirúrgica de hemangioma labial com laser de Nd: YAG." Revista da Faculdade de Odontologia de Porto Alegre 45, no. 2 (2004): 39–42. http://dx.doi.org/10.22456/2177-0018.7664.

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Hemangiomas são neoplasias benignas de vasos sangüíneos. Na cavidade buical ocorrem com maior prevalência em língua, lábios e mucosa jugal. Os lasers cirúrgicos constituem uma excelente alternativa terapêutica para este tipo de malformação vascular. As propriedades coagulativas e de corte destes lasers permitem procedimentos de excisão cirúrgica dos hemangiomas sem riscos de sangramento, proporcinando melhor padrão cicatricial e aspecto pós-operatório. O objetivo deste trabalho é realizar uma revista de literatura sobre o uso de lasers cirúrgicos no tratamento de hemangiomas e relatar um

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Shafiekhani, Azizollah, Mehdi Fattahi, Nezafat Negin Beryani, et al. "Topographic characterization of zirconia-based ceramics by atomic force microscopy: A case study on different laser irradiations." Journal of Alloys and Compounds 831 (March 16, 2020): 1–10. https://doi.org/10.1016/j.jallcom.2020.154763.

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The purpose of the present study is to evaluate the effects of different laser irradiations including Nd-YAG (neodymium-doped yttrium aluminum garnet laser; Nd:Y3Al5O12), Er-YAG (erbium-doped yttrium aluminum garnet laser, erbium YAG laser), and Carbon dioxide (CO2) infrared lasers on surface topography of zirconia-based ceramics samples which were prepared by copy milling technique. Three dimensional (3D) atomic force microscopy (AFM) images were applied to investigate surface properties by extracting information via MountainsMap® Premium software which divides the surface into peaks and

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A.alkarem A.albaqi1, Marwan, Awatef Saber Jasem1, and Adnan Fathel A.azawai2. "The Influence of molecular Effects on Laser Nd:YAG and Diode on Trichophyton Rubrum fungi using RAPD marker." Tikrit Journal of Pure Science 24, no. 6 (2019): 117. http://dx.doi.org/10.25130/j.v24i6.896.

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This study was carried out to assess the morphological and molecular effects of the Nd: yag and Diode (semiconductor) lasers on Trichophyton rubrum Fungi using RAPD marke . Sixty samples of skin patches, nail clippings and parts of hair were collected from infected patients of both sexes (34 males and 26 females) for the age group (1-60) year of patients who have attended to Tikrit Teaching Hospital. The T.rubrum fungi was the most common among the skin fungi, T.rubrum radiated by using two lasers: the Nd: yag laser with a wavelength (530) nm and energy (300, 500, 700) mJ and for two times exp

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AN, JING, SHENGZHI ZHAO, GUIQIU LI, et al. "LASER-DIODE END-PUMPED DOUBLY PASSIVELY Q-SWITCHED INTRACAVITY-FREQUENCY-DOUBLING Nd:YVO4/KTP GREEN LASER WITH Cr4+:YAG AND GaAs SATURABLE ABSORBERS." International Journal of Modern Physics B 25, no. 02 (2011): 293–300. http://dx.doi.org/10.1142/s0217979211056743.

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Doubly passively Q-switched Nd : YVO 4/ KTP green lasers with Cr 4+: YAG and GaAs saturable absorbers have been realized. Different small-signal transmissions T0 of Cr 4+: YAG are used and when T0 = 0.71, the highest average output power can be generated by the doubly passively Q-switched green laser. The experimental results reveal that the output characteristics of doubly passively Q-switched green lasers depend on the small-signal transmissions of two saturable absorbers. The suitable small-signal transmissions of two saturable absorbers should be reasonably chosen to meet the needs of appl

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Kurtz, Bryan R., and James F. Daniell. "The role of lasers in the laparoscopic treatment of infertility and endometriosis." Reproductive Medicine Review 2, no. 2 (1993): 85–94. http://dx.doi.org/10.1017/s0962279900000636.

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Lasers have now been used laparoscopically in infertility surgery for over a decase. Use of the CO2 laser at laparoscopy began independently in France, Israel and North America. Investigators have subsequently reported use of the argon, Nd-YAG, and the KTP lasers for laparoscopic laser surgery. All of these surgical lasers are now widely available and have been used clinically for many laparoscopic procedures. This review will examine the laparoscopic use of both infrared and visible laser light energy in the treatment of infertility and endometriosis.

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Xu Jinjin, 徐瑾瑾, 张行愚 Zhang Xingyu, 丛振华 Cong Zhenhua, et al. "Tunable Nd 3+∶YAG/KTiOAsO4 Raman Lasers." Chinese Journal of Lasers 47, no. 6 (2020): 0601002. http://dx.doi.org/10.3788/cjl202047.0601002.

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Parul, Goyal, Singh Rana Gurveer, Grewal Lamya, Godara Fanish, Rathore Vasav, and Sood Anurag. "Therapeutic Efficacy of Q: Switched Nd: Yag LASER in Onychomycosis." International Journal of Pharmaceutical and Clinical Research 16, no. 11 (2024): 1447–54. https://doi.org/10.5281/zenodo.14494025.

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<strong>Background:</strong> Onychomycosis (OM) is a slow-growing nail fungal infection that if left untreated, may result in the total loss of the nail plate. Oral and topical antifungal therapy are usually prescribed to patients for treating onychomycosis. Non-pharmacological therapeutic techniques such photodynamic therapy, diode lasers, long pulse and Q switched-Nd-YAG LASER, and fractional CO<sub>2</sub> lasers have recently become popular for treating the OM. <strong>Objective:</strong> This study was conducted with the aim to study the safety and efficacy of Q switch

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Aidah Abd Al-doori, Awatef Saber Jasem, and Adnan F. AL-Azzawie. "Effects of Nd:Yag Laser on some virulence factor genes of Pseudomonas aeruginosa bacteria." Tikrit Journal of Pure Science 25, no. 2 (2020): 86–92. http://dx.doi.org/10.25130/tjps.v25i2.240.

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The aim of this study was to assess effects of the 532nm Nd-yag laser on the genes of Tox A, Exo S, and Opr L, of Pseudomonas aeruginosa (P. aeruginosa) bacteria isolated from clinical (wounds, burns, otitis media) and environmental (water, soil) samples. Clinical samples were collected from patients coming to Saladdin General Hospital from wound, burns and middle ear infections while environmental samples were extracted from water and soil for Saladdin General Hospital . Bacterial samples irradiated by Nd-Yag laser with wavelength of 532 nm using energies (300mj,500mj) with (15 and 25 sec) an

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Chittla, Sravan, Swetha Donakonda, Dheeraj Sathaiahgari, and Vengamamba Ravali Pathipati. "Efficacy and Safety of Nd: YAG Laser in Tattoo Removal: An Interventional Study." International Journal of Pharmaceutical and Clinical Research 15, no. 3 (2023): 1448–55. https://doi.org/10.5281/zenodo.12791042.

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<strong>Background</strong><strong>:</strong> Tattoos are intentionally made on skin by an artist or cosmetologist which may be temporary or permanent. Most of them are permanent. Because of various reasons patient intends for tattoo removal, in that situation various procedures like dermabrasion, cryo-surgery, excision are available but with limited satisfaction. Newer techniques like lasers such as Q-switched lasers are now being tried. <strong>Objective:</strong> Present study was done to know the efficacy and safety of neodymium-doped yttrium aluminium garnet (Nd: YAG) laser

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Rana, Prangya Parimita, and Venkatram Mysore. "Long-pulsed 1064 nm Nd: YAG laser in treatment of palmoplantar warts: A prospective study." Cosmoderma 3 (May 19, 2023): 78. http://dx.doi.org/10.25259/csdm_75_2023.

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Objectives: Palmoplantar warts are a challenge to treat. Standard treatment methods include electrocautery, radiofrequency ablation and cryosurgery, carbon dioxide laser, and Erbium-doped Yttrium Aluminum Garnet laser, which are ablative, invasive, and have downtime. Non-ablative lasers like pulsed dye laser and long-pulsed Neodymium: Yttrium-Aluminum-Garnet (Nd: YAG) have been tried earlier for the treatment of warts to overcome these deficiencies. The aim of the study was to assess the efficacy and safety of long-pulsed 1064 nm Nd: YAG laser in the treatment of palmoplantar warts. Material a

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Rajagopal, Sangeetha, Nivean Madhivanan, Lakshmi Mayilvakanam, and Pratheebadevi Nivean. "Choroidal Detachment Following Multi-spot Double Frequency Nd-YAG Retinal Photocoagulation – A Case Report." Journal of Lasers in Medical Sciences 11, no. 3 (2020): 345–47. http://dx.doi.org/10.34172/jlms.2020.55.

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Introduction: Panretinal photocoagulation (PRP) remains the gold standard treatment for severe non-proliferative and proliferative diabetic retinopathy (PDR), as it reduces the risk of severe visual loss by more than 50%. In the conventional single-spot laser, the procedure involves the application of moderate-intensity burns of 200-500 microns, placed one spot-size apart to achieve a total of 1200-2000 applications in 2 or 3 sessions. The more advanced retina lasers like the Pattern Scan Laser (PASCAL) and the VITRA multi-spot laser are 532 nm frequency-doubled (Nd: YAG) solid-state lasers. T

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Hendawy, Alyaa Farouk, Dalia Gamal Aly, Hisham Aly Shokeir, and Nevien Ahmed Samy. "Comparative Study Between the efficacy of Long-Pulsed Neodymium- YAG Laser and Fractional Co2 Laser in the Treatment of Striae Distensae." Journal of Lasers in Medical Sciences 12, no. 1 (2021): e57-e57. http://dx.doi.org/10.34172/jlms.2021.57.

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Introduction: Stretch marks, or striae distensae (SD), are the lesions of the dermis caused by its linear atrophy at the sites of stretching. They occur in more than 70% of pregnant women and adolescents as a result of cutaneous stretching. This study aimed at evaluating and comparing the clinical and histological efficacy of the fractional CO2 laser versus the long pulsed (LP) Nd: YAG laser in the treatment of striae alba. Methods: Thirty female subjects having bilateral symmetrical stretch marks were managed by the LP Nd: YAG laser on the right side and the fractional CO2 laser on the left s

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Feng, Yan, Jianren Lu, Kazunori Takaichi, et al. "Passively Q-switched ceramic Nd^3+:YAG/Cr^4+:YAG lasers." Applied Optics 43, no. 14 (2004): 2944. http://dx.doi.org/10.1364/ao.43.002944.

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Al-doori1, Aidah Abd, Awatef Saber Jasem1, and Adnan F. AL-Azzawie2. "Effects of Nd:Yag Laser on some virulence factor genes of Pseudomonas aeruginosa bacteria." Tikrit Journal of Pure Science 25, no. 2 (2020): 86. http://dx.doi.org/10.25130/j.v25i2.962.

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The aim of this study was to assess effects of the 532nm Nd-yag laser on the genes of Tox A, Exo S, and Opr L, of Pseudomonas aeruginosa (P. aeruginosa) bacteria isolated from clinical (wounds, burns, otitis media) and environmental (water, soil) samples. Clinical samples were collected from patients coming to Saladdin General Hospital from wound, burns and middle ear infections while environmental samples were extracted from water and soil for Saladdin General Hospital . Bacterial samples irradiated by Nd-Yag laser with wavelength of 532 nm using energies (300mj,500mj) with (15 and 25 sec) an

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Olsen, F. O., and L. Alting. "Pulsed Laser Materials Processing, ND-YAG versus CO 2 Lasers." CIRP Annals 44, no. 1 (1995): 141–45. http://dx.doi.org/10.1016/s0007-8506(07)62293-8.

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UEDA, Ken-ichi, Jianren LU, Kazunori TAKAICHI, Hideki YAGI, Takakimi YANAGITANI, and Alexander KAMINSKII. "Nd-Doped Ceramic YAG Lasers and Their Future." Review of Laser Engineering 31, no. 7 (2003): 465–70. http://dx.doi.org/10.2184/lsj.31.465.

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Wu, Xiao Hong. "Study on Laser Brazing for Copper." Advanced Materials Research 937 (May 2014): 141–44. http://dx.doi.org/10.4028/www.scientific.net/amr.937.141.

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The power at 400 Watts Nd: YAG laser is used for laser brazing on copper. By improving the process parameter,a good joint will be achieved. Because of the stainless steel material, more lasers will be absorbed, which can actualize the small power laser weld the thicker red copper. The test of the joint pull shows that the tensile strength of the copper brazing joint can reach more than 80% of its base mental.

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Pun, Himali, Vibha Basavaraj Wodeyar, Peeyush Shivhare, and Ajay Kumar. "Minimally Invasive Management of Leukoplakia with Diode Laser: A Case Series." Journal of Cancer and Tumor International 15, no. 3 (2025): 84–90. https://doi.org/10.9734/jcti/2025/v15i3304.

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Leukoplakia is a potentially malignant disorder affecting the oral cavity. Early detection and prompt treatment are the keys to prevent its malignant transformation. Various treatment modalities have been discussed in multiple literatures, broadly categorized into non-surgical and surgical treatments. Non-surgical treatment includes various chemopreventive agents, while surgical treatment includes excisional surgery, electrocauterization, laser surgery, or cryosurgery. Surgical treatment is always the key to eradicating the leukoplakia patch completely. Laser is known for its various advantage

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Yang, Hao, Jian Zhang, Dewei Luo, Hui Lin, Deyuan Shen, and Dingyuan Tang. "Novel transparent ceramics for solid-state lasers." High Power Laser Science and Engineering 1, no. 3-4 (2013): 138–47. http://dx.doi.org/10.1017/hpl.2013.18.

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AbstractRecent progress on rare-earth doped polycrystalline YAG transparent ceramics has made them an alternative novel solid-state laser gain material. In this paper we present results of our research on polycrystalline RE:YAG transparent ceramics. High optical quality YAG ceramics doped with various rare-earth (RE) ions such as ${\rm Nd}^{3+}$, ${\rm Yb}^{3+}$, ${\rm Er}^{3+}$, ${\rm Tm}^{3+}$, and ${\rm Ho}^{3+}$ have been successfully fabricated using the solid-state reactive sintering method. Highly efficient laser oscillations of the fabricated ceramics are demonstrated.

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Malcangi, Giuseppina, Assunta Patano, Irma Trilli, et al. "Therapeutic and Adverse Effects of Lasers in Dentistry: A Systematic Review." Photonics 10, no. 6 (2023): 650. http://dx.doi.org/10.3390/photonics10060650.

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Laser therapy has become one of the gold standards of treatment in routine dentistry. In the 1970s, CO2 lasers were the first lasers to be used in oral surgery on soft tissues. Subsequently, other lasers (Diode, Nd YAG, Er: YAG, Argon and Erbium) have also been used in periodontics, implantology, orthodontics and restorative dentistry, as well as for hard tissues, such as bone, enamel and dentin. The purpose of this systematic review is to analyze both the therapeutic properties and adverse effects of laser use in dentistry, related to a non-targeted choice of medical device based on clinical

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Striova, Jana, Raffaella Fontana, Ilaria Barbetti, Luca Pezzati, Annamaria Fedele, and Cristiano Riminesi. "Multisensorial Assessment of Laser Effects on Shellac Applied on Wall Paintings." Sensors 21, no. 10 (2021): 3354. http://dx.doi.org/10.3390/s21103354.

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The assessment of five different laser treatments in the conservation of wall paintings was devised on the basis of the surface temperature monitoring by infrared thermography (IRT), ultraviolet-induced fluorescence-visible (UV-VIS) imaging, and optical coherence tomography (OCT). A series of yttrium-aluminum-garnet (YAG) lasers were tested for removal of shellac layers from wall painting mock-ups. The mock-ups were realized as buon fresco with different mineral based pigments (earths and iron oxide) on a lime- and sand-based mortar. After the carbonatation process, all the samples were treate

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Maarouf, Idriss, Mehdi Khamaily, Othman Haddani, Loubna Mouhib, and Mohamed Elbelhadji. "Combined Argon and Yag Laser Puppiloplasty: A Case Report." European Journal of Medical and Health Sciences 7, no. 2 (2025): 126–30. https://doi.org/10.24018/ejmed.2025.7.2.2078.

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Background: This case portrays different laser utilities in ophtalmic field, the selection of lasers is based on tissue absorption properties and the desired tissue damage outcomes. Different laser types, such as the excimer laser, are utilized for various corneal surgeries, including refractive procedures and phototherapeutic keratectomy for treating corneal disorders. In iridotomy procedures, argon, Nd: YAG, or diode lasers are used to address primary angle closure glaucoma and other related conditions. Iridoplasty, employing the argon laser, aims to open closed angles by inducing iris strom

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Lippert, Burkard M., and Jochen A. Werner. "Comparison of Carbon Dioxide and Neodymium: Yttrium-Aluminum-Garnet Lasers in Surgery of the Inferior Turbinate." Annals of Otology, Rhinology & Laryngology 106, no. 12 (1997): 1036–42. http://dx.doi.org/10.1177/000348949710601207.

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At the Department of Otorhinolaryngology—Head and Neck Surgery of the University of Kiel, 533 patients with hyperplastic inferior turbinates were treated between 1987 and 1994 with various carbon dioxide (CO2) and neodymium:yttrium-aluminum-garnet (Nd:YAG) laser techniques. We report on the therapeutic results of both types of laser turbinectomy and compare their long-term results with those of submucosal diathermy. Among the different techniques, we preferred the following approaches. The CO2 laser technique involved the application of a few laser spots (laser energy density 6,100 J/cm2 per l

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Banerjee, Amit Jyoti, Manoja Kumar Biswal, A. K. Lohar, H. Chattopadhyay, and Naga Hanumaiah. "Review on experimental study of Nd:YAG laser beam welding, with a focus on aluminium metal matrix composites." International Journal of Engineering & Technology 5, no. 3 (2016): 92. http://dx.doi.org/10.14419/ijet.v5i3.5984.

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The demand for high performance materials particularly in aviation and automobile industries gradually increases, CO2 and Nd: YAG lasers are becoming most popular in processing these advanced materials. In this context, one of the most important process is joining by welding. It has been a constant endeavour by researchers to explore various methods and techniques to enhance the process efficiency of autogenous Nd: YAG laser welding of various materials i.e. without any filler materials. In this work, we present a comprehensive review of major research findings for the last decades or so, obta

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Wu, Qi, and Jun Wang. "Development in Laser Polishing of Polycrystalline Diamond Tools." Advanced Materials Research 135 (October 2010): 1–6. http://dx.doi.org/10.4028/www.scientific.net/amr.135.1.

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Laser polishing is a surface finishing technology for polycrystalline diamond (PCD) tools by removing uneven diamond particles from the diamond film through graphitization, melting and sublimation. While various types of lasers are used for the polishing of PCD tools, pulsed excimer and Nd: YAG lasers are among the most commonly used ones. The current development in laser polishing of PCD tools is reviewed. The reported experimental and modelling studies to improve the process performance are discussed. It reveals that there is a severe dearth of understanding of the process and the associated

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Ren Xikui, 任席奎, 谢建 Xie Jian, 阮双琛 Ruan Shuangchen, et al. "First-Stokes Raman Lasers Based on ZnWO4/Nd∶YAG." Chinese Journal of Lasers 47, no. 6 (2020): 0601003. http://dx.doi.org/10.3788/cjl202047.0601003.

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Shibata, K., T. Iwase, H. Sakamoto, M. Kasukawa, K. Chiba, and H. Saeki. "Welding of aluminium tailored blanks by Nd: YAG lasers." Welding International 17, no. 4 (2003): 282–86. http://dx.doi.org/10.1533/wint.2003.3088.

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Ievlev, Ivan V., Igor' V. Koryukin, Yu S. Lebedeva, and Pavel A. Khandokhin. "Continuous two-wave lasing in microchip Nd : YAG lasers." Quantum Electronics 41, no. 8 (2011): 715–21. http://dx.doi.org/10.1070/qe2011v041n08abeh014541.

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Dantas, Ruth Venâncio Fernandes, Rachel de Queiroz Ferreira Rodrigues, João Nilton Lopes de Sousa, Raimundo Euzébio da Costa Neto, Ivalter José Ferreira, and Ítalo de Macedo Bernardino. "Uso do Laser de Alta Intensidade como Alternativa à Cirurgia Convencional de Melanoplastia: Uma Revisão Sistemática." ARCHIVES OF HEALTH INVESTIGATION 11, no. 2 (2021): 201–9. http://dx.doi.org/10.21270/archi.v11i2.5341.

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Objetivo: Avaliar as evidências científicas atuais sobre os resultados do laser de alta intensidade em comparação com as técnicas convencionais para correção da hiperpigmentação gengival. Métodos: Realizou-se uma revisão sistemática seguindo o checklist PRISMA. O protocolo de revisão sistemática foi registrado na base de dados PROSPERO CRD42020173752. Sete bases de dados eletrônicas foram acessadas como fontes primárias de estudo. A "literatura cinzenta" também foi incluída para evitar vieses de seleção e publicação. O risco de viés entre os estudos incluídos foi avaliado com a Ferramenta de A

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Al-Tamimi, Haneen M., Ahmed O. Al-Roubaiy, and Nawal Mohammed Dawood. "Improvement of Microstructure and Wear resistance of X12 Tool Steel by Using Laser Surface Re-Melting Technique." Materials Science Forum 1021 (February 2021): 260–69. http://dx.doi.org/10.4028/www.scientific.net/msf.1021.260.

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Nd-YAG lasers have been successfully used in recent years as reliable heat source to surface modification of engineering materials such as laser surface re-melting. In the present study, X12 tool steel was surface modified by using pulse Nd-YAG laser technique. Laser parameters are selected of 12 J pulse energy, 15 Hz frequency, 20 mm defocus length, 6 ms pulse duration, and 5.6 mm /s mm scanning speed. These parameters were chosen after undertaking trials to give suitable parameters in this process. Optical microscopy and backscattered scanning electron microscopy (SEM) with EDS and X-ray dif

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Sara, Abdul Hussien, and Mahdi Salih Abdul-Kareem. "Absorption Activity Investigation of Saturable Absorber for Dual Wavelengths in Laser Passive Q-Switching System." Indian Journal of Science and Technology 17, no. 6 (2024): 577–82. https://doi.org/10.17485/IJST/v17i6.2822.

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Abstract <strong>Objective:</strong> The absorption activity of saturable absorber material (Cr+4: YAG) for dual wavelengths (1.064 μm and 0.946 μm), simultaneously generated in same passive Q-switching system, has been investigated. <strong>Methods:</strong> This study utilized the mathematical model that was used in our previous study. Rung-Kutta—Fehelberge numerical method has been used to solve this mathematical model. Nd+3: YAG used as an effective medium and Cr+4: YAG used as a saturable absorber in the laser passive Q-switching optical system.<strong> Fin

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İşman, Eren, Rıdvan Okşayan, Oral Sökücü, and Serdar Üşümez. "Temperature Changes of Pulp Chamber duringIn VitroLaser Welding of Orthodontic Attachments." Scientific World Journal 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/589461.

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The use of lasers has been suggested for orthodontists to fabricate or repair orthodontic appliances by welding metals directly in the mouth. This work aimed to evaluate the temperature changes in the pulp chamber during welding of an orthodontic wire to an orthodontic molar band using Nd : YAG laserin vitro. A freshly extracted human third molar with eliminated pulpal tissues was used. J-type thermocouple wire was positioned in the pulp chamber. A conductor gel was used in the transferring of outside temperature changes to the thermocouple wire. An orthodontic band was applied to the molar to

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Momma, C., M. Hube, A. T�nnermann, K. Mossavi, and B. Wellegehausen. "Infrared recombination lasers pumped by low energy Nd: YAG and excimer lasers." Applied Physics B Photophysics and Laser Chemistry 54, no. 3 (1992): 234–38. http://dx.doi.org/10.1007/bf00325509.

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DeRowe, Ari, Roy Landsberg, Yaron Leonov, Abraham Katzir, and Dov Ophir. "Subjective Comparison of Nd:YAG, Diode, and CO2 Lasers for Endoscopically Guided Inferior Turbinate Reduction Surgery." American Journal of Rhinology 12, no. 3 (1998): 209–12. http://dx.doi.org/10.2500/105065898781390145.

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Lasers using different wavelengths and delivery systems have been used to reduce the inferior turbinate mass when hypertrophic inferior turbinates obstruct the nasal airway. Different laser systems produce different laser-tissue interactions. This study presents a comparison between three laser systems: CO2, Nd:YAG, and Diode lasers for inferior turbinate reduction surgery, all performed under endoscopic control. A total of 46 patients were randomized into three treatment groups and followed for more than 1 year. Subjective and objective data were collected. Subjective impressions of improved

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Mohammed, Muneer Khan, Abdulrahman Al-Ahmari, and Usama Umer. "Assessment of Direct Laser Writing using Nd YAG Lasers for Microfluidic Applications." International Journal of Manufacturing, Materials, and Mechanical Engineering 5, no. 2 (2015): 44–58. http://dx.doi.org/10.4018/ijmmme.2015040103.

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The rapid growth in the use of Micro/Nano products in variety of industries such as Micro electromechanical systems (MEMS), microelectronics, Biomedical/Bio-MEMS, automotive (motion sensors), telecommunications etc, has demanded new micro manufacturing methods. The challenge with the manufacturing of Microfluidic devices/biochips is that they often make use of broad range of materials within a single chip, making it difficult to manufacture these devices with conventional photolithographic based techniques. Laser processing of materials has proved to be an important tool for the development of

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Dascalu, T., G. Philipps, and H. Weber. "Investigation of a Cr4+: YAG passive Q-switch in CW pumped Nd: YAG lasers." Optics & Laser Technology 29, no. 3 (1997): 145–49. http://dx.doi.org/10.1016/s0030-3992(96)00064-3.

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