Academic literature on the topic 'Helium-neon laser'

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Journal articles on the topic "Helium-neon laser"

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Senamaw, Mequanent Zgeye. "A Comparative Study on Beam Divergence Angle and Wave Length between Semiconductor Laser and Helium-Neon Laser." J. of Advancement in Engineering and Technology 7, no. 3 (2020): 05. https://doi.org/10.5281/zenodo.3750670.

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In this experimental study, I have seen that a comparative study on semiconductor laser and Helium-Neon laser is presented using the experimental techniques and tried to compare the experimental value with that of the theoretical one. On this work the wave length and beam divergence angle of the two types of lasers up to ten number of trials in the three orders, starting from 20cm to 200cm, with an interval of 20cm for each order was measured and I found that in the first and second order in the two types of laser , the wave length and the divergence angle is greater for Helium-Neon laser than
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Assendrup, J., B. Grover, L. Hall, and S. Jabr. "cw helium‐neon Raman laser." Applied Physics Letters 48, no. 2 (1986): 86–88. http://dx.doi.org/10.1063/1.96943.

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de Bruyn, John R., and R. Bradley. "Photographing helium–neon laser light." American Journal of Physics 60, no. 6 (1992): 571. http://dx.doi.org/10.1119/1.17129.

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Liu, Wei Wei, and Yuan Ming Huang. "Laser Diffractions in Lyotropic Liquid Crystal Formed by Sodium Dodecyl Sulfonate." Key Engineering Materials 428-429 (January 2010): 263–66. http://dx.doi.org/10.4028/www.scientific.net/kem.428-429.263.

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The laser diffractions phenomenon of surrounding bubbles of lyotropic liquid crystal formed by sodium dodecylsulfonate were investigated with polarized optical microscope and helium-neon laser, respectively. The eleven orders of diffractions can be observed when a beam of helium-neon laser is perpendicularly incident on the surrounding bubbles of lyotropic liquid crystal formed by sodium dodecyl sulfonate. The wavelength of the incident light is 633nm. And we have calculated the periodicity, p, of the grating was 0.211mm, and the small diffraction angle was 0.1146o. So we have simulated the mi
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Journal, Baghdad Science. "Using He-Ne laser irradiation for enhancing cartilage Autografts." Baghdad Science Journal 1, no. 2 (2004): 330–35. http://dx.doi.org/10.21123/bsj.1.2.330-335.

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thirty adult NewZealand rabbits used in this study, they were divided in to two groups (control and treaded with Helium — Neon laser). A square skin flap done on the medial aspect of the auricle of both sides, a square piece of cartilage incised, pealed out from each auricle and fixed in the site of the other, then the flaps sutured .The site of the operation in the rabbits of the treated group were irradiated using a Helium —Neon laser with (5mw) power for (10 days) began after the operation directly, (3 rabbits) from each group used for collection of specimens for histopathological examinati
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Jalil, Muhammad Arif Bin. "A Brief Overview on the Helium Mercury Lasers." International Journal for Research in Applied Science and Engineering Technology 12, no. 12 (2024): 1339–43. https://doi.org/10.22214/ijraset.2024.65903.

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One type of metal-vapour laser is the helium mercury laser. It functions similarly to argon/krypton or helium-neon lasers. Because of its working principle, which is based on the ionic transitions of mercury, it is often referred to as the "mercury vapour ion laser." It can produce wavelengths that fall inside the electromagnetic spectrum's visible range. [22]
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Abdulrahman, Parekhan M. "A Parametric Comparison Between the Behavior 1S0 and 3S1 of Helium and the Excited S-Stated of Neon in Helium Neon Laser." Journal of Zankoy Sulaimani - Part A 6, no. 1 (2002): 17–23. http://dx.doi.org/10.17656/jzs.10108.

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YAMAMOTO, Junichiro. "Helium-neon laser-induced thrombosis model." Japanese Journal of Thrombosis and Hemostasis 19, no. 1 (2008): 154–60. http://dx.doi.org/10.2491/jjsth.19.154.

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Jones, Edwin R. "Polarization of a helium‐neon laser." Physics Teacher 34, no. 6 (1996): 346–48. http://dx.doi.org/10.1119/1.2344475.

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Abdulrahman, Hayder J., and Sarah Z. Najimaldeen. "Development technology of helium neon laser power supply." Edelweiss Applied Science and Technology 8, no. 6 (2024): 6431–39. https://doi.org/10.55214/25768484.v8i6.3397.

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The Helium-Neon (HeNe) laser is one of the most commonly used gas lasers in many spectroscopic applications. It is a visible laser with a typical wavelength of 632.8 nm. The best part is, due to its low cost and simplicity, it is popular among hobbyists as well. The output power of a practical HeNe laser tube is usually less than 1mW. In order to operate the HeNe laser, it requires a few kilovolts of direct current (DC). The necessary high voltage DC is generated by a HeNe laser power supply. A typical HeNe laser power supply is a complex, high voltage circuit which is designed to provide the
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Dissertations / Theses on the topic "Helium-neon laser"

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SILVA, DANIELA de F. T. da. "Caracterização e modelagem dos fenômenos anisotrópicos do colágeno após irradiação com laser polarizado de emissão vermelha." reponame:Repositório Institucional do IPEN, 2007. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11546.

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Bilgili, Hulusi Birol. "Pressure, Gas Ratio And Operation Voltage Optimization Of A Helium-neon Laser." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12605917/index.pdf.

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Aim of this thesis is to investigate the optimum working parameters of a helium-neon laser. Partial pressure ratios, total pressures of the gases and voltage-current characteristics were studied. The analysis of the results includes the minor factors (impurity, volume, etc.) and their effects to main parameters (laser power, voltage, current). Tables, which were formed by measured optical parameters as wavelength and power, converted to graphs and from these graphs optimal working conditions for the laser are obtained.
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Graham, Richard Douglas. "Ring laser gain media." Thesis, University of Canterbury. Physics, 2006. http://hdl.handle.net/10092/1377.

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This thesis details the design and construction of an experiment to measure the radial distribution of laser gain in a cylindrical Helium-Neon laser gain tube. This distribution is important as it can effect the transverse mode structure of a running ring laser. Earlier theoretical models of the distribution were not supported by high quality experimental data and fail to take into account some physical processes. A resolution of 8 parts per million in gain and 50 μm in radial position has been achieved. Gain distributions have been measured and are shown to be well modeled by a 0th order Bess
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Schomas, Dominik [Verfasser], and Marcel [Akademischer Betreuer] Mudrich. "Helium and Neon nanoplasmas ignited by ultrashort NIR, MIR and x-ray laser pulses." Freiburg : Universität, 2019. http://d-nb.info/1202010652/34.

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Gretzinger, Harold Alex. "An in vitro study of the effect of helium-neon laser on human fibroblast migration /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64474.

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Tardieu, Corinne. "Effets cliniques et cellulaires induits par un laser helium-neon de moyenne puissance sur la muqueuse buccale." Aix-Marseille 2, 1997. http://www.theses.fr/1997AIX21601.

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Soudry, Maurice. "Capacités biostimulatrices d'un laser hélium-Néon : étude in vitro par culture cellulaire." Aix-Marseille 2, 1987. http://www.theses.fr/1987AIX21502.

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NUNEZ, SILVIA C. "Efeito do laser de helio neonio sobre a microcirculacao sanguinea durante a reparacao tecidual: estudo in vivo por meio de fluxometria laser Doppler." reponame:Repositório Institucional do IPEN, 2002. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11055.

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Made available in DSpace on 2014-10-09T12:47:34Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:10:10Z (GMT). No. of bitstreams: 1 08989.pdf: 4487879 bytes, checksum: e80261387f79b3fc70c007567515777d (MD5)<br>Dissertacao (Mestrado Profissionalizante em Lasers em Odontologia)<br>IPEN/D-MPLO<br>Instituto de Pesquisas Energeticas e Nucleares, IPEN/CNEN-SP; Faculdade de Odontologia, Universidade de Sao Paulo
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Riendeau, Francois J. "An in vivo study of the effect of Helium-Neon laser on the breaking force and histological characteristics of wounds /." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66265.

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ABED, MOHAMED. "Mesure de frequences optiques : application a la mesure de la frequence d'un laser helium-neon stabilise par absorption saturee sur l'iode." Paris 11, 1993. http://www.theses.fr/1993PA112513.

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Nous avons realise une nouvelle chaine de multiplication de frequences visibles, a partir de l'etalon secondaire de frequence a 29 thz du laboratoire (laser a co#2 stabilise sur une transition d'absorption saturee de la molecule d'o#so#4). La frequence d'un laser helium-neon asservi sur le pic f de la transition (127) r11-5 de la molecule d'iode a ete mesuree. Le resultat de cette mesure est: =473 612 353 586,93,4 khz. L'incertitude est environ 20 fois plus petite que celle publiee precedemment et n'est limitee que par la reproductibilite des lasers helium-neon stabilises sur l'iode. Notre cha
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Books on the topic "Helium-neon laser"

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Kurshev, G. A. Straty v geliĭ-neonovykh lazerakh. Nauk. dumka, 1986.

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I, Ilʹichev V., та Tikhookeanskiĭ okeanologicheskiĭ institut (Akademii͡a︡ nauk SSSR), ред. Deĭstvie ėlektromagnitnogo izluchenii͡a︡ na biologicheskie obʺekty i lazernai͡a︡ medit͡s︡ina. Akademii͡a︡ nauk SSSR, Delʹnevostochnoe otd-nie, Tikhookeanskiĭ okeanologicheskiĭ in-t, 1989.

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Pagava, K. I. Morfo-funkt͡s︡ionalʹnye sdvigi pri vozdeĭstvii na organizm monokhromaticheskim kogerentnym krasnym svetom. "Met͡s︡niereba", 1988.

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Sirohi, R. S. A Course of Experiments with Helium/Neon Laser. John Wiley & Sons (Asia) Pte Ltd, 1986.

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Laser doppler velocimetry for continuous flow solar-pumped iodine laser system. National Aeronautics and Space Administration, Langley Research Center, 1991.

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Sjerve, Eric. Polarization behaviour of the quasi-isotropic 3.39 [mi]m (J-1 to J-2) helium-neon Zeeman laser. 1996.

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Gray, B. S. Parameter studies of helium-neon lasers at 543nm. 1991.

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Book chapters on the topic "Helium-neon laser"

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Brill, G. E., and N. P. Panina. "Influence of Helium Neon Laser on Electronic Characteristics of Cellular Nuclei." In Laser in der Medizin / Laser in Medicine. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-93548-0_102.

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Porteder, H., P. Schenk, and K. Zetner. "Tierexperiementelle elektronenmikroskopische Studie über die Wirkung des Helium-Neon-Lasers." In Laser/Optoelectronics in Medicine/Laser/Optoelektronik in der Medizin. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70850-3_34.

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Porteder, Hubert, E. Rausch, U. Jaskulka, K. Vinzenz, and P. Schenk. "Postoperative Helium-Neon-Laser Irradiation in the Face and Neck Region." In LASER Optoelectronics in Medicine. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72870-9_185.

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Passarella, S., E. Casamassima, E. Quagliariello, I. M. Catalano, and A. Cingolani. "Certain Aspects of Helium-Neon Laser Irradiation on Biological Systems In Vitro." In Laser Photobiology and Photomedicine. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2461-4_5.

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Barna, B. A., D. M. Tow, R. T. Allemeier, J. G. Rodriguez, and J. A. Johnson. "Laser Detection of Acoustic Displacements by Destabilizing a Frequency Stabilized Helium Neon Laser." In Review of Progress in Quantitative Nondestructive Evaluation. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0817-1_68.

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Awaad, Hassan Auda. "Role of Helium-neon Laser in Improving Wheat Grain Yield Potentiality." In Mitigating Environmental Stresses for Agricultural Sustainability in Egypt. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64323-2_14.

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Juri, Hugo, Jose Palma, Frank Frank, Ron Lapin, Jose Lillo, and Sham Yung. "Na+-K+ Transport, Cotransport and Cell Volume of Rats Erythrocytes Submitted to Helium-Neon Laser Radiation." In LASER Optoelectronics in Medicine. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72870-9_177.

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Houssein, H. A. A., M. S. Jaafar, Z. Ali, Z. A. Timimi, and F. H. Mustafa. "Study of Hematocrit in Relation with Age and Gender Using Low Power Helium - Neon Laser Irradiation." In IFMBE Proceedings. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21729-6_117.

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Hecht, Jeff. "Epilogue." In Beam. Oxford University PressNew York, NY, 2005. http://dx.doi.org/10.1093/oso/9780195142105.003.019.

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Abstract THE YEARS THAT FOLLOWED would bring many more types of lasers, but ruby and helium–neon soon became the mainstays of laser research and applications. The two nicely complemented each other. Maiman’s elegant design made ruby simple and robust; its short, powerful pulses were valuable in research and industry. Bennett, Javan, and Herriott’s helium–neon laser was also a winner, generating a few milliwatts of light in a continuous and highly-coherent beam that was useful in a variety of research situations and alluring for communications. Helium–neon lasers took off rapidly after two othe
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"Helium–neon lasers." In Handbook of Laser Technology and Applications (Three- Volume Set). CRC Press, 2003. http://dx.doi.org/10.1201/noe0750309608-38.

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Conference papers on the topic "Helium-neon laser"

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Niculescu, Gh, S. Diaconescu, C. Babalac, C. Butunoiu, and A, Barbilian. "Treatment By Helium - Neon Laser In Arthroses." In Intl Conf on Trends in Quantum Electronics, edited by Ioan Ursu. SPIE, 1989. http://dx.doi.org/10.1117/12.950664.

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Ghosh, Sumit. "Demonstration Based Student Enrichment Workshop using a Helium-Neon Laser." In Frontiers in Optics. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.jm7a.56.

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A student enrichment workshop to elicit the possibilities of using a Helium-Neon laser light was organized. Development of laser light has led to several new applications and capabilities. To showcase this continuous progress of lasers, various laser-based experiments were demonstrated.
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Salleh, Siti Hajar Mohmad, Mohamad Suhaimi Jaafar, and Rafidah Zainon. "Flux variation of water sample using Helium Neon Laser." In 2013 IEEE Conference on Systems, Process & Control (ICSPC). IEEE, 2013. http://dx.doi.org/10.1109/spc.2013.6735138.

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Wickstead, J. P., W. D. St John, and D. B. Myers. "Modulation of a Helium-neon Laser Using Cadmium Sulphide." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.fmm4.

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Modulation of a helium-neon laser beam has been observed by exciting a CdS sample with the 514.5 nm output of an argon-ion laser. The strong absorption of this latter wavelength results in a surface effect which indicates the formation of a lens due to (i) the distortion of the front face of the sample, (ii) a transverse gradient in the index of refraction. In addition to the induced positive lens, a Fabry-Perot interferometer is recognized due to thermal expansion, yielding a temporal variation in the transmittivity of the HeNe beam. The above observations are modeled using a ray matrix metho
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Uzdensky, Anatoly B. "Helium-neon laser radiation effect on fish embryos and larvae." In OE/LASE '94, edited by R. Rox Anderson. SPIE, 1994. http://dx.doi.org/10.1117/12.184953.

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Perilloux, Bruce E. "Helium neon laser optics: scattered light measurements and process control." In San Diego, '91, San Diego, CA, edited by John C. Stover. SPIE, 1991. http://dx.doi.org/10.1117/12.50515.

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Fittinghoff, D. N., and P. R. Bolton. "Polarization Dependence of the Ionization of Helium and Neon by 120 Femtosecond Pulses at 614 nm." In Shortwavelength V: Physics with Intense Laser Pulses. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/swv.1993.fp75.

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Condon, Michael R., Frank Gump, and Wen-hsien Wu. "Helium-neon laser irradiation enhances DNA synthesis in a human neuroblastoma cell line." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Michal Schwartz and Michael Belkin. SPIE, 1993. http://dx.doi.org/10.1117/12.148015.

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Solomon, Arieh S., Avi Amir, and Vered Lavie. "Helium-neon laser irradiation attenuates anoxia-induced degeneration of rabbit retinal ganglion cells." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Michal Schwartz and Michael Belkin. SPIE, 1993. http://dx.doi.org/10.1117/12.148018.

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Zhong, Can T., Xin Z. Li, Sui T. Zhao, and Yi C. Wang. "UV laser by frequency doubling within the resonator of a helium neon laser." In Photonics China '96, edited by Sui-Sheng Mei and Keith A. Truesdell. SPIE, 1996. http://dx.doi.org/10.1117/12.253279.

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Reports on the topic "Helium-neon laser"

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Young, Bruce Kai Fong. Space and time resolved spectroscopy of laser-produced plasmas: A study of density-sensitive x-ray transitions in helium-like and neon-like ions. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/6682739.

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