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Journal articles on the topic 'Holographic film'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Arul, A. R., H. B. Ramalingam, and R. Balamurugan. "Surface deformation studies of TiO₂ thin films by double exposure laser holographic interferometry." Laser Physics 33, no. 7 (2023): 076201. http://dx.doi.org/10.1088/1555-6611/acd7d6.

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Abstract Double exposure laser holographic interferometry is implemented to investigate the surface deformation of an stainless steel (SS) 304 substrate during the deposition of titanium dioxide (TiO2) thin films on it. The TiO2 thin film is synthesized by the potentiostatic mode in the electrodeposition process. The in-situ analysis of the stress on the substrate and the thickness of the deposition is evaluated by non-destructive holographic interferometry. The holography interference fringes are computed and show that the TiO2 film thickness increases with an escalation in deposition time, b

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Zong, Zheng Yue, Neimule Menke, Bao Li Yao, Ying Li Wang, and Yi Chen. "Polarization Multiplexing, Angle Multiplexing and Circumrotation Multiplexing Holographic Recording Experiments with 3-Indoly-Benzylfulgimide/PMMA Film." Applied Mechanics and Materials 130-134 (October 2011): 2035–41. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2035.

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Fulgide is well-known as a thermally irreversible organic photochromic compound. The fulgide films can be applied as recording materials in ordinary holography and polarization holography, which were respectively based on the photochromic and photoinduced anisotropy properties. In this report, different kinds of multiplexing holographic storage, like angle multiplexing, circumrotation multiplexing and polarization multiplexing are realized in a 3-indoly-benzylfulgimide/ PMMA film for the first time, where 5 images, 18 images and 2 images are stored at the same position of the film, and diffrac

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3

Kinashi, Kenji, Isana Ozeki, Ikumi Nakanishi, Wataru Sakai, and Naoto Tsutsumi. "Holographic Performance of Azo-Carbazole Dye-Doped UP Resin Films Using a Dyeing Process." Materials 12, no. 6 (2019): 945. http://dx.doi.org/10.3390/ma12060945.

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For the practical application of dynamic holography using updatable dyed materials, optical transparency and an enlarged sample size with a uniform dispersion of the dye and no air bubbles are crucial. The holographic films were prepared by applying a dyeing method comprising application, curing, dyeing, and washing to an unsaturated polyester (UP) resin film. The unsaturated polyester (UP) resin film with high optical transparency was dyed with a 3-[(4-cyanophenyl)azo]-9H-carbazole-9-ethanol (CACzE) (azo-carbazole) dye via the surfactant, polyoxyethylene (5) docosyl ether, in an aqueous solut

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Menke, Neimule, Baoli Yao, Yingli Wang, and Yi Chen. "Polarization Holography in 3-Indoly-Benzylfulgimide/PMMA Film." Journal of Atomic, Molecular, and Optical Physics 2011 (May 23, 2011): 1–20. http://dx.doi.org/10.1155/2011/509507.

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The photochromic and photoanisotropic properties of materials can be used in ordinary and polarization holographic recording respectively. Fulgides are well known as thermally irreversible organic photochromic compounds. And it is found that there exists photoinduced anisotropy in fulgide-doped polymeric films. In this report, a 3-indoly-benzylfulgimide/PMMA film was studied as a holographic storage media. First, the spectra and dynamics of photochromic and photoanisotropic properties of the sample are measured or calculated. Second, the diffraction efficiency (DE) dynamics at 633 nm of four k

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Wang, Zhe, Vincenzo Ferraro, Biagio Mandracchia, Ernesto Di Maio, Pier Luca Maffettone, and Pietro Ferraro. "Fast and Accurate Thickness Mapping of Thin Liquid Films." EPJ Web of Conferences 215 (2019): 12002. http://dx.doi.org/10.1051/epjconf/201921512002.

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The thickness of thin liquid films is of great interest to industrial processes and life science. However, there are not appropriate quantitative experimental tools for an adequate study of film evolution in case of not-ideal conditions. Here, we show the application of a holographic system for the evaluation of the 3D topography and thickness of evolving protein films. We use a custom holographic microscope that combines quantitative phase imaging with materials engineering. This technique offers an unprecedented level of details and we anticipate that it will promote a deeper understanding o

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Podshivalov, Aleksandr, Alexandra Toropova, Maria Fokina, and Mayya Uspenskaya. "Surface Morphology Formation of Edible Holographic Marker on Potato Starch with Gelatin or Agar Thin Coatings." Polymers 12, no. 5 (2020): 1123. http://dx.doi.org/10.3390/polym12051123.

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Edible films and coatings based on biopolymers to protect and extend the shelf life of food and medicine can be functionalized, by applying a holographic marker on the coating surface for marking products or sensing storage conditions. In this work, holographic markers were prepared on the surface of thin biopolymer coatings based on starch, gelatin, agar and also starch/gelatin and starch/agar blends by the nanoimprint method from a film-forming solution. The morphology of the surface of holographic markers using optical microscopy in reflection mode was examined, as well as the reasons for i

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Habib, Khaled, K. Al-Muhanna, F. Al-Sabti, and A. Al-Arbeed. "Measurement of Aluminium Oxide-Film Thickness: Barrier Oxide Film and Oxide Porous Layer." Defect and Diffusion Forum 273-276 (February 2008): 283–93. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.283.

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In the present investigation, holographic interferometry was utilized for the first time to measure in situ the thickness of the oxide film, alternating current (A.C.) impedance, and double layer capacitance of aluminium samples during anodization processes in aqueous solution without any physical contact. The anodization process (oxidation) of the aluminium samples was carried out by the electrochemical impedance spectroscopy (EIS), in different concentrations of sulphuric acid (0.5-2.5 % H2SO4) at room temperature. In the mean time, the real-time holographic interferometric was used to measu

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8

Kim, Jeonghun, Bhimrao D. Sarwade, Hyunjin Oh, Eunkyoung Kim, and Sang-Goo Lee. "3D Image Recording on Photopolymer Films Containing Molecular Composites of a New s-Triazine Monomer and Acrylate Monomer by Dual Photopolymerization." Journal of Nanoscience and Nanotechnology 8, no. 9 (2008): 4702–6. http://dx.doi.org/10.1166/jnn.2008.ic77.

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Three dimensional (3D) image recording on photopolymer film was explored using a mixture of s-triazine diepoxy (SEP) and ethylene glycol phenyl ether acrylate (PA) as a monomer to induce cationic and radical polymerization during the holographic recording. The photopolymer films were sensitive to a visible light source and polymerized upon excitation with a visible laser. 3D image was recorded on the photopolymer film by holographic recording using a 491 nm laser. The film containing a molecular composite of SEP and PA showed high diffraction efficiency via dual photo polymerization. Within 10

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9

Borisov, Vladimir N., Nikolay V. Muravyev, Mikhail V. Popov, et al. "Chalcogenide Thin Films—Holographic Media for Augmented Reality Devices." Applied Sciences 12, no. 4 (2022): 1934. http://dx.doi.org/10.3390/app12041934.

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Holographic characteristics of chalcogenide film materials with a typical thickness of 0.5–1.5 µm of a number of Ge-S and As-S compositions have been studied theoretically and experimentally with the aim of using them in augmented reality waveguide devices. The possibility of controlling the spectral and holographic properties of materials by varying their composition is shown. The recording of both volume and surface holographic elements operating in the total internal reflection mode was carried out. The operation of holograms in the “periscope mode” with a diffraction efficiency of about 10

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Gao, Hongyue, Suna Li, Jicheng Liu, et al. "Investigation on dynamic holographic display in liquid crystal film doped with carbon dots." Materials Express 10, no. 6 (2020): 780–87. http://dx.doi.org/10.1166/mex.2020.1743.

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In this paper, we studied the holographic properties of liquid crystal (LC) thin film doped with carbon dots (CDs) which can be used as real-time holographic display screen. The maximum value of diffraction efficiency can reach up to 30% by using a low applied electric field 0.2 V/μm. Holograms in the LC film can be dynamically formed and self-erased. The hologram build-up time and the hologram self-erasure time in the material is fast enough to realize video refresh rate. In addition, the forming process of hologram was studied. The holographic diffraction efficiency was measured depending on

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Park, Ji Young, and Eunkyoung Kim. "Preparation and Characterization of Organic-Inorganic Nanocomposite Films for Holographic Recording." Key Engineering Materials 277-279 (January 2005): 1039–43. http://dx.doi.org/10.4028/www.scientific.net/kem.277-279.1039.

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The photopolymerization of aromatic methacrylate in organic-inorganic nanocomposite films for holographic recording media was investigated. Thick photopolymer films (thickness>200 µm) were prepared using organic-inorganic hybrid solutions containing high refractive index monomers, through the sol-gel process. These photopolymer films were polymerized upon exposure to a visible light with high photo conversions. The photopolymerization was highly effective under visible light irradiation and could be applied to a holographic medium with high diffraction efficiency (>95 %) by using a 532nm

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Kakunai, S., H. Hayashihara, T. Sakamoto, and H. Matsuda. "In Situ Measurement of Internal Stress in Electroless Plating by Television Holographic Interferometry." Applied Mechanics and Materials 3-4 (August 2006): 65–70. http://dx.doi.org/10.4028/www.scientific.net/amm.3-4.65.

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Electroless plating can uniformly plate a material on irregular and non-conducting surfaces. Consequently, it has been utilized widely for printed circuit boards in the electronics industry. During the plating process, internal stress is frequently incorporated into the film and this often results in detachment from the substrate. In order to investigate the origins of stress in the films, measurements of film stress are required during the early stages of growth. In this study, TV holography, which can capture holographic images at TV frame rates, was used to sensitively measure the deflectio

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A.M. Nastas, M.S. Iovu, A.M. Prisacar, et al. "Influence of the corona discharge on the formation of the diffractive holographic gratings in the As-=SUB=-40-=/SUB=-S-=SUB=-60-x-=/SUB=-Se-=SUB=-x-=/SUB=- films." Technical Physics 68, no. 5 (2023): 651. http://dx.doi.org/10.21883/tp.2023.05.56072.285-22.

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The influence of the corona discharge on the holographic recording and the subsequence chemical etching of the recording holographic gratings in the Cr/As40S60-xSex thin film structures was investigated. It was established that applied of the positive corona discharge leads to the increase of the holographic sensitivity during the recording in the As-S-Se films, as well as to the amplification of the diffraction efficiency of the recording gratings and of the relief-phase diffractive gratings obtaining in the result of the consecutive chemical etching. Among the investigated films of the As40S

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Настас, А. М., М. С. Иову, А. М. Присакар та ін. "Влияние поля коронного разряда на формирование голографических дифракционных решеток в пленках As-=SUB=-40-=/SUB=-S-=SUB=-60-x-=/SUB=-Se-=SUB=-x-=/SUB=-". Журнал технической физики 93, № 5 (2023): 696. http://dx.doi.org/10.21883/jtf.2023.05.55465.285-22.

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The influence of the corona discharge on the holographic recording and the subsequence chemical etching of the recording holographic gratings in the Cr/As40S60-xSex thin film structures was investigated. It was established that applied of the positive corona discharge leads to the increase of the holographic sensitivity during the recording in the As-S-Se films, as well as to the amplification of the diffraction efficiency of the recording gratings and of the relief-phase diffractive gratings obtaining in the result of the consecutive chemical etching. Among the investigated films of the As40S

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15

Kostyukevych, S. O. "The new approach to identification of film reflecting holographic marks." Semiconductor Physics Quantum Electronics and Optoelectronics 14, no. 3 (2011): 350–56. http://dx.doi.org/10.15407/spqeo14.03.350.

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16

Chan, Shihchien. "The Influence of Reflective Screen Color and Surface Film Treatment for Single-Sided Holographic Projection on Imaging Quality." Journal of Engineering and Applied Sciences 11, no. 2 (2024): 1. https://doi.org/10.5455/jeas.2024021101.

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This study explored the effects of reflective screen material color and film treatment in holographic projection on image quality. Employing an experimental approach, algorithmic analysis of images captured after projection was conducted to examine image quality. Image analysis was performed using OpenCV software, focusing on quantifying values of average color (RGB), contrast, sharpness, and saturation. The results revealed that changes in the reflective screen material color led to a decrease in average RGB values, by approximately 50%, compared with the transparent colorless screen. A light

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17

Hobson, P. R., D. C. Imrie, and G. J. Lush. "The holographic film scanning machine “Chimaera”." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 239, no. 2 (1985): 155–59. http://dx.doi.org/10.1016/0168-9002(85)90711-9.

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18

Chou, Chia-Man, Tong-You Wade Wei, Jou-May Maureen Chen, Wei-Ting Chang, Chang-Tze Ricky Yu, and Vincent K. S. Hsiao. "Preparation of Nanoporous Polymer Films for Real-Time Viability Monitoring of Cells." Journal of Nanomaterials 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/436528.

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We have demonstrated an alternative way to monitor the viability of cells adhered on a nanoporous polymer film in real time. The nanoporous polymer films were prepared by laser interference pattering. During exposure of holographic patterning, the dissolved solvents were phase separated with photocured polymer and the nanopores were created as the solvents evaporated. The diffracted spectra from the nanoporous polymer film responded to each activity of the cell cycle, from initial cell seeding, through growth, and eventual cell death. This cell-based biosensor uses a nanoporous polymer film to

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19

Chuang, Wei Ching, Ching Kong Chao, Wen Chung Chang, and Chi Ting Ho. "Fabrication of High Aspect Ratio Periodical Structure on Metal Using an Electroforming Process." Key Engineering Materials 364-366 (December 2007): 280–83. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.280.

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A procedure for fabricating a periodic structure on a metal at submicron order using holographic interferometry and molding processes is described. First, holographic interference using a He-Cd (325nm) laser is used to create the master of the periodic line structure on an i-line sub-micron positive photoresist film. A 200nm nickel thin film is then sputtered onto the positive photoresist. Pattern is then transferred to a metal using Nickel-Cobalt electroforming. Initial results show the technique can accurately control the grating’s period and depth.

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Настас, А. М., М. С. Иову та А. Л. Толстик. "Влияние коронного разряда на оптические свойства тонкопленочных структур Cu-As-=SUB=-2-=/SUB=-Se-=SUB=-3-=/SUB=-". Журнал технической физики 128, № 2 (2020): 236. http://dx.doi.org/10.21883/os.2020.02.48967.283-19.

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Effect of corona discharge on holographic recording of diffraction gratings in Cu-As2Se3 thin film structure was studied. Thin film structures of Cu-As2Se3 were prepared on glass substrates by sequential deposition of Cu and As2Se3 layers using vacuum thermal evaporation technique. Applying of negative corona discharge during recording procedure caused an enhancing both of the holographic sensitivity and diffraction efficiency of the grating. Exposure to actinic light illumination resulted in photodarkening effect in Cu-As2Se3 thin film structure in the spectrum region of strong absorption. At

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OMORI, S., T. KOZAKAI, and Y. NIHEI. "EPITAXIAL GROWTH OF SrF2 ON Ge(111)-c(2×8) AS STUDIED BY PHOTOELECTRON DIFFRACTION AND HOLOGRAPHY." Surface Review and Letters 06, no. 06 (1999): 1085–89. http://dx.doi.org/10.1142/s0218625x99001190.

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We have investigated the photoelectron diffraction (PED) from a SrF 2 epitaxial thin film on Ge(111) from the viewpoint of holographic inversion for imaging the atomic structure. The holographic interference fringes were retrieved from the PED pattern including a wide variety of diffraction features via averaging the pattern around each forward-scattering peak. Furthermore, another method for enhancing holographic fringes by subtracting one photoelectron hologram from another at slightly different kinetic energies was theoretically investigated.

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Yingli Wang, Yingli Wang, Baoli Yao Baoli Yao, Neimule Menke Neimule Menke, Yi Chen Yi Chen, and Meigong Fan Meigong Fan. "Optical image operation based on holographic polarization multiplexing of fulgide film." Chinese Optics Letters 9, s1 (2011): s10302–310304. http://dx.doi.org/10.3788/col201109.s10302.

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Wang, Li Qin, Shou Zhi Pu, Liu Shui Yan, and Shi Qiang Cui. "Synthesis, Properties and Optical Recording of a Novel Unsymmetrical Photochromic Diarylethene." Advanced Materials Research 327 (September 2011): 57–60. http://dx.doi.org/10.4028/www.scientific.net/amr.327.57.

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A new unsymmetrical photochromic diarylethene, 1-(2-methyl -3-benzothienyl)-2-(2-nbutyl-5-methylol-3-thienyl)perfluoroncyclopentene (1a), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films and fluorescences were investigated. Using diarylethene 1b/PMMA film as recording medium and a linearly polarized 633 nm laser diode for recording and readout, polarization multiplexed image recording can be carried out in this film, which illustrated that the diarylethene can be potentially used as holographic opt

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Miura, Sakiko, and Satoshi Kobayashi. "New multicolor and rewritable holographic polymer film for three-dimensional holographic display." Journal of the Society for Information Display 22, no. 12 (2014): 597–602. http://dx.doi.org/10.1002/jsid.262.

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Wang, Li Qin, Shou Zhi Pu, and Wei Jun Liu. "Synthesis, Photochromism and Holographic Optical Recording of a Photochromic Diarylethene with a Chlorine Atom." Advanced Materials Research 239-242 (May 2011): 2444–47. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.2444.

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A new unsymmetrical photochromic diarylethene 1-(2-methyl-benzothiophenyl)- 2-(2-methyl-5-(2-chlorophenyl))perfluoroncyclopentene (1a), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films, fluorescences and the fluorescence spectra of diarylethene 1a depended on the concentration were investigated. Using diarylethene 1/PMMA film as recording medium and a linearly polarized 633 nm laser diode for recording and readout, polarization multiplexed image recording can be carried out in this film, which illu

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Gerbreders, A., and J. Teteris. "Formation of Direct Surface Relief in Photochrome-Chalcogenide Composites." Latvian Journal of Physics and Technical Sciences 47, no. 2 (2010): 49–59. http://dx.doi.org/10.2478/v10047-010-0007-0.

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Formation of Direct Surface Relief in Photochrome-Chalcogenide CompositesA method for preparation of thin triple composite films of organic polymer-chalcogenide-photochromes is described, the photo-induced changes of optical properties and holographic recording are considered. The films were obtained from solutions of arsenic sulphide, azobenzene Disperse Red 1, spiropyran, and organic polymers in organic solvents. The solutions were spread over glass or quartz substrates; the thickness of dry films was 3-10 μm. The absorption spectra of the prepared films were studied and analyzed. The hologr

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Yan, Pei Jian, Zhi Peng Tong, Shou Zhi Pu, and Wei Jun Liu. "A New Unsymmetrical Diarylethene for Reversible Holographic Recording." Advanced Materials Research 156-157 (October 2010): 655–59. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.655.

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A novel photochromic diarylethene, 1-(2-ethyl-benzothiophen-3-yl)-2-(2-methyl-5-(2-cyanophenyl)thien-3-yl)perfluorocyclopentene(1o) was synthesized, and its photochromic and fluorescent properties were investigated. This compound exhibited reversible photochromism, changing from colorless to purle after irradiation with UV light both in solution and in poly-methyl methacrylate (PMMA) amorphous film. Also, it exhibited remarkable fluorescence switching in the solid state. When we used diarylethene 1c/PMMA film as recording medium, rewritable holographic optical storage was performed successfull

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Sungjin, Sungjin. "A Holographic Manifesto." JAHR 15, no. 2 (2024): 559–69. https://doi.org/10.21860/j.15.2.14.

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Unlike critics’ understanding of Denis Villeneuve’s Blade Runner 2049 as a misogynistic movie, this paper argues that the film tries to destroy male-centered gender stereotypes through Joi’s subversive performance acts. Joi goes against the traditional passive and powerless female stereotype by escaping the domestic field and welcoming her freedom. Joi no longer remains a sexual object of the male gaze. Instead, she turns this male-female relationship upside down by making K the sexual object for her own pleasure. Joi even does not hesitate to risk her own death to go beyond her pre-designed p

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He, Shang Hua, Gang Liu, and Shi Qiang Cui. "Synthesis and Application of a New Diarylethene with Composite Properties for Polarization Holographic Recording." Advanced Materials Research 583 (October 2012): 113–16. http://dx.doi.org/10.4028/www.scientific.net/amr.583.113.

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A new unsymmetrical photochromic diarylethene bearing a benfuran and a thiophene aryl unit 1-(2-methyl-3-benfuran)-2-{2-methyl-5-[2-(1,3-dioxolane)]-3-thienyl}perfluorocyclopentene (1o) has been synthesized. It’s optoelectronic properties, such as photochromism in solution as well as in polymethylmethacrylate(PMMA) amorphous films, fluorescence and photon-mode polarization multiplexing holographic recording were investigated. Diarylethene 1o changed the color from colorless to red upon irradiation with 313 nm UV light, in which absorption maxima were observed at 509 nm in hexane and at 520 nm

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Liu, Wei Jun, Hai Bo Wang, and Shou Zhi Pu. "Synthesis, Properties and Application of a Photochromic Diarylethene with a Dithiolane Unit." Advanced Materials Research 602-604 (December 2012): 900–903. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.900.

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A new unsymmetrical photochromic diarylethene 1-(2-methyl-benzofuran-3-yl)-2-(2-n-butyl-5-(1,3-dithiolane)-thiophene-3-yl) perfluoroncyclopentene (1o), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films, and the fluorescence spectra of diarylethene 1a was investigated. Using diarylethene 1c/PMMA film as recording medium and a linearly polarized 633 nm laser diode for recording and readout, polarization multiplexed image recording can be carried out in this film, which illustrated that the diarylethen

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Sharlandjiev, P., and T. Todorov. "Holographic mirrors ? a thin-film optics approach." Optical and Quantum Electronics 17, no. 6 (1985): 443–48. http://dx.doi.org/10.1007/bf00619571.

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Wang, Li Qin, Shou Zhi Pu, and Liu Shui Yan. "Synthesis of a Novel Photochromic Diarylethene for Polarization Multiplexing Holographic Recording." Advanced Materials Research 393-395 (November 2011): 1518–21. http://dx.doi.org/10.4028/www.scientific.net/amr.393-395.1518.

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A new unsymmetrical photochromic diarylethene 1-(2,5-dimethylthiophene-3-yl)-2-[(2-n-butyl-5-formyl)thiophene-3-yl]perfluoroncyclopentene(1a), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films, and the fluorescence spectra of diarylethene 1a was investigated. The photochromic reaction kinetics indicated that the cyclization process of 1a belongs to the zeroth order reaction and the cycloreversion process belongs to the first order reaction. Using diarylethene 1/PMMA film as recording medium and a li

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Kamarulzaman, Norlida, and Nurhanna Badar. "Pulsed LASER Deposition of MgO Thin Films." Advanced Materials Research 545 (July 2012): 38–42. http://dx.doi.org/10.4028/www.scientific.net/amr.545.38.

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MgO thin films were deposited by Pulsed Laser deposition using different process parameter. The characteristics were investigated via X-Ray diffraction (XRD), Scanning Electron Microscope (SEM) and Digital Holographic Microscope (DHM). It is found that the thin film surface morphology and thickness are different. It was found that the different process parameters such as chamber gas pressure, substrate temperature, LASER energy and number of pulses greatly influence the characteristics of the thin films obtained. The thin films have very low thicknesses of 97, 187 and 193 nm.

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Sun, H., P. W. Benzie, N. Burns, D. C. Hendry, M. A. Player, and J. Watson. "Underwater digital holography for studies of marine plankton." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 366, no. 1871 (2008): 1789–806. http://dx.doi.org/10.1098/rsta.2007.2187.

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Conventional and digital holographies are proving to be increasingly important for studies of marine zooplankton and other underwater biological applications. This paper reports on the use of a subsea digital holographic camera (eHoloCam) for the analysis and identification of marine organisms and other subsea particles. Unlike recording on a photographic film, a digital hologram (e-hologram) is recorded on an electronic sensor and reconstructed numerically in a computer by simulating the propagation of the optical field in space. By comparison with other imaging techniques, an e-hologram has

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Augustovs, Peteris, Andris Ozols, Elmars Zarins, and Valdis Kokars. "Holographic Photosensitivity Intensity Dependence of Azobenzene Molecular and Chalcogenide Glassy Films." Advanced Materials Research 1117 (July 2015): 90–93. http://dx.doi.org/10.4028/www.scientific.net/amr.1117.90.

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Photosensitivity light intensity dependence of holographic grating recording in three azobenzene molecular glassy films (denoted as WE-3, ZWK-3, ZWK-2TB) and in one chalcogenide glassy film As40S15Se45(As-S-Se) has been experimentally studied in the intensity range from 0.0034 to 1.13 W/cm2at 633 nm. It is found that photosensitivity increases when recording light intensity is increased. The physical reasons are discussed and a simple mathematical model is given explaining the obtained results.

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Frese, Daniel, Basudeb Sain, Hongqiang Zhou, Yongtian Wang, Lingling Huang, and Thomas Zentgraf. "A wavelength and polarization selective photon sieve for holographic applications." Nanophotonics 10, no. 18 (2021): 4543–50. http://dx.doi.org/10.1515/nanoph-2021-0440.

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Abstract Optical metasurfaces are perfect candidates for the phase and amplitude modulation of light, featuring an excellent basis for holographic applications. In this work, we present a dual amplitude holographic scheme based on the photon sieve principle, which is then combined with a phase hologram by utilizing the Pancharatnam–Berry phase. We demonstrate that two types of apertures, rectangular and square shapes in a gold film filled with silicon nanoantennas are sufficient to create two amplitude holograms at two different wavelengths in the visible, multiplexed with an additional phase-

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Wang, Li Qin, Shou Zhi Pu, Liu Shui Yan, and Shi Qiang Cui. "Efficient Synthesis, Photochromism and Holographic Optical Recording of a Photochromic Diarylethene with a Isoxazole Unit." Advanced Materials Research 295-297 (July 2011): 1042–45. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1042.

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A new unsymmetrical photochromic diarylethene 1-(2,5-dimethylisoxazolyl)-2-[(2-n-butyl-5-formylthiophenyl)] perfluoroncyclopentene (1a), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films, and the fluorescence spectra of diarylethene 1a was investigated. The photochromic reaction kinetics indicated that the cyclization process of 1a belongs to the zeroth order reaction and the cycloreversion process belongs to the first order reaction.Using diarylethene 1/PMMA film as recording medium and a linearly

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Kirpichnikova, Irina, Ilkhom Makhsumov, Zhenis Madiyar, Ilkhom Abdulloev, Khurshedshoh Boboev, and Parviz Shohnazarov. "Study of the Operation of Solar Modules Using Holographic Thermal Protection." E3S Web of Conferences 140 (2019): 11010. http://dx.doi.org/10.1051/e3sconf/201914011010.

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This paper explores the problem of overheating of solar modules as a result of exposure to sunlight. An increase in temperature above the standard leads to the degradation of solar modules and their premature decommissioning. Cooling the working surface is a key factor that must be considered in order to achieve higher efficiency in the operation of solar photovoltaic systems. Based on the considered methods of cooling and removing excess heat from the surfaces of the modules, an inexpensive and technologically advanced method for protecting solar modules from overheating using holographic fil

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Wang, Li Qin, Shou Zhi Pu, Liu Shui Yan, and Wei Jun Liu. "Synthesis and Properties of an Unsymmetrical Diarylethene Bearing a Chlorine Atom." Key Engineering Materials 474-476 (April 2011): 1557–60. http://dx.doi.org/10.4028/www.scientific.net/kem.474-476.1557.

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A new unsymmetrical photochromic diarylethene 1-(2-methyl-benzothiophenyl)- 2-(2-methyl-5-(4-chlorophenyl))perfluoroncyclopentene (1a), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films and fluorescences were investigated. The photochromic reaction kinetics indicated that the cyclization process of 1a belongs to the zeroth order reaction and the cycloreversion process belongs to the first order reaction. Using diarylethene 1/PMMA film as recording medium and a linearly polarized 633 nm laser diode f

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Genbach, Alexander, Karlygash Оlzhabaeva, and Iliya Iliev. "Boiling process in oil coolers on porous elements." Thermal Science 20, no. 5 (2016): 1777–89. http://dx.doi.org/10.2298/tsci150602166g.

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Holography and high-speed filming were used to reveal movements and deformations of the capillary and porous material, allowing to calculate thermo-hydraulic characteristics of boiling liquid in the porous structures. These porous structures work at the joint action of capillary and mass forces, which are generalised in the form of dependences used in the calculation for oil coolers in thermal power plants (TPP). Furthermore, the mechanism of the boiling process in porous structures in the field of mass forces is explained. The development process of water steam formation in the mesh porous st

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YAN Su, 阎肃, 门克内木乐 MENKE Neimule, 宁安琪 NING An-qi, and HAMPP Norbert HAMPP Norbert. "Collinear Holographic Image Storage with BR-D96N Film." ACTA PHOTONICA SINICA 39, no. 10 (2010): 1816–19. http://dx.doi.org/10.3788/gzxb20103910.1816.

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Wood, Simon M., Themistoklis K. Mavrogordatos, Stephen M. Morris, et al. "Adaptive holographic pumping of thin-film organic lasers." Optics Letters 38, no. 21 (2013): 4483. http://dx.doi.org/10.1364/ol.38.004483.

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Park, Jeong-Il, Jung-Tae Lee, Choel-Ho Yeo, Young-Jong Lee, Jong-Bin Kim, and Hong-Bay Chung. "Polarization Dependence of Holographic Grating in Chalcogenide Film." Japanese Journal of Applied Physics 42, Part 1, No. 8 (2003): 5090–93. http://dx.doi.org/10.1143/jjap.42.5090.

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Itoh, Masahide, Kenji Harada, Shun-ichi Kamemaru, and Toyohiko Yatagai. "Holographic Recording on Azo-benzene Functionalized Polymer Film." Japanese Journal of Applied Physics 43, no. 7B (2004): 4968–71. http://dx.doi.org/10.1143/jjap.43.4968.

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Zhang, Yu-He, Robert R. Birge, Q. Wang Song, and Costas Tseronis. "Real-time holographic imaging with a bacteriorhodopsin film." Optics Letters 20, no. 23 (1995): 2429. http://dx.doi.org/10.1364/ol.20.002429.

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Pârvulescu, Cătălin, Veronica Anăstăsoaie, Roxana Tomescu, Martino Aldrigo, and Dana Cristea. "Multilayer Smart Holographic Label with Integrated RFID for Product Security and Monitoring." Micromachines 14, no. 3 (2023): 692. http://dx.doi.org/10.3390/mi14030692.

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Counterfeiting presents a major economic problem and an important risk for the public health and safety of individuals and countries. To make the counterfeiting process more difficult, and to ensure efficient authentication, a solution would be to attach anti-counterfeit labels that include a radio frequency identification (RFID) element to the products. This can allow real-time quality check along the entire supply chain. In this paper we present the technology optimized to obtain a multilayer holographic label with a high degree of security, patterned on a thin zinc sulfide film of a semi-tr

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Worsley, Graham J., Guilhem A. Tourniaire, Kathryn E. S. Medlock, et al. "Continuous Blood Glucose Monitoring with a Thin-Film Optical Sensor." Clinical Chemistry 53, no. 10 (2007): 1820–26. http://dx.doi.org/10.1373/clinchem.2007.091629.

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Abstract Background: We recently described a holographic optical sensor with improved selectivity for glucose over fructose that was based on a thin-film polymer hydrogel containing phenylboronic acid receptors. The aim of the present work was to measure glucose in human blood plasma as opposed to simple buffers and track changes in concentration at a rate mimicking glucose changes in vivo. Methods: We used holographic sensors containing acrylamide, N,N′-methylenebisacrylamide, 3-acrylamidophenylboronic acid, and (3-acrylamidopropyl)trimethylammonium chloride to measure 7 human blood plasma sa

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Aleksejeva, Jelena, Mara Reinfelde, and Janis Teteris. "Direct surface relief pattering of azo-polymers films via holographic recording." Canadian Journal of Physics 92, no. 7/8 (2014): 842–44. http://dx.doi.org/10.1139/cjp-2013-0598.

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In this work surface relief direct formation during holographic recording in poly (Disperse Red 1 – methacrylate) films was studied. In this material azo-dye Disperse Red 1 is covalently attached to the main polymeric chain making lateral mass transport in the film caused by a presence of light electric field direction modulation very fast and effective. Surface relief grating formation process was induced by 532 nm laser. Read-out was performed by 660 nm diode laser. Diffraction efficiencies kinetics dependence on polarization state of reading and recording beams was studied. Surface relief d

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Leppe-Nerey, J. R., F. Z. Sierra-Espinosa, M. E. Nicho, M. A. Basurto, and J. A. Rodríguez. "Fabrication of PVDF/PMMA Polymer for Sustainable Energy Harvesting." Journal of Solar Energy Research Updates 10 (November 28, 2023): 66–79. http://dx.doi.org/10.31875/2410-2199.2023.10.07.

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Abstract: The synthesis of blends that combine properties of two or more polymeric materials is increasingly investigated due to the versatility of the synthesis and its growing potential for many applications, including sustainability. Their characteristics are defined mainly by the synthesis conditions. Therefore, this paper details the synthesis process of easy-to-handle films using mixing method. The procedures and drawbacks found during the preparation of composite films are described. Polymeric compounds formed by the mixture of polyvinylidene fluoride (PVDF) and polymethyl methacrylate

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Matsuda, T., S. Hasegawa, J. Endo, N. Osakabe, A. Tonomura, and R. Aoki. "Observation of Single Magnetic-Flux Quanta Using Electron Holography." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 1 (1990): 210–11. http://dx.doi.org/10.1017/s0424820100179804.

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A Magnetic flux quantum (fluxon) penetrating a superconductor plays an important role in both fundamental and practical applications of superconductivity. However, the fluxon has evaded direct observation, because it is shaped like an extremely thin filament in addition to its small flux value, h/2e (=2x10−15Wb). Several methods have already been developed to indirectly observe each filament of flux. One method is Bitter's [1], in which magnetic powder is sprinkled on the superconductor surface. The powder accumulates at the fluxons, and the image is observed by electron microscopy.We have obs

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