Results 11 to 20 of about 1,590 (234)
Crystals, 2022 Photoresponsive photoalignable liquid crystalline polymers composed of phenyl benzoate terminated with N-benzylideneaniline were evaluated. These polymers are capable of axis-selective photoreaction, photoinduced orientation, and surface relief grating ...
Mizuho Kondo +5 more
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Optical methods for measuring the feature size of optical diffraction gratings with nano-meter accuracy and implementation of suitable feedback control loops [PDF]
EPJ Web of Conferences, 2022 Surface relief diffraction gratings offer a high flexibility in their design and thus allow to synchronize their optical performance with the specific requirements of the underlying application.
Flügel-Paul Thomas +4 more
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Direct magnetic and surface relief patterning using carbazole-based azopolymer
Фізика і хімія твердого тіла, 2023 The results on using of carbazole-based azopolymer layers (Polyepoxypropylcarbazole:Methyl Red with magnetic particles of Fe2SO4) for the recording of 1-D and 2-D surface relief gratings are presented in this report. Morphology study using AFM and MFM of
O. Paiuk +7 more
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Efficient Photo-Response of Azobenzene-based Compounds for Holographic Recording
Crystals, 2022 One of the challenges for azobenzene-based materials in fabricating rewritable surface relief gratings is the long response time in the procedure of holographic recording, making it inefficient in real-time applications.
Tzu-Chien Hsu +3 more
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Subwavelength surface-relief gratings for stellar coronagraphy [PDF]
Applied Optics, 2005 We present a new design of a phase mask coronagraph implemented with subwavelength diffractive optical elements consisting of optimized surface-relief gratings. Phase mask coronagraphy is a recent technique that seeks to accommodate both high dynamic and high angular resolution imaging of faint sources around bright astrophysical objects such as ...
Mawet, Dimitri +3 more
openaire +5 more sources
Gels, 2022 The use of surface relief structures is increasing in the field of optics. A study of photoinduced relief using dichromated gelatin films with different thickness is described in this paper.
Sergio Calixto +2 more
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Surface-Impedance Formulation for Hollow-Core Waveguides Based on Subwavelength Gratings
IEEE Access, 2022 A rigorous Surface Impedance (SI) formulation for planar waveguides is presented. This modal technique splits the modal analysis of the waveguide in two steps.
Angela Coves +4 more
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Noise minimised high resolution digital holographic microscopy applied to surface topography [PDF]
Компьютерная оптика, 2018 The topography of surface relief gratings was studied by digital holographic microscopy. The applicability of the method for quantitative measurements of surface microstructure at nanoscale was demonstrated.
Elena Achimova +5 more
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Second harmonic generation from GaAs-Au subwavelength relief gratings
Results in Physics, 2022 We study numerically the second-harmonic generation (SHG) from subwavelength GaAs relief gratings with and without Au nano-stripes on the bottom of grating troughs.
C.J. Valencia-Caicedo +2 more
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Photonics, 2021 We employ two approaches to tune the properties of concurrently inscribed volume polarization and surface relief gratings in nanocomposite thin films containing the azopolymer PAZO (poly[1-4-(3-carboxy-4-hydrophenylazo)benzensulfonamido]-1,2-ethanediyl ...
Lian Nedelchev +7 more
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