Results 201 to 210 of about 6,396 (238)
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The antireflective potential of dropwise condensation
Journal of the Optical Society of America A, 2014The transmissivity of fogged glass to visible light incident on the dry side is studied with ray tracing to show that condensation can act as an optically thick antireflective coating. A new simulation method is described that uses symmetry relations and analytical expressions for the intersection of rays and surfaces to include all drop-drop and drop ...
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Antireflective MoSi photomasks
Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, 1992Antireflective MoSi (AR-MoSi) photomasks which are produced by applying a thin layer of MoSi oxide directly over the conventional MoSi layer on a quartz substrate has been developed. The thin layer of MoSi oxide is deposited using magnetron dc sputtering. The reflectivity and optical density of the thin layer are not affected by H2SO4 at 120 °C.
Akira Chiba +2 more
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Porous fluoride antireflective coatings
Applied Optics, 1988Quarterwave antireflective coatings of CaF(2) and MgF(2) have been prepared on fused silica and calcium fluoride substrates from colloidal suspensions of the relevant fluorides in methanol. These coatings have high optical efficiency and laser damage thresholds at 350 nm in the 6-8-J/cm(2) range for single shots of 0.6-ns pulse length and 20-25 J/cm(2)
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Antireflective nanostructured microlenses
Microelectronic Engineering, 2008Herein, a study of combining refractive microlenses arrays and nanostructured antireflective surfaces is presented. Fabrication method is surveyed for obtaining the hybrid surface with functionalities of refractive and antireflective (high-transmissive) element.
Birgit Päivänranta +5 more
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Advanced Materials, 2011
Based on conventional colloidal nanosphere lithography, we experimentally demonstrate novel graded-index nanostructures for broadband optical antireflection enhancement including the near-ultraviolet (NUV) region by integrating residual polystyrene antireflective (AR) nanoislands coating arrays with silicon nano-conical-frustum arrays.
Haesung, Park +5 more
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Based on conventional colloidal nanosphere lithography, we experimentally demonstrate novel graded-index nanostructures for broadband optical antireflection enhancement including the near-ultraviolet (NUV) region by integrating residual polystyrene antireflective (AR) nanoislands coating arrays with silicon nano-conical-frustum arrays.
Haesung, Park +5 more
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Antireflective grating in the resonance domain for displays
Applied Optics, 2007An antireflective periodic structure different from the moth-eye structure is proposed in a resonance domain whose period is greater than the wavelength of incident light. Using rigorous coupled-wave analysis in the TE mode, a reflectivity of less than 0.2% is performed in a period larger than the wavelength, when an aspect ratio is unity.
Testuya, Hoshino +2 more
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Antireflective properties of pyramidally textured surfaces
Optics Letters, 2010Antireflective properties of pyramidally textured surfaces at normal light incidence are studied by the finite-difference time-domain (FDTD) method. Optimal parameters for the period of the texture and the pyramid height are found. The asymptotic behavior of the reflection coefficient with an increasing height-to-base size ratio for the pyramids is ...
Alexei, Deinega +3 more
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Reflections on antireflection films.
Journal of the American Optometric Association, 1997The development of antireflection films 50 years ago was based on interference of light waves. Antireflection films have broad ophthalmic applications by increasing transmittance and decreasing reflection as a function of wavelength and polarization.
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High-low refractive index stacks for broadband antireflection coatings for multijunction solar cells
Solar Energy, 2021Guojiao Hou +2 more
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