Results 231 to 240 of about 560,854 (291)

Facile, etch-free atomic layer-coated resist templates for rapid prototyping of efficient visible metasurfaces. [PDF]

Microsyst Nanoeng
Seong J, Jeon Y, Lee S, Kim J, Kim S, Jeon C, Ryu YS, An J, Rho J.   +8 more
europepmc   +1 more source

Simplified aluminum nitride processing for low-loss integrated photonics and nonlinear optics. [PDF]

Npj Nanophoton
Yan H, Zhang S, Pal A, Ghosh A, Alabbadi A, Kheyri M, Bi T, Zhang Y, Harder I, Ohletz O, Gannott F, Gumann A, Butzen E, Ludwig K, Del'Haye P.   +14 more
europepmc   +1 more source

Real-time identification and quantification of apple scab on fruit in preharvest and postharvest conditions using YOLO11: a deep learning approach. [PDF]

Plant Methods
Leiva F, Rebeaud SG, Christen D.
europepmc   +1 more source

Comparison of Mask-Wearing Behavior on Social Media and Its Relationship With Demographic Characteristics During the COVID-19 Pandemic: Social Media Data Analysis Between the United States and Japan.

JMIR Hum Factors
Ferawati K, She WJ, Wakamiya S, Aramaki E.   +3 more
europepmc   +1 more source

High-Resolution Diffusion-Weighted Imaging With Self-Gated Self-Supervised Unrolled Reconstruction. [PDF]

Magn Reson Med
Tan Z, Liebig PA, Hofmann A, Laun FB, Knoll F.   +4 more
europepmc   +1 more source

Impact of Phase Defects on the Aerial Image in High NA Extreme Ultraviolet Lithography. [PDF]

Micromachines (Basel)
He K, Zeng Z.
europepmc   +1 more source

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Photorefractive phase mask

SPIE Proceedings, 2001
We propose and demonstrate a new method to fabricate volume phase mask in LiNbO 3 :Fe crystal by photorefractive effect, for the first time to our knowledge. First, we image an amplitude mask with corresponding intensity distribution at the incident face of a photorefractive LiNbO 3 :Fe crystal.
Haidong Wen, Simin Liu, Xinzheng Zhang, Ru Guo, Guoquan Zhang, Qian Sun, Jingjun Xu, Guangyin Zhang   +7 more
openaire   +1 more source

White-light photorefractive phase mask

Applied Optics, 2005
A volume photorefractive phase mask has been fabricated with incoherent white light from an incandescent source in LiNbO3:Fe self-defocusing photorefractive crystal for the first time, to our knowledge. It can guide and modulate a probe white light or a laser beam and can be used to transmit an incoherent dark image as the guided modes of the ...
Yuanmei, Gao, Simin, Liu, Ru, Guo, Xiaohua, Zhang, Yi, Lu   +4 more
openaire   +2 more sources

Interferometric characterization of phase masks

Applied Optics, 2003
We demonstrate a novel interferometric technique for highly accurate characterization of phase masks used in optical fiber grating fabrication. The principle of the measurement scheme is based on the analysis of the interference pattern formed between the first- and zero-order beams transmitted through or reflected from the grating under test.
Mikhail, Sumetsky, Yury, Dulashko, Tom P, White, Tim, Olsen, Paul S, Westbrook, Benjamin J, Eggleton   +5 more
openaire   +2 more sources