Search Results - diffraction (grating OR testing)

Design, fabrication, and testing of convex reflective diffraction gratings by Xu, Di, Owen, Joseph D., Papa, Jonathan C., Reimers, Jacob, Suleski, Thomas J., Troutman, John R., Davies, Matthew A., Thompson, Kevin P., Rolland, Jannick P.

“…The convex reflective diffraction grating is an essential optical component that lends itself to various applications…”
Get full text

In Situ Testing Method for Laser Cleaning 7075 Aluminum Alloy Based on Grating Diffraction by Shao, Jing, Zhang, Ruolan, Dong, Hao, Cao, Chengming, Sun, Shufeng

“… Here, a new method is developed based on the grating diffraction principle. Grating-like structures will be on the laser-cleaned surface as the laser cleaning parameters…”
Get full text

Transient grating spectroscopy: An ultrarapid, nondestructive materials evaluation technique by Hofmann, Felix, Short, Michael P., Dennett, Cody A.

“… This article will review how using the laser-induced transient grating spectroscopy (TGS) technique, which uses a transient diffraction grating to generate surface acoustic…”
Get full text

Nonnull interferometric testing of spherical gratings under Littrow conditions with opposite diffraction orders by Liu, Weijian, Yuan, Qun, Wang, Ruoyan, Ji, Wen, Xue, YingZe, Ma, Jun, Wang, Lingjie, Gao, Zhishan

“… Direct interferometric testing of the diffracted wavefront is convenient and implemented by tilting the spherical grating at a Littrow angle to obtain autoreflection and then results in a nonnull…”
Get more information

Time-domain Brillouin scattering assisted by diffraction gratings by Matsuda, Osamu, Pezeril, Thomas, Chaban, Ievgeniia F, Fujita, Kentaro, Goussev, Vitali

“…Absorption of ultrashort laser pulses in a metallic grating deposited on a transparent sample launches coherent compression/dilatation acoustic pulses in directions of different orders of acoustic diffraction…”
Get full text

Fiber-Bragg-Grating-Based Displacement Sensors: Review of Recent Advances by Bonopera, Marco

“…With the development of fiber optical technologies, fiber Bragg grating (FBG) sensors are frequently utilized in structural health monitoring due…”
Get full text

Remote measurement of material elastic property at elevated temperature with grating laser ultrasonic testing by Qian, Cheng, Chen, Yuhang, Pei, Cuixiang, Chen, Zhenmao

“… The design scheme of the diffraction grating is disclosed, and a CCD camera is deployed to confirm the generated grating pattern and determine the actual grating period…”
Get full text

Phase-Biased Andreev Diffraction Grating by Lykkegaard, Magnus R., Dahl, Anders Enevold, Lindemann, Tyler, Manfra, Michael J., Flensberg, Karsten, Marcus, Charles M.

“…In optical diffraction, the phase difference between sources in a grating or multislit mask is determined by the angle to the imaging screen, yielding the familiar multilobed diffraction image…”
Get full text

Laser Self-Mixing Grating Interferometer for MEMS Accelerometer Testing by Guo, Dongmei, Jiang, Haiqing, Shi, Liheng, Wang, Ming

“…A simple and robust testing system based on a laser self-mixing grating interferometer (SMGI…”
Get full text

Design and Testing of a Compact Optical Angle Sensor for Pitch Deviation Measurement of a Scale Grating with a Small Angle of Diffraction by Quan, Lue, Shimizu, Yuki, Sato, Ryo, Shin, Dong Wook, Matsukuma, Hiraku, Archenti, Andreas, Gao, Wei

“…The design and testing of different optical heads were performed to evaluate the pitch deviation of a diffraction scale grating with a small diffraction angle…”
Get full text

Reconfigurable Grating Diffraction Structural Color in Self‐Assembled Colloidal Crystals by Liu, Tianyu, Solomon, Michael J.

“… This color arises due to Bragg reflection (BR) or grating diffraction (GD); the latter mechanism is much less explored than the former…”
Get full text

Optical Fiber Diffraction Gratings by Xia, Q. K., Wang, D. N.

“…Optical fiber diffraction gratings with periodic structure across the fiber section and fabricated by femtosecond laser are proposed and demonstrated…”
Get full text

Fresnel diffraction of a Laguerre-Gaussian beam of mode (l, n = 0) by a combination of a fork-shaped grating and a lens by Topuzoski, Suzana

“…In this work, we study the Fresnel diffraction of a Laguerre-Gaussian (LG) laser beam with the azimuthal mode number $ l…”
Get full text

Polarization-modulated grating interferometer by conical diffraction by Liu, Lin, Liu, Zhaowu, Jiang, Shan, Wang, Wei, Yu, Hongzhu, Jiang, Yanxiu, Li, Wenhao

“… As an alternative, we propose a grating interferometer that produces conical diffraction. Using the grating instead of QWPs to modulate…”
Get full text

Precise characterization of diffraction grating groove patterns by Kochetkov, Anton, Shaykin, Andrey, Yakovlev, Ivan, Khazanov, Efim, Cheplakov, Aleksandr, Wang, Boyang, Jin, Yunxia, Liu, Shijie, Shao, Jianda

“…Non-equidistant and non-parallel grooves of a diffraction grating distort the diffracted wavefront…”
Get full text

Design of Semiconductor Contact Grating Terahertz Source with Enhanced Diffraction Efficiency by Tibai, Zoltán, Mbithi, Nelson M., Almási, Gábor, Fülöp, József A., Hebling, János

“…We report a semiconductor contact grating terahertz source design based on a rectangular profile for phase-matched terahertz generation in the long infrared pump wavelength range…”
Get full text

Polarization volume grating with high efficiency and large diffraction angle by Weng, Yishi, Xu, Daming, Zhang, Yuning, Li, Xiaohua, Wu, Shin-Tson

“…We propose a polarization volume grating (PVG), which exhibits nearly 100% diffraction efficiency and large diffraction angle…”
Get full text

Multi-axis diffraction gratings by Zięba, A., Hreczycho, K., Sikora, M., Chudzyńska, A., Korzec, P., Patela, S.

“…In this paper the possibility of using quasi-periodic structures as diffraction gratings was analyzed…”
Get full text

Diffraction grating with space-time modulation by Pham, Kim, Maurel, Agnès

“…We present a theoretical and numerical analysis of the diffraction of acoustic waves by space-time modulated gratings with rigid-type modulations…”
Get full text

2D Gauss Diffraction Gratings by Citrin, D. S.

“…2D diffraction gratings based on Gauss lattices are a class of nonperiodic lattice in which the sites are located at with , , and orthogonal primitive vectors in the plane, and the lattice constant…”
Get full text