Results 111 to 120 of about 247,892 (261)

A Review: Laser Interference Lithography for Diffraction Gratings and Their Applications in Encoders and Spectrometers

Sensors
The unique diffractive properties of gratings have made them essential in a wide range of applications, including spectral analysis, precision measurement, optical data storage, laser technology, and biomedical imaging.
Linbin Luo, Shuonan Shan, Xinghui Li
doaj   +1 more source

Grateful thanks [PDF]

British Dental Journal, 2019
openaire   +2 more sources

Nanosecond Laser Damage Morphology in Silica Gratings: A Thermal Stress Analysis

IEEE Access
The laser-irradiated grating exhibits a unique damage morphology, and its surface geometry and period distribution significantly affect the laser-induced damage threshold (LIDT). Understanding the formation mechanism of this damage morphology can help in
Yuan Li, Guoliang Yang, Junhong Su
doaj   +1 more source

Polarization camera based fringe locking system for scanning beam interference lithography

Journal of the European Optical Society-Rapid Publications
A fringe displacement during the exposure process in scanning beam interference lithography (SBIL) systems leads to wavefront errors in linear gratings.
Treptow Kevin, Rühle Josias, Wu Hansen, Pruß Christof, Ortlepp Ingo, Schober Christian, Haist Tobias, Sawodny Oliver, Manske Eberhard, Kissinger Thomas, Reichelt Stephan   +10 more
doaj   +1 more source

Flexible calibration and alignment tool for scanning beam interference lithography systems based on aerial imaging

Journal of the European Optical Society-Rapid Publications
Calibration and alignment of scanning beam interference lithography (SBIL) systems remain major challenges due to the high sensitivity of the interference pattern to multiple system degrees of freedom.
Treptow Kevin, Rühle Josias, Pruß Christof, Ortlepp Ingo, Haist Tobias, Sawodny Oliver, Manske Eberhard, Kissinger Thomas, Reichelt Stephan   +8 more
doaj   +1 more source

Light trapping properties of cylindrical well diffraction gratings in solar cells: Computational calculations

, 2010
Light trapping using diffraction gratings is a promising approach to increasing absorption in solar cells. In this paper, the computationally calculated absorption enhancement expected from a diffraction grating consisting of a triangular array of ...
Tobías Galicia, Ignacio, Luque López, Antonio, Martí Vega, Antonio, Mellor Null, Alexander Virgil   +3 more
core  

Improved spectral resolution of long-period fiber grating sensors for ultra-high temperature environments using narrow interferences between regenerated gratings

, 2014
We thermally regenerated long-period fiber gratings at 850°C. Two strong seed gratings 10cm apart interfere near 1550nm. The regenerated grating has narrow interference fringes above 20% deep and stable up to 1000°C ideal for high-temperature sensors ...
K. Cook, Kristensen, M, Cook, K, Gao, S, Russell, J, M. Kristensen, J. Russell, S. Gao, Canning, J, J. Canning   +9 more
core   +1 more source

Optical Polarization Response of Hybrid Gratings Made of Metals and Polymers Based on Bruggeman Theory

Cumhuriyet Science Journal
In the current state of the art of grating designs, compositions involving different metals and polymers have not been adequately addressed. Our study aims to fill this gap by investigating the influence of varying material compositions on polarization ...
Talha Erdem, Emirhan Taze
doaj   +1 more source

Optical fibre long period grating sensors with nanostructured coatings [PDF]

, 2011
The dual resonant response of long period fibre gratings (LPG) operating near the phase matching turning point to the deposition of nanostructured coatings is explored.
Topliss, Stephen M.
core  

Fiber Bragg Gratings

, 1999
R. Kashyap
semanticscholar   +2 more sources