Quasi-monolithic heterodyne laser interferometer for inertial sensing

Y Zhang, F Guzman - Optics Letters, 2022 - opg.optica.org
We present a compact heterodyne laser interferometer developed for high-sensitivity
displacement sensing applications. This interferometer consists of customized prisms and …

Development of an image grating sensor for position measurement

S Fu, F Cheng, T Tjahjowidodo, M Liu - Sensors, 2019 - mdpi.com
In this research paper, a precision position-measurement system based on the image
grating technique is presented. The system offers a better robustness and flexibility for 1D …

U-Net convolutional neural network-based modification method for precise fabrication of three-dimensional microstructures using laser direct writing lithography

X Sun, S Yin, H Jiang, W Zhang, M Gao, J Du, C Du - Optics Express, 2021 - opg.optica.org
In this paper, a modification method based on a U-Net convolutional neural network is
proposed for the precise fabrication of three-dimensional microstructures using laser direct …

Note: An absolute XY-Θ position sensor using a two-dimensional phase-encoded binary scale

JA Kim, JW Kim, CS Kang, J Jin - Review of Scientific Instruments, 2018 - pubs.aip.org
This Note presents a new absolute XY-Θ position sensor for measuring planar motion of a
precision multi-axis stage system. By analyzing the rotated image of a two-dimensional …

Absolute planar position and full angle orientation sensor using a 2-D color-coded binary scale

JA Kim, JW Kim, CS Kang, JY Lee… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A multi-axis position sensor using a 2-D color-coded binary scale (CCBS) is proposed for
measuring absolute 2-D planar position and orientation in a full angle range. Since a color …

Controlling the accuracy of fabricating computer-generated holograms on circular and XY laser writing systems

RV Shimansky, DA Belousov, RI Kuts… - Optical Design and …, 2021 - spiedigitallibrary.org
Controlling an accuracy of fabricating computer-generated holograms (CGH) is actual task.
Such holograms are usually used for generating reference wavefront for interferometric …

Principles of operation and prospects for the development of laser lithographic systems for the synthesis of optical elements

VN Khomutov, RV Shimansky… - Computational …, 2021 - spiedigitallibrary.org
The development and research of new devices and systems of diffractive and integrated
optics, which based on elements with thin-layer micro-and nanostructures, requires the …

Motion performance measurement and optimization of motorized stages using tightly focused laser marking

X Liu, G Chen, J Zheng, X Xu, T Gao… - Optical …, 2022 - spiedigitallibrary.org
Motorized stages are widely used in the fields of processing and measurement, such as
lithography, semiconductor packaging, biochips, and micro/nanostructure characterization …

Automatic control system of the direct photolithography writer with an autofocus algorithm

MO Isyp - 2023 - ela.kpi.ua
Анотація The thesis contains 95 pages, of them 75–the main text, 45 figures, and 8 tables.
The main purpose of the project is to develop an automatic focus control system for the direct …

[HTML][HTML] Microfabrication of position reference patterns onto glass microscope slides for high-accurate analysis of dynamic cellular events

JA Galeano, P Sandoz, A Zarzycki, L Robert… - TecnoLógicas, 2017 - scielo.org.co
GALEANO, July A. et al. Microfabrication of position reference patterns onto glass
microscope slides for high-accurate analysis of dynamic cellular events. TecnoL.[online] …