Investigations of an Optoelectronic Device for Angular Displacements Measurements with Use of a Deep Phasetype Reflective Grating

V A Komotskii; Комоцкий В А; Yu M Sokolov; Соколов Ю М; A N Alexeev; Алексеев А Н; E V Basisty; Басистый Е В

Investigations of an Optoelectronic Device for Angular Displacements Measurements with Use of a Deep Phasetype Reflective Grating

Authors: Komotskii VA¹, Sokolov Y.M¹, Alexeev AN¹, Basisty EV¹
Affiliations:
1. Peoples' Friendship University of Russia
Issue: No 4 (2009)
Pages: 95-101
Section: Articles
URL: https://journals.rcsi.science/2658-4670/article/view/328935
ID: 328935

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Abstract

An optoelectronic device for measurements of small angular displacements based on a diffraction of a laser beam on a deep reflective phasetype grating was suggested and investigated. The grating's depth is about several wavelengths. The zero diffraction order's power dependency on the incident angle of a laser beam was investigated theoretically and experimentally. There were found conditions when linear conversion of angular vibrations into changes of power of zero order took place. The experimentally measured sensitivity of the device was rad with channel bandwidth of 800 Hz and signal-to-noise ratio 10.

Keywords

optoelectronic sensor, sensor of displacements, small angular displacements, phase diffraction grating

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Investigations of an Optoelectronic Device for Angular Displacements Measurements with Use of a Deep Phasetype Reflective Grating

Full Text

Abstract

Keywords

About the authors

V A Komotskii

Yu M Sokolov

A N Alexeev

E V Basisty

Supplementary files