On the issue of achieving subpicometric resolution by acousto-optic two-channel laser displacement interferometer with two different frequency photodetectors

On the issue of achieving subpicometric resolution by acousto-optic two-channel laser displacement interferometer with two different frequency photodetectors

The article discusses an acousto-optical (AO) heterodyne laser displacement interferometer (LDI) with two different-frequency photodetectors: highfrequency (HF) and low-frequency (LF) low-noise, working with «fast inaccurate» and «slow accurate» measuring channels, respectively. The mode of ope...

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Bibliographic Details
Main Author: E. V. Leun
Format: Article
Language:English
Published: Omsk State Technical University, Federal State Autonoumos Educational Institution of Higher Education 2022-04-01
Series:Омский научный вестник
Subjects:
laser displacement interferometer
phaselocked frequency system
acousto-optic modulator
photodetector noise
signal jitter
picometer
smallrange phase meter
Online Access:https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2022/%E2%84%96%202%20(182)%20(%D0%9E%D0%9D%D0%92)/110-118%20%D0%9B%D0%B5%D1%83%D0%BD%20%D0%95.%20%D0%92..pdf
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https://www.omgtu.ru/general_information/media_omgtu/journal_of_omsk_research_journal/files/arhiv/2022/%E2%84%96%202%20(182)%20(%D0%9E%D0%9D%D0%92)/110-118%20%D0%9B%D0%B5%D1%83%D0%BD%20%D0%95.%20%D0%92..pdf

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