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Diffractive beam splitter for laser Doppler velocimetry

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Author(s)
Schmidt, J. 
Völkel, R. 
Stork, W. 
Sheridan, John T. 
Schwider, J. 
Streibl, N. 
Durst, F. 
Uri
http://hdl.handle.net/10197/3292
Date Issued
01 September 1992
Date Available
03T16:48:53Z November 2011
Abstract
A miniaturized sensor head for the optical measurement of velocities of fluids based on laser Doppler velocimetry is demonstrated. Holographic optical elements mounted on a glass substrate are used for beam splitting and deflection. Volume holograms in dichromated gelatin exhibit good optical efficiency (75% transmission of a cascade of two holographic optical elements). With diffractive devices one can achieve achromatic behavior that makes the sensor insensitive to wavelength drifts or mode hopping of a semiconductor laser.
Sponsorship
Not applicable
Type of Material
Journal Article
Publisher
Optical Society of America
Journal
Optics Letters
Volume
17
Issue
17
Start Page
1240
End Page
1242
Copyright (Published Version)
1992 Optical Society of America
Subject – LCSH
Beam splitters
Laser Doppler velocimeter
DOI
10.1364/OL.17.001240
Web versions
http://dx.doi.org/10.1364/OL.17.001240
Language
English
ISSN
0146-9592 (print)
1539-4794 (online)
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-sa/1.0/
Owning collection
Electrical and Electronic Engineering Research Collection
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44
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