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Číp, Ondřej - Mikel, Břetislav - Lazar, Josef
Original Title
Laser interferometer for absolute distance measurement based on a tunable VCSEL laser
Type
conference paper
Language
English
Original Abstract
In the work, we present the absolute distance interferometer with a narrow-linewidth tunable VCSEL laser (Vertical-Cavity Surface-Emitting Laser) working at 760 nm. As a detection technique, we use a fast wavelength-scanning interferometry improved by an amplitude division of the interference fringe with using two signals in quadrature. We experimentally compared the developed absolute interferometer with a conventional – incremental Michelson interferometer based on a single frequency He-Ne laser. We achieved the relative uncertainty and scale linearity below 8 x 10-5 for range of tested distances from 78 to 118 mm.
Keywords
wavelength-scanning interferometry, tunable laser
Authors
Released
1. 1. 2005
Location
Merida
ISBN
8194-5757-4
Book
8th International Symposium on Laser Metrology
Pages from
246
Pages to
250
Pages count
5
BibTex
@inproceedings{BUT20664, author="Ondřej {Číp} and Břetislav {Mikel} and Josef {Lazar}", title="Laser interferometer for absolute distance measurement based on a tunable VCSEL laser", booktitle="8th International Symposium on Laser Metrology", year="2005", pages="5", address="Merida", isbn="8194-5757-4" }