Frequency-locked diode laser for interferometric sensing systems
Frequency-locked diode laser for interferometric sensing systems
- Author(s): D.J. Webb ; J.D.C. Jones ; D.A. Jackson
- DOI: 10.1049/el:19880682
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- Author(s): D.J. Webb 1 ; J.D.C. Jones 1 ; D.A. Jackson 1
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View affiliations
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Affiliations:
1: Physics Laboratory, University of Kent at Canterbury, Canterbury, UK
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Affiliations:
1: Physics Laboratory, University of Kent at Canterbury, Canterbury, UK
- Source:
Volume 24, Issue 16,
4 August 1988,
p.
1002 – 1004
DOI: 10.1049/el:19880682 , Print ISSN 0013-5194, Online ISSN 1350-911X
Interferometric sensors for slowly varying measurands, such as temperature or pressure, require a long term frequency stability of the source. We describe a system for frequency locking a laser diode to an atomic transition in a hollow cathode lamp using the optogalvanic effect.
Inspec keywords: nonelectric sensing devices; semiconductor junction lasers; laser frequency stability; light interferometry
Other keywords:
Subjects: Lasing action in semiconductors; Sensing devices and transducers; Design of specific laser systems; Optical interferometry; Semiconductor lasers
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