Frequency-locked diode laser for interferometric sensing systems
- 4 August 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (16) , 1002-1004
- https://doi.org/10.1049/el:19880682
Abstract
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.Keywords
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