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Frequency-locked diode laser for interferometric sensing systems

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3 Author(s)
D. J. Webb ; Phys. Lab., Kent Univ., Canterbury, UK ; J. D. C. Jones ; D. A. Jackson

Interferometric sensors for slowly varying measurands, such as temperature or pressure, require a long term frequency stability of the source. The authors describe a system for frequency locking a laser diode to an atomic transition in a hollow cathode lamp using the optogalvanic effect.<>

Published in:

Electronics Letters  (Volume:24 ,  Issue: 16 )