A frequency locked laser diode for interferometric sensing systems

David J. Webb, Julian D.C. Jones, David A. Jackson

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)1002-1004
Number of pages3
JournalElectronics letters
Volume24
Issue number16
DOIs
Publication statusPublished - 4 Aug 1988

Fingerprint

Frequency stability
Electric lamps
Semiconductor lasers
Cathodes
Sensors
Temperature

Keywords

  • interferometric sensors
  • slowly varying measurands
  • long term frequency stability
  • laser diode
  • atomic transition
  • optogalvanic effect

Cite this

Webb, David J. ; Jones, Julian D.C. ; Jackson, David A. / A frequency locked laser diode for interferometric sensing systems. In: Electronics letters. 1988 ; Vol. 24, No. 16. pp. 1002-1004.
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A frequency locked laser diode for interferometric sensing systems. / Webb, David J.; Jones, Julian D.C.; Jackson, David A.

In: Electronics letters, Vol. 24, No. 16, 04.08.1988, p. 1002-1004.

Research output: Contribution to journalArticle

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AB - 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.

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KW - slowly varying measurands

KW - long term frequency stability

KW - laser diode

KW - atomic transition

KW - optogalvanic effect

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