Title :
Frequency-locked diode laser for interferometric sensing systems
Author :
Webb, David J. ; Jones, J.D.C. ; Jackson, D.A.
Author_Institution :
Phys. Lab., Kent Univ., Canterbury
fDate :
8/4/1988 12:00:00 AM
Abstract :
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
Keywords :
laser frequency stability; light interferometry; nonelectric sensing devices; semiconductor junction lasers; frequency locked diode lasers; frequency locking; hollow cathode lamp; interferometric sensing systems; long term frequency stability; optogalvanic effect; pressure; slowly varying measurands; temperature;
Journal_Title :
Electronics Letters
