The effect of source (LED) noise on the sensitivity of fiber-optic methane sensors is discussed. Once the source is dominant, the system sensitivity cannot be improved by increasing the source power further.
© 1995 Optical Society of America
Original Manuscript: June 14, 1994
Revised Manuscript: August 22, 1994
Published: May 1, 1995
Wei Jin, George Stewart, Brian Culshaw, and Stuart Murray, "Source-noise limitation of fiber-optic methane sensors," Appl. Opt. 34, 2345-2349 (1995)