Referenced Items are not available for this document.
Oxygen detection using a GaAs-AlGaAs distributed feedback laser diode emitting at a wavelength of 761 nm is demonstrated for the first time. Using wavelength modulation spectroscopy with harmonic detection the authors have achieved a detection limit of 20 ppm.m with a lock-in amplifier time constant of 33.3 ms. The first results comparing the relative merits of VCSELs and DFB laser diodes for sensing applications are also shown
Published in:
Electronics Letters
(Volume:32
,
Issue:
3
)
Date of Publication: 1 Feb 1996
- Page(s):
- 219 - 221
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 5191499
- Digital Object Identifier :
- 10.1049/el:19960169
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- 1 Feb 1996
- Sponsored by :
- Institution of Engineering and Technology
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