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Novel diode laser-based sensors for gas sensing applicationsThe development of compact spectroscopic gas sensors and their applications to environmental sensing will be described. These sensors employ mid-infrared difference-frequency generation (DFG) in periodically poled lithium niobate (PPLN) crystals pumped by two single-frequency solid state lasers such as diode lasers, diode-pumped solid state, and fiber lasers. Ultrasensitive, highly selective, and real-time measurements of several important atmospheric trace gases, including carbon monoxide, nitrous oxide, carbon dioxide, formaldehyde [correction of formaldehye], and methane, have been demonstrated.
Document ID
20040088203
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Tittel, F. K.
(Rice Quantum Institute, Rice University Houston, TX 77005, United States)
Lancaster, D. G.
Richter, D.
Date Acquired
August 21, 2013
Publication Date
January 1, 2000
Publication Information
Publication: Laser physics
Volume: 10
Issue: 1
ISSN: 1054-660X
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Life Sciences Technologies
Non-NASA Center

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