Novel diode laser-based sensors for gas sensing applications
Date
2000
Authors
Tittel, F.
Lancaster, D.
Richter, D.
Editors
Advisors
Journal Title
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Journal article
Citation
Laser Physics: international journal, 2000; 10(1):348-354
Statement of Responsibility
F. K. Tittel, D. G. Lancaster and D. Richter
Conference Name
Abstract
The 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.
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Copyright © 2000 by MAIK “Nauka /Interperiodica