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Application of diode-laser-pumped difference-frequency generation to spectroscopic trace gas detection in the atmosphere
The application of diode-laser-pumped tunable IR sources to trace gas detection in air is discussed. The design and technology issues of CW tunable mid-infrared difference-frequency generation are addressed. Feasibility ...
Compact gas sensors based on mid-infrared frequency conversion of semiconductor lasers
Design, development, and application of novel all-solid-state spectroscopic gas sensors is reported. These compact instruments employ mid-infrared difference-frequency generation pumped by room-temperature semiconductor ...