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10 February 1995 Room-temperature diode lasers operating at 2.78 μm for enhanced CO2 detection
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Proceedings Volume 2366, Optical Instrumentation for Gas Emissions Monitoring and Atmospheric Measurements; (1995) https://doi.org/10.1117/12.205549
Event: Optical Sensing for Environmental and Process Monitoring, 1994, McLean, VA, United States
Abstract
We describe room-temperature 2.78-micrometers AlGaAsSb/InGaAsSb multi-quantum well lasers. Pulsed laser operation was observed with threshold currents of 1.1 A, a maximum power output of 95 mW, and a maximum differential quantum efficiency of 9%. Lasers operated pulsed up to 60 degree(s)C with a characteristic temperature of 58 K over the range of 0 - 40 degree(s)C. Continuous wave operation was observed up to 200 K, with a peak emission wavelength of 2.665 micrometers . To date, 2.78 micrometers is the longest emission wavelength for a room-temperature III-V laser.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pamela K. York, Dmitri Z. Garbuzov, Hao Lee, Ramon U. Martinelli, Raymond J. Menna, and S. Yegna Narayan "Room-temperature diode lasers operating at 2.78 μm for enhanced CO2 detection", Proc. SPIE 2366, Optical Instrumentation for Gas Emissions Monitoring and Atmospheric Measurements, (10 February 1995); https://doi.org/10.1117/12.205549
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