Development of CO2 waveguide lasers and laser technology for remote sensing

George E. Busch; Clifford J. Hewitt; Dennis K. Remelius; Tsutomu Shimada; David C. Thompson

doi:10.1117/12.460137

26 March 2002 Development of CO₂ waveguide lasers and laser technology for remote sensing

George E. Busch, Clifford J. Hewitt, Dennis K. Remelius, Tsutomu Shimada, David C. Thompson

Proceedings Volume 4747, International Conference on Atomic and Molecular Pulsed Lasers IV; (2002) https://doi.org/10.1117/12.460137
Event: International Conference on Atomic and Molecular Pulsed Lasers IV, 2001, Tomsk, Russian Federation

Abstract

We have developed rapidly tuned RF-pumped CO₂ waveguide laser transmitters for remote sensing in the 9 - 11 micrometers spectral range. The small size, high power and efficiency, and tunability of these lasers offer significant advantages over other laser sources in this spectral region. Employing acousto-optic modulators to achieve random-access tuning at pulse rates up to 100 kHz permits rapid gathering of data on time scales short compared to times for change in atmospheric turbulence and absorption effects, thereby improving the signal-to-noise ratios that can be achieved. Laser system design and performance characteristics of present systems are described, along with proposed concepts to increase optical bandwidths and extend the tuning range to cover the full long-wave atmospheric transmission window from 8 - 12 micrometers .

Citation Download Citation

George E. Busch, Clifford J. Hewitt, Dennis K. Remelius, Tsutomu Shimada, and David C. Thompson "Development of CO₂ waveguide lasers and laser technology for remote sensing", Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); https://doi.org/10.1117/12.460137

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