Modifications to the LP-140 pulsed CO<sub>2</sub> laser for lidar use

Holger M. Jaenisch; Gary D. Spiers

doi:10.1117/12.43627

1 April 1991 Modifications to the LP-140 pulsed CO₂ laser for lidar use

Holger M. Jaenisch, Gary D. Spiers

Proceedings Volume 1411, Pulse Power for Lasers III; (1991) https://doi.org/10.1117/12.43627
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

The Pulse Systems Inc. Model LP-140 is a commercial pulsed CO₂ laser designed for marking and engraving. It is available with pulse energies in excess of 1 joule and repetition rates up to 7 Hz, thus making it a potential candidate for lidar applications. The authors document the characteristics of the LP-140 performance including power, temporal and spatial mode stability, chirp, and long term operational characteristics. The laser can be made to function as a coherent lidar only if modified to improve its inherent characteristics. This paper addresses work in progress on the following modifications and their effect on performance: gas flow, optical resonator configuration and discharge supply modifications.

Citation Download Citation

Holger M. Jaenisch and Gary D. Spiers "Modifications to the LP-140 pulsed CO₂ laser for lidar use", Proc. SPIE 1411, Pulse Power for Lasers III, (1 April 1991); https://doi.org/10.1117/12.43627

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