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Proceedings Paper

Design of a totally conductively cooled diode-pumped 2μm-laser amplifier
Author(s): Bo Trieu; Jirong Yu; Mulugeta Petros; Luis Ramos-Izquierdo; Glenn Byron; Peck Sohn; Yingxin Bai; Songsheng Chen; Michael J. Kavaya; Upendra N. Singh
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Paper Abstract

For space-based lidar applications, conductively cooled lasers have been identified as a critical technology for high energy, 2-micron laser transmitter. Effective thermal management is a challenge for high-energy, 2-micon lasers. In this paper, the design of a totally conductively cooled, diode pumped, 2-micron laser amplifier is presented. Based on the successful testing of a conductively cooled oscillator, concepts for a laser amplifier were developed. The newly designed amplifier consists of a 40 mm long Ho:Tm: LuLF rod being pumped by 4 banks of 5-radially arranged diode lasers totaling 80W pump power. Optical and thermal studies for the amplifier head are presented and discussed. Currently, the design of the amplifier head is being integrated into a complete amplifier subsystem for a conductive cooled Master Oscillator Power Amplifier (MOPA) laser.

Paper Details

Date Published: 16 September 2005
PDF: 11 pages
Proc. SPIE 5887, Lidar Remote Sensing for Environmental Monitoring VI, 58870M (16 September 2005); doi: 10.1117/12.620823
Show Author Affiliations
Bo Trieu, NASA Langley Research Ctr. (United States)
Jirong Yu, NASA Langley Research Ctr. (United States)
Mulugeta Petros, Science and Technology Corp. (United States)
Luis Ramos-Izquierdo, Swales Aerospace (United States)
Glenn Byron, Swales Aerospace (United States)
Peck Sohn, Swales Aerospace (United States)
Yingxin Bai, Science Applications International Corp. (United States)
Songsheng Chen, Science Applications International Corp. (United States)
Michael J. Kavaya, NASA Langley Research Ctr. (United States)
Upendra N. Singh, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 5887:
Lidar Remote Sensing for Environmental Monitoring VI
Upendra N. Singh, Editor(s)

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