Diode-Pumped Cryogenic Yb[superscript 3+]:YLF Laser of 100-W Output Power with High Beam Quality

Author(s)
Zapata, Luis E.; Miller, Daniel E.; Ripin, Daniel J.; Fan, Tso Yee
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Abstract
A cryogenically cooled Yb:YLF laser with 224-W output power at 995 nm, linearly polarized along the c-axis, has been demonstrated, and laser oscillation has also been obtained polarized along the a-axis. The beam quality had an M2 ~ 1.1 at 60-W output and M² ~ 2.6 at 180-W output for c-axis polarization. This level of average power is approximately two orders of magnitude higher than demonstrated previously in cryogenic Yb:YLF. A cryogenic Yb:YLF mode-locked oscillator is under development, which will be used to as the input to a Yb:YLF amplifier to generate a short pulses at high average power.
Date issued
2010-03
URI
http://hdl.handle.net/1721.1/58585
Department
Lincoln Laboratory
Journal
Proceedings of SPIE--the International Society for Optical Engineering; v. 7686
Publisher
SPIE
Citation
Zapata, Luis E. et al. “Diode-pumped cryogenic Yb[sup 3 + ]:YLF laser of 100-watt output power with high beam quality.” Laser Technology for Defense and Security VI. Ed. Mark Dubinskii & Stephen G. Post. Orlando, Florida, USA: SPIE, 2010. 768607-6. © 2010 SPIE
Version: Final published version
ISSN
0277-786X
Keywords
Yb lasers, ultrashort pulse lasers, cryogenic lasers
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