Enhanced peak power and short pulse operation of planar waveguide CO2 lasers

F Villarreal; P R Murray; Howard John Baker; Denis Hall

doi:10.1063/1.1359148

Enhanced peak power and short pulse operation of planar waveguide CO₂ lasers

F Villarreal, P R Murray, Howard John Baker, Denis Hall

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

We report a large peak power enhancement and reduction in pulse width for planar waveguide carbon dioxide lasers. Gain modulation through rf discharge power switching produces trains of laser pulses with peak power levels at up to 38 times the cw power level, with a pulse duration as low as 10 µs. Operation at repetition rates in the kHz region preserves the average power (100 W) of the normal cw/long pulse mode of operation. The laser is shown to operate close to the predicted boundaries dictated by thermal loading of the discharge. © 2001 American Institute of Physics.

Original language	English
Pages (from-to)	2276-2278
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	16
DOIs	https://doi.org/10.1063/1.1359148
Publication status	Published - 16 Apr 2001

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abstract = "We report a large peak power enhancement and reduction in pulse width for planar waveguide carbon dioxide lasers. Gain modulation through rf discharge power switching produces trains of laser pulses with peak power levels at up to 38 times the cw power level, with a pulse duration as low as 10 µs. Operation at repetition rates in the kHz region preserves the average power (100 W) of the normal cw/long pulse mode of operation. The laser is shown to operate close to the predicted boundaries dictated by thermal loading of the discharge. {\textcopyright} 2001 American Institute of Physics.",

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AB - We report a large peak power enhancement and reduction in pulse width for planar waveguide carbon dioxide lasers. Gain modulation through rf discharge power switching produces trains of laser pulses with peak power levels at up to 38 times the cw power level, with a pulse duration as low as 10 µs. Operation at repetition rates in the kHz region preserves the average power (100 W) of the normal cw/long pulse mode of operation. The laser is shown to operate close to the predicted boundaries dictated by thermal loading of the discharge. © 2001 American Institute of Physics.

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Enhanced peak power and short pulse operation of planar waveguide CO₂ lasers

Abstract

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