CO2 large-area discharge laser using an unstable-waveguide hybrid resonator

P. E. Jackson; H. J. Baker; D. R. Hall

doi:10.1063/1.101203

CO₂ large-area discharge laser using an unstable-waveguide hybrid resonator

P. E. Jackson, H. J. Baker, D. R. Hall

School of Engineering & Physical Sciences

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

Abstract

A one-dimensional unstable resonator combining free-space and waveguide propagation is used to efficiently extract power from a large-area gain medium in a slab waveguide CO₂ laser. A power of 240 W in a near-diffraction-limited beam has been attained at 12% conversion efficiency from a 38 cm gain length in a compact sealed-off laser head, corresponding to a specific power extraction of 14 kW m^-2 of discharge area.

Original language	English
Pages (from-to)	1950-1952
Number of pages	3
Journal	Applied Physics Letters
Volume	54
Issue number	20
DOIs	https://doi.org/10.1063/1.101203
Publication status	Published - 1989

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10.1063/1.101203

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title = "CO2 large-area discharge laser using an unstable-waveguide hybrid resonator",

abstract = "A one-dimensional unstable resonator combining free-space and waveguide propagation is used to efficiently extract power from a large-area gain medium in a slab waveguide CO2 laser. A power of 240 W in a near-diffraction-limited beam has been attained at 12% conversion efficiency from a 38 cm gain length in a compact sealed-off laser head, corresponding to a specific power extraction of 14 kW m-2 of discharge area.",

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AB - A one-dimensional unstable resonator combining free-space and waveguide propagation is used to efficiently extract power from a large-area gain medium in a slab waveguide CO2 laser. A power of 240 W in a near-diffraction-limited beam has been attained at 12% conversion efficiency from a 38 cm gain length in a compact sealed-off laser head, corresponding to a specific power extraction of 14 kW m-2 of discharge area.

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