A new scalable annular CO2 laser with high specific output power

J. W. Bethel; H. J. Baker; D. R. Hall

A new scalable annular CO₂ laser with high specific output power

J. W. Bethel, H. J. Baker, D. R. Hall

School of Engineering & Physical Sciences

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

16 Citations (Scopus)

Abstract

A compact, annular waveguide CO₂ laser is presented which uses a novel method of RF excitation to allow discharge length scaling and a non-interrupted optical path within the annular resonator. The laser has produced an output power of 465 W at 12.9% efficiency with an annular spacing of 1.5 mm. The electrode transmission line effects in annular lasers are analysed, and it is shown that the new excitation format produces a highly uniform discharge, resulting in a high specific output power of 16.8 kW m^-2. © 1998 Elsevier Science B.V.

Original language	English
Pages (from-to)	352-358
Number of pages	7
Journal	Optics Communications
Volume	145
Issue number	1-6
Publication status	Published - 1 Jan 1998

Keywords

Annular
Carbon dioxide
Laser
Waveguide

Cite this

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N2 - A compact, annular waveguide CO2 laser is presented which uses a novel method of RF excitation to allow discharge length scaling and a non-interrupted optical path within the annular resonator. The laser has produced an output power of 465 W at 12.9% efficiency with an annular spacing of 1.5 mm. The electrode transmission line effects in annular lasers are analysed, and it is shown that the new excitation format produces a highly uniform discharge, resulting in a high specific output power of 16.8 kW m-2. © 1998 Elsevier Science B.V.

AB - A compact, annular waveguide CO2 laser is presented which uses a novel method of RF excitation to allow discharge length scaling and a non-interrupted optical path within the annular resonator. The laser has produced an output power of 465 W at 12.9% efficiency with an annular spacing of 1.5 mm. The electrode transmission line effects in annular lasers are analysed, and it is shown that the new excitation format produces a highly uniform discharge, resulting in a high specific output power of 16.8 kW m-2. © 1998 Elsevier Science B.V.

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KW - Carbon dioxide

KW - Laser

KW - Waveguide

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JO - Optics Communications

JF - Optics Communications

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A new scalable annular CO₂ laser with high specific output power

Abstract

Keywords

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