Slab laser with stand-off for ceramic spacers

Details Slab laser with stand-off for ceramic spacers Slab laser with stand-off for ceramic spacers

2011-06-28

2011-06-28

Park, Kinam (Department: 2828)

Coherent light generators

Particular active media

Gas

C372S064000, C372S065000, C372S055000

Reexamination Certificate

active

07970038

ABSTRACT:
An RF excited gas discharge laser is disclosed including a housing holding the lasing gas. An electrode assembly is mounted within the housing. The electrode assembly includes a pair of elongated planar electrodes mounted in face to face relationship with a narrow gap therebetween. A pair of planar dielectric plates are positioned along the side edges of the gap to seal the discharge region. The plates extend part of the way into the gap from both sides edges of the electrodes. The inner surfaces of the electrodes are provided with an opposed trench in the region surrounding the inner edges of the plates. In this way, the exposure of the inner edges of the plates to the discharge is minimized improving performance.

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U.S. Appl. No. 12/079,296, filed Mar. 26, 2008, by Leon A. Newman, entitled “RF Excited CO2Slab Laser Tube Elousing and Electrodes Cooling,” 28 pages in length.
J. Xin et al., “Radio frequency discharge excited diffusively cooled kilowatt carbon monoxide slab waveguide laser with a three mirror resonator,”Applied Physics Letters, vol. 75, No. 10, Sep. 6, 1999, pp. 1369-1370.

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