Dielectric multilayer reflector, and laser system based thereon

Details Dielectric multilayer reflector, and laser system based thereon Dielectric multilayer reflector, and laser system based thereon

1985-06-26

1988-03-08

Arnold, Bruce Y.

Coherent light generators

Particular component circuitry

Optical pumping

372103, H01S 308, G02B 110

Patent

active

047296330

ABSTRACT:
A reflector comprising a laser mirror resists the accumulation of electric charge upon irradiation with a laser beam. The laser mirror comprises a transparent substrate, a plurality of dielectric layers formed over the surface of the substrate, and a conductive layer formed on top of the dielectric layers. The conductive film over the top surface of the dielectric films prevents an accumulation of electric charge. The charge is uniformly distributed by the conductive layer, and the surface potential on the reflector is reduced. As the laser beam irradiated part of the reflector does not remain charged, dust or water vapor in the air is not attracted to the reflector. The conductive layer can be grounded, thereby further preventing the accumulation of electric charge.

REFERENCES:
patent: 2519722 (1950-08-01), Turner
patent: 4099840 (1978-07-01), van der Wal et al.
Crossan, S.C. et al., IBM Tech. Disc. Bulletin, vol. 19, No. 6, pp. 1985-1986, Nov. 1976.

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