Laser for generating white light

Details Laser for generating white light Laser for generating white light

1975-10-16

1977-05-03

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

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331 945G, H01S 302, H04N 146

Patent

active

040218457

ABSTRACT:
A laser structure for generating white laser light when energized by a source of dc voltage. The laser tube structure comprises a gas-filled envelope having a longitudinal axis, an anode electrode forming a portion of the envelope. A hollow cathode is positioned within the envelope and coaxially disposed with respect to the anode electrode portion of the envelope. Members are coaxially aligned with the ends of the envelope such that a structure is provided for confining a gaseous medium therein, a dc voltage applied between the cathode and anode electrode creating a discharge therebetween, the discharge stimulating continuous wave laser emission along the longitudinal axis of the cathode, the laser emission comprising simultaneous multi-line emissions in the form of white light.

REFERENCES:
patent: 3755756 (1973-08-01), Silfvast
patent: 3783185 (1974-01-01), Spaulding
patent: 3860752 (1975-01-01), Adler et al.
patent: 3942062 (1976-03-01), Hernqvist
Fujii et al., "Hollow-Cathode-Type CW White Light Laser", IEEE Journal of Quantum Electronics, Mar. 1975, pp. 111-114.

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