Portable gas laser and power supply

Details Portable gas laser and power supply Portable gas laser and power supply

1977-07-27

1980-05-06

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945D, 315219, 315241R, 315223, 315276, H01S 3097

Patent

active

042019494

ABSTRACT:
A laser head uses nitrogen gas to provide output in the far ultraviolet region of radiation. The laser is supplied from an energization system including low voltage and high voltage sections. The low voltage section is supplied from a low d-c voltage, stepped up over a transformer and applied as pulses to a high voltage section, including a voltage doubler circuit. The doubler circuit includes two diode assemblies, and this circuit provides the high voltage pulses for energizing the laser head when a spark gap breaks down. The opposed electrodes of the laser head each have a serrated edge, and the serrated edges face each other to effect a pre-ionization of the gap between the electrodes. A capacitor, coupled across the laser head electrodes, has a particular construction to withstand the repeated, very rapid discharges occasioned for firing the laser, and this capacitor contributes to a laser construction which is truly portable.

REFERENCES:
patent: 3275914 (1966-09-01), Hoffman et al.
patent: 3674629 (1972-07-01), Roos
patent: 3749976 (1973-07-01), Colyn
patent: 3812407 (1974-05-01), Nose et al.

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