Argon gas laser device

Details Argon gas laser device Argon gas laser device

1982-06-08

1986-09-30

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Specified cavity component

372 92, 372108, 350164, 350166, H01S 308

Patent

active

046150331

ABSTRACT:
According to this invention the argon gas laser for emitting monochromatic light at 4880 .ANG. is provided comprising an elongated envelope with a capillary filled mainly with argon gas, an optical resonator comprising a high reflectance multilayer mirror and an output coupling multilayer mirror facing each other and disposed along the optical axis of the envelope. A cathode electrode and an anode electrode are disposed within the envelope for discharging the gas. Each mirror comprising alternate stacked layers of relatively high refractive index materials and relatively low refractive index materials. The high reflective mirror having a high reflectance band with a center wavelength .lambda..sub.0 containing a laser wavelength .lambda..sub.L within said band which satisfies the following expression:

REFERENCES:
patent: 4009453 (1977-02-01), Mahlein
patent: 4099840 (1978-07-01), van der Wal et al.
patent: 4132959 (1979-01-01), Bouwhuis et al.
patent: 4201954 (1980-05-01), van der Wal et al.
Matsuda et al; "Air Cooled Argon-Ion Laser"; Toshiba Review, No. 124, Nov.-Dec. 1979.
Kutagin et al; "A Pulsed Laser Employing Ar.sup.+ Ions at High Currents and Low Pressures"; Zhurnal. Prik. Spect., vol. 5; No. 4, pp. 534-535, 1966.

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