Oscillators – Molecular or particle resonant type
Patent
1976-02-13
1977-09-20
Sikes, William L.
Oscillators
Molecular or particle resonant type
H01S 3081
Patent
active
040500357
ABSTRACT:
A laser of the type which generates linearly polarized light and including optical means for self-alignment. Among such polarized lasers are, for example, solid state lasers and particularly ruby lasers, as well as various gas lasers employing Brewster windows. The problem is solved by utilizing a corner reflector in the laser cavity which generates two parallel laser beams. In order to achieve effective laser operation the polarization determining aspect of the laser, that is the crystal axis or Brewster windows, must be so oriented with respect to the corner reflector that the laser beam in passing through the laser is so reflected by the corner reflector that the light will return through the laserable material with the same directon of polarization as that of the original laser beam generated by the laser.
REFERENCES:
patent: 3327243 (1963-06-01), Stickley
patent: 3397024 (1968-08-01), Boyden et al.
patent: 3936768 (1976-02-01), Ichinose et al.
Karube et al., Alignment Characteristics of an Optical Maser with a Corner Prism, Japanese J. Appl. Phys., vol. 6, No. 3 (Mar. 1967), pp. 364-374.
Karube et al., Alignment Characteristics of a Roof Prism Optical Maser, Japanese J. Appl. Phys., vol. 5 (1966) pp. 257-258.
Hillenkamp, A Prism for Laser Resonators which Preserves the State and Plane of Polarization, J. Appl. Phys., vol. 38, No. 11, (Oct. 1967), pp. 4545-4546.
Heflinger Lee O.
Wuerker Ralph F.
Anderson Daniel T.
Dinardo Jerry A.
Oser Edwin A.
Sikes William L.
TRW Inc.
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