Laser devices, laser system including the laser devices and outp

Details Laser devices, laser system including the laser devices and outp Laser devices, laser system including the laser devices and outp

1989-09-01

1991-02-12

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

372 97, 372 99, 372 72, 372 69, H01S 308

Patent

active

049930389

ABSTRACT:
As a beam converger, one having reflective surfaces including partial cylindrical curved surfaces and partial plain surfaces, which surround laser rod and pump lamp plane-parallelly and substantially uniformly in the axial direction thereof, is adopted, so as to make a high beam converging property in the case of adoption of an elliptic cylinder moderate. The axes of the pump lamp and/or the laser rod are shifted to positions closer to the partial cylindrical curved surfaces than the center lines of the partial cylindrical curved surfaces, so as to increase energy of light exciting the laser rod by the pump lamp, thus improving the efficiency. A laser system obtained by combining a resonant type laser device comprising two laser rods and one or two pump lamps with a prism having a regular equilateral triangle shape in cross section, highly contributes to the compactness and simplification of the laser system.

REFERENCES:
patent: 3646474 (1972-02-01), Segre
patent: 3967215 (1976-06-01), Bellak
patent: 4439861 (1984-03-01), Bradford
patent: 4751716 (1988-06-01), Ream et al.
patent: 4805181 (1989-02-01), Gibson et al.
Solid-State Laser Engineering, Walter Koechner--Springer-Verlag New York Heidelberg Berlin, 1976--pp. 300-311, vol. 1.
"Diffraction-Limited High-Radiance Nd-Glass Laser System", Journal of Applied Physics, vol. 40, No. 2, Feb. 1969, pp. 511-516.

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