Apparatus and method for suppressing diffraction rings in a lase

Details Apparatus and method for suppressing diffraction rings in a lase Apparatus and method for suppressing diffraction rings in a lase

1987-10-14

1989-05-02

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 33, 372 92, H01S 303

Patent

active

048274844

ABSTRACT:
A laser comprises an interaction region formed by a wall surface of a capillary discharge tube which has been roughened along a continuous length thereof. This roughened surface suppresses and substantially eliminates diffraction rings in lasers.

REFERENCES:
patent: 3699471 (1972-10-01), Mulready et al.
patent: 3803509 (1974-04-01), Steffen
patent: 4589114 (1956-05-01), Sutter, Jr.
patent: 4649545 (1987-03-01), Lee et al.

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