Optical: systems and elements – Lens – With light limiting or controlling means
Patent
1989-03-31
1992-11-03
Sugarman, Scott J.
Optical: systems and elements
Lens
With light limiting or controlling means
359739, 372 34, 372103, H01S 3043
Patent
active
051612380
ABSTRACT:
An apparatus for confining or limiting laser beams of medium and high power comprises a diaphragm 1, 1' which is mirrored and is arranged with respect to the laser beam 2 in such a manner that the beam portions (3, 3') reflected by the diaphragm are directed away from the laser beam axis A.
REFERENCES:
patent: 3578849 (1971-05-01), Guillet
patent: 4940308 (1990-07-01), Debesis
Lambda Physik Forschungs-und Entwicklungs-Gesellschaft GmbH
Sugarman Scott J.
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