Adjustable aperture

Details Adjustable aperture Adjustable aperture

1988-03-21

1990-03-20

Gonzalez, Frank

Coherent light generators

Particular beam control device

Mode discrimination

372 98, 372103, 350319, H01S 3098

Patent

active

049107399

ABSTRACT:
An adjustable aperture is formed by a plurality of spring members secured over a passage on a frame, each spring member having a first end secured to the frame, a body extending into the passage and a second end opposite the first. The flexible members are mounted so that the plurality of second ends of the spring members form the aperture. A plunger, secured to the frame and contacting the bodies of the spring members, is provided for deflecting the spring members in an adjustable mount along the axis of light going through the passage. By deflecting the spring members which are fixed to the frame, the size of the aperture formed by the second ends of the spring members can be adjusted. The aperture formed is well suited for control of transverse modes in lasers.

REFERENCES:
patent: 3362313 (1968-01-01), Wollensak et al.
patent: 3413568 (1968-11-01), Gordon et al.
patent: 3426293 (1969-02-01), Snitzer
patent: 3518339 (1970-06-01), Goff
patent: 3868702 (1975-02-01), Strauss et al.
patent: 3922699 (1975-11-01), Yamaki
patent: 3936770 (1976-02-01), Reintjes, Jr. et al.
patent: 4675500 (1987-06-01), Kunz et al.
patent: 4751706 (1988-06-01), Rohde et al.

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