Beam splitting apparatus

Details Beam splitting apparatus Beam splitting apparatus

1987-09-21

1989-01-10

Berkey, W. B.

350172, G03B 4100, G02B 2714

Patent

active

047976969

ABSTRACT:
An apparatus for splitting radiant energy beams produced by a laser or other light source. The apparatus comprises a plurality of mirrors, each aligned to reflect a beam or plurality of beams from one mirror to the next. Each mirror comprises a glass body with a layer of 50% reflective coating and a layer of anti-reflecting coating on one side of the body. A layer of 100% reflective coating is on the other side of the body. A beam is, thus, 50% reflected from the first reflective layer and allowed 50% to pass through the layer. The remainder of the beam is reflected from the 100% reflective layer.

REFERENCES:
patent: 3230851 (1966-01-01), Reymond
patent: 3898639 (1975-08-01), Muncheryan
patent: 4531054 (1985-07-01), Suzuki
patent: 4541712 (1985-09-01), Whitney

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