Optical apparatus

Details Optical apparatus Optical apparatus

1985-08-26

1986-03-25

Arnold, Bruce Y.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2504931, 350319, G02B 500

Patent

active

045779414

ABSTRACT:
An optical apparatus is provided which comprises: a semiconductor laser having first and second emitting points for light emitted in the junction plane and perpendicular thereto, respectively; a cap element covering the semiconductor laser and having an aperture therein; means to produce focused light; and at least one plane-parallel, light transmitting body arranged in the aperture of the cap element to cause the astigmatism of the optical apparatus to be substantially zero.

REFERENCES:
patent: 3717823 (1973-02-01), Abdale et al.
patent: 4318594 (1982-03-01), Hanada
Smith, W. J. "Modern Optical Engineering", McGraw-Hill 1966, pp. 83, 84 and 94-95.

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