Arc lamp illuminator

Details Arc lamp illuminator Arc lamp illuminator

1980-04-21

1983-03-01

Lee, John D.

Illumination

Supported by vehicle structure

Condition responsive

362 32, G02B 517

Patent

active

043753159

ABSTRACT:
Arc lamp illuminator which can be used in an optical device for the transfer of patterns, incorporating a mixed fibre bundle which intercepts in an image plane of the source part of the emitted radiation. The exit cross-section of the bundle is adapted to the degree of coherence of the desired illumination measured on the pupil of the optical transfer device. At the entrance, the fibres of the bundle are assembled into two separate bundles, whose ends are aligned with the maximum intensity zone formed in the image plane of the source.

REFERENCES:
patent: 3586562 (1971-06-01), Jones
patent: 3825336 (1974-07-01), Reynolds
patent: 4106078 (1978-08-01), Inoue
patent: 4206494 (1980-06-01), Lovering
patent: 4281366 (1981-07-01), Wurster et al.

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