High throughput illuminator

Details High throughput illuminator High throughput illuminator

1978-09-05

1980-06-03

Lechert, Jr., Stephen J.

Illumination

Revolving

362263, 362264, 362268, 362293, 362294, 362307, 362308, 362328, F21V 704

Patent

active

042064945

ABSTRACT:
A relatively high percentage of the light given off by a source lamp is gathered by four collector lens systems disposed around the lamp. The desired wavelength components of the light gathered by each lens system are directed by a dichroic mirror toward the system axis and into a respective focusing lens system, while longer wavelengths are transmitted by each mirror to a heat sink. The light from each focusing lens system is directed to the entrance face of a respective sub-bundle of a fiber optic combining system. The entrance face of each sub-bundle is inclined off axis to receive the incident light. The sub-bundles then bend and join each other in alignment with the system axis to transmit the combined light to a single exit face.

REFERENCES:
patent: 3971621 (1976-07-01), Buehler

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