Light distribution and collection assemblies and methods

Details Light distribution and collection assemblies and methods Light distribution and collection assemblies and methods

1983-01-31

1986-03-18

Sikes, William L.

350 9615, 350173, G02B 5172

Patent

active

045764360

ABSTRACT:
A method and apparatus for uniformly distributing a substantially parallel beam of light along a light conducting distribution rod of fixed length is demonstrated using a series of imbedded beam splitting mirrors. The light distribution rod may have a wide variety of light distribution properties and may be bent into circular configurations. Also a method and light collection assembly is disclosed which use a series of mirrors to collect parallel or diverging light and redirect it into a narrow beam of parallel light. The collection is accomplished by spiral or asymptotic mirror surfaces which funnel the light by means of converging multiple reflections into a designated output pattern. A multiple channel optical fiber rotatable connector is a principle example of a device which employs both the light distributing and light collecting assemblies. This connector passes light between two relatively rotating sections.

REFERENCES:
patent: 1320625 (1919-11-01), Kunz
patent: 2279288 (1942-04-01), Orbeck
patent: 4109997 (1978-08-01), Iverson
patent: 4398791 (1983-08-01), Dorsey
patent: 4401360 (1983-08-01), Streckmann et al.
patent: 4460242 (1984-07-01), Birch et al.

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