Combination lamp and integrating sphere for efficiently coupling

Details Combination lamp and integrating sphere for efficiently coupling Combination lamp and integrating sphere for efficiently coupling

1991-12-12

1993-12-28

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

313567, 313634, 313639, 362 32, 362263, 362296, 362347, G02F 11335, H01J 1716, H01J 1720, F21V 700

Patent

active

RE0344923

ABSTRACT:
A [collimated] light source is provided which combines the functions of lamp and integrating sphere into one unit for efficiently coupling radiant energy from a gas discharge to a lightguide. The light source is electrodeless and comprises an integrating sphere coated with a light-reflective material and containing a gaseous fill. To excite a discharge current in the fill, the sphere is encircled by a coupling coil driven by an RF power source, or the sphere is enclosed in a microwave cavity. Light exits from the sphere through a light-transmissive window to a lightguide.

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Brown, Earl B. Modern Optics, N.Y. Reinhold Publishing Corporation, 1966, Chapter 10, pp. 522-537.
Smith, Warren J., Modern Optical Engineering, 2d. Edition, McGraw-Hill & Company, 1990, Chapter 9, pp. 262-265.

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