Baffle for eliminating interference ring(s) from the output ligh

Details Baffle for eliminating interference ring(s) from the output ligh Baffle for eliminating interference ring(s) from the output ligh

1998-01-30

1999-10-26

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428134, 428 666, 428913, 313609, 313610, 313611, 313590, B32B 324, H01J 1704

Patent

active

059724692

ABSTRACT:
An improved baffle (24) for directing the light discharged from a deuterium lamp includes a plate-like member configured as a cylindrical segment (25), an aperture (27) provided through a central portion (26) of the member, and a flattened portion (26) about the aperture. The flattened portion is of such size and has a surface of such reflectivity as to substantially eliminate interference ring(s) of discontinuous light intensity from the light output of the lamp. A deuterium employing the improved baffle affords the advantage of markedly-increased light intensity, as compared with prior art baffles, at selected wavelengths.

REFERENCES:
patent: 4016445 (1977-04-01), Cassidy et al.
patent: 4611143 (1986-09-01), Shimazu et al.
patent: 5117150 (1992-05-01), Schwarz et al.
patent: 5552669 (1996-09-01), Ikedo et al.
patent: 5587625 (1996-12-01), Ikedo et al.
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patent: 5646487 (1997-07-01), Ikedo et al.
patent: 5684363 (1997-11-01), Ikedo et al.
patent: 5698945 (1997-12-01), Ikedo et al.
patent: 5864209 (1999-01-01), Clark
patent: 5886470 (1999-03-01), Smolka
Catalog "Deuterium Lamps and Power Supplies for UV Analytical Instruments", Imaging & Sensing Technology Corporation, Horseheads, NY 14845 (undated).

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