Vacuum ultraviolet reflectance filter

Details Vacuum ultraviolet reflectance filter Vacuum ultraviolet reflectance filter

1980-11-10

1983-10-11

Henry, Jon W.

350166, G02B 528

Patent

active

044088256

ABSTRACT:
A reflector which particularly reflects light at a selected peak wavelength in the vacuum ultraviolet (VUV) region and which absorbs light outside the VUV, particularly in the visible light region consists of a reflective surfaced substrate such as polished aluminum, a dielectric layer over the reflective surface, and a thin film of one or more of the six, non-radioactive metals tungsten, rhenium, osmium, iridium, platinum and gold. The thickness of the dielectric spacer layer is approximately one fifth that of the selected peak wavelength, and a second dielectric layer of the same thickness may be applied over the metallic thin film.

REFERENCES:
Spiller, E., Applied Optics, vol. 15, No. 10, Oct. 1976, pp. 2333-2338.
Hunter, W. R., Optica Acta, vol. 9, No. 3, Jul. 1962, pp. 255-268.
Sorokin et al., O. M., Optical Tech., vol. 37, No. 6, Jun. 1970, pp. 343-346.
Schroeder, D. J., Jour. of the Optical Soc. of America, vol. 52, No. 12, Dec. 1962, pp. 1380-1386.

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