Solid colloidal optical wavelength filter

Details Solid colloidal optical wavelength filter Solid colloidal optical wavelength filter

1990-05-30

1992-07-21

Ben, Loha

Optical: systems and elements

Absorption filter

Fluid

356334, 359885, 359569, 359573, 359900, G02B 524

Patent

active

051317362

ABSTRACT:
A solid colloidal optical wavelength filter includes a suspension of spheal particles dispersed in a coagulable medium such as a setting plastic. The filter is formed by suspending spherical particles in a coagulable medium; agitating the particles and coagulable medium to produce an emulsion of particles suspended in the coagulable medium; and allowing the coagulable medium and suspended emulsion of particles to cool.

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patent: 4627689 (1986-12-01), Asher
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