Optics: measuring and testing – By particle light scattering – With photocell detection
Patent
1996-08-05
1997-10-07
Font, Frank G.
Optics: measuring and testing
By particle light scattering
With photocell detection
356345, 359634, 359583, G01B 902, G02B 110
Patent
active
056754140
ABSTRACT:
The invention disclosed relates to an interferometer for the far-infrared which provides a high operating efficiency over the spectral range of 50 to 1000 cm.sup.-1. The beamsplitter component comprises a composite of a thin, substantially uniformly thick synthetic resin film having low far-infrared absorption, selected from polyethyleneterephthalate and polypropylene, and a thin substantially uniformly thick coating of germanium. An improved interferometer including a beamsplitter formed of the composite is also disclosed.
REFERENCES:
patent: 5587831 (1996-12-01), Simon et al.
Rowell Nelson L.
Wang Edward A.
Anderson J. Wayne
Font Frank G.
Merlino Amanda
National Research Council of Canada
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