FABRY-PEROT INFRARED MULTIWAVELENGTH OPTICAL FILTER
Assignee
US Government
Filed as: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
Filed
Jul 29, 1983
Granted
Dec 1, 1998
Location
OAKTON VA US
Abstract
An optical material having an index of refraction dependent on wavelength of incident radiation is used between the reflectors of an off-normal Fabry-Perot cavity used as an interference filter. External to the cavity, and in the direction of incident radiation, another optical material having an index of refraction dependent on wavelength of radiation is placed. The incident radiation is thus refracted into and within the cavity dependent on its wavelength. By proper choice of the indices of refraction, and other variables, the filter may be designed to exactly match the output spectrum of a line spectrum laser, and to transmit all spectral lines of the laser, but to reflect all other radiation of interest.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 19, 1986
Rescinded
Feb 12, 1998
Duration
11 years, 11 months
Inventor
- 1RICHARD R. SHURTZ
Record Details
- Patent number
- US 5844735
- Application
- 06520268
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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