Patent ID: 9163905
Filing Date: 2015-10-20
Classification: F41G,G01S,Y10T

Abstract:
1. A dual-mode SAL/IR imaging seeker comprising: a focal plane array (FPA); an objective optical assembly providing a common optical path to the FPA for incident laser radiation of a first wavelength band and incident ambient radiation of a second wavelength band non-overlapping with the first wavelength band; a first optical filter operable to selectively pass the incident laser radiation of the first wavelength band to the FPA in a transmissive mode and selectively block the incident laser radiation of the first wavelength band from the FPA in a non-transmissive mode, wherein the first wavelength band is from 10 nm to 20 nm wide within a wavelength range from 700 nm to 1700 nm; and a second optical filter operable to selectively pass the incident ambient radiation of the second wavelength band to the FPA in a transmissive mode and selectively block the incident ambient radiation from the FPA in a non-transmissive mode, wherein the second wavelength band includes wavelengths in the range from 700 nm to 1700 nm not included in the first wavelength band.