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7177550 On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors  
The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at...
7072591 Processing of multiple wavelength signals transmitted through free space  
The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at...
7058306 Asymmetrical laser communication transceiver configuration  
The present invention is directed to a laser communication transmitter and receiver for wireless optical communication. The laser communication transmitter uses a small diameter so correspondingly...
6867889 Transceiver for a wireless optical telecommunication system  
A holographic optical element (HOE) device is mounted in wireless optical telecommunication system transceiver. The HOE device includes a developed emulsion material having an interference pattern...
6142633 Polarized light illuminator and projection type image display apparatus  
The polarized light illuminator of this invention includes: a light source; a first fly's eye lens and a second fly's eye lens disposed in this order from the light source; a polarization...
Matches 1 - 5 out of 5