Optical: systems and elements – Optical modulator – Light wave directional modulation
Patent
1998-04-15
2000-07-11
Epps, Georgia
Optical: systems and elements
Optical modulator
Light wave directional modulation
359308, 359311, 359285, G02F 133
Patent
active
06088150&
ABSTRACT:
A 3-channel modulation system for a high power laser and a modulation method for a high power laser are disclosed herein. In a preferred implementation, the modulation system includes a laser light source, a light modulator modulating the light generated from the laser light source and including a pair of electrodes having a predetermined area disposed on one side of the light modulator, an image signal generating sub-system, a drive circuit sub-system for operating the electrodes so that the image signal being generated from the image signal generating sub-system is provided through the electrodes to the light modulator, a first cylindrical lens positioned between the laser light source and the light modulator so that the area and form of the light generated from the laser light source are modified and the modified light enters the light modulator, and a second cylindrical lens positioned at an output side of the light modulator to modify the area and form of the light modulated by the light modulator. The method includes the steps of generating laser light from a laser light source, modulating the light generated from the laser light source, providing an electrode means image signal to electrodes of the light modulation means, the electrodes having a predetermined area, operating the electrodes, modifying the area and form of the light which is between the laser light source and the light modulation means and generated from the laser light source, and causing the modified light to enter the light modulation means, and modifying the area and form of the light which is output by the light modulator means.
REFERENCES:
patent: 3869197 (1975-03-01), Owens et al.
patent: 4112461 (1978-09-01), Owens
patent: 4541712 (1985-10-01), Whitney
patent: 4611245 (1986-09-01), Trias
patent: 4696551 (1987-09-01), Amano et al.
Cha Seung Nam
Kim Yong Hoon
Lee Hang Woo
Burke Margaret
Epps Georgia
Samsung Electronics Co,. Ltd.
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