LINEAR EXTENSION DEVICE FOR COHERENT OPTICAL WAVE PULSES AND EXTENSION AND COMPRESSION DEVICE USED TO OBTAIN HIGH POWER PULSES
Assignee
THOMSON-CSF
Filed
Nov 7, 1994
Granted
Oct 13, 1998
Location
CAGNES S/MER FR
Abstract
A device for linearly extending the duration of laser light pulses by subjecting the pulses to double diffraction based on a series of variable step gratings placed at right angles to each other. Increased power density is obtained by placing a compression grating at an angle such that each wavelength of light emerging from the compression grating travels an optical path of approximately the same distance, and focusing the emerging light with a lens. Increased amplification is obtained by placing a segmented laser amplifier, one segment aligned with each wavelength of light separated by the double diffraction of the series of variable step gratings and interposed between the series of variable step gratings and the compression grating.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 21, 1995
Rescinded
Jul 7, 1997
Duration
2 years, 3 months
Inventor
- 1PIERRE TOURNOIS
Record Details
- Patent number
- US 5822097
- Application
- 08336137
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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