MODE-LOCKED ACTIVE GYRO SOLID STATE LASERS
Assignee
HONEYWELL INC. A CORPORATION OF DE
Filed
Jun 28, 1991
Granted
Nov 8, 1994
Location
Albuquerque NM (Kirtland AFB/Sandia)
Abstract
A ring laser gyro that minimizes and avoids the effects of lock-in and backscatter. A ring laser is pumped in a lasing cavity with a mode-locked laser. Dual counterrotating pumped pulses are precisely positioned to avoid overlay in optical elements that contribute to lock-in and backscatter. The position of the stimulated counter rotating laser beams is controlled by two methods. In the first method the pumped pulses are synchronized with a wave propagation delay line. In the second method the pumped pulses are chopped by an acousto-optic modulator shutter to precisely time the location of the pumped pulses. Both methods are can be combined to achieve a hybrid synchronized and acousto-optic modulated approach.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Feb 11, 1992
Rescinded
Apr 21, 1994
Duration
2 years, 2 months
Inventor
- 1JEAN-CLAUDE M. DIELS
Sensitive facility: Albuquerque NM (Kirtland AFB/Sandia)
Record Details
- Patent number
- US 5363192
- Application
- 07722754
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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