Laser energy control circuit
Patent
·
OSTI ID:6798412
A laser energy control circuit for a gas-discharge excited laser includes an energy source psu to supply energy to the gas discharge. First circuit means tr1, tr2 operate to limit the energy supplied to a first value for a first time interval, after which second circuit means a1, a2 allow the energy to rise to a maximum value and then decrease gradually to a second value over a second time interval. Subsequently, third circuit means including amplifiers a3 to a6 operate to maintain the light output of the laser at a desired value.
- Assignee:
- Ferranti Ltd (United Kingdom)
- Patent Number(s):
- US 4345330
- OSTI ID:
- 6798412
- Resource Relation:
- Patent Priority Date: Priority date 17 Apr 1979, United Kingdom of Great Britain and Northern Ireland (UK); Other Information: PAT-APPL-140007
- Country of Publication:
- United States
- Language:
- English
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