Coherent light generators – Particular component circuitry – Optical pumping
Patent
1994-08-01
1995-10-31
Bovernick, Rodney B.
Coherent light generators
Particular component circuitry
Optical pumping
H01S 300
Patent
active
054636485
ABSTRACT:
A diode laser apparatus is heated at its junction by operating the diode at subthreshold current levels. A special bi-level pulse forming network (PFN) improves the efficiency in preheating the diode during non-operating or non-light producing modes along with the ability to supply the necessary drive during operating or light producing modes. This is accomplished by operating the laser diode at subthreshold or non-light producing current levels, which heats the diode at the diode junction directly where the heat is needed, and by the use of a bi-level pulse forming network which transfers the heating energy to the diode junction with high efficiency.
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Bovernick Rodney B.
Hobby III William M.
Litton Systems Inc.
Wise Robert E.
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