Coherent light generators – Particular component circuitry – Optical pumping
Patent
1984-08-27
1986-11-25
Sikes, William L.
Coherent light generators
Particular component circuitry
Optical pumping
372 18, 372 26, 372 31, 372 33, H01S 300
Patent
active
046253157
ABSTRACT:
Circuitry and apparatus for stabilizing the output of a laser diode when modulated with a wideband analog signal. The circuitry provides for continuous operation of the laser diode with a pin diode positioned for receiving a portion of the output from the laser diode via optics positioned between the laser diode and the pin diode. The optics includes a collimator, a linear polarizer and a polarization beam splitter. The circuitry includes a high gain amplifier which receives the analog signal with a compensating network connected between the amplifier output and the laser diode. The circuitry also has a feedback circuit portion including the pin diode connected to one input of the amplifier.
REFERENCES:
patent: 4109217 (1978-08-01), Brackett et al.
patent: 4237427 (1980-12-01), Holland
patent: 4347610 (1982-08-01), Meuleman
patent: 4369525 (1983-01-01), Breton et al.
patent: 4450564 (1984-05-01), Meuleman et al.
Lutz, et al; "Modulated Light Source for Recording with GaAlAs Lasers"; Jun. 1981.
Lemberger Richard R.
Schubert Paul C.
Tobin Steven R.
Marben Robert L.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Sikes William L.
Smith James A.
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