Multiple diode lasers stabilized with a fiber grating

Details Multiple diode lasers stabilized with a fiber grating Multiple diode lasers stabilized with a fiber grating

1995-03-30

1996-12-31

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

372102, 356 33, G02F 101

Patent

active

055896847

ABSTRACT:
A fibre Bragg grating is used to stabilize the intensity and frequency fluctuations of two diode lasers simultaneously. The polarized optical output from the diode lasers is collimated and directed through a beam combiner device which combines the separate beams into a single beam, thus summing the optical power. The combined beam is directed into an optical fibre containing a fibre Bragg grating which reflects a fraction of the light back into each diode laser to cause low-coherence, stable operation of each laser.

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