Single longitudinal mode laser without seeding

Details Single longitudinal mode laser without seeding Single longitudinal mode laser without seeding

1993-12-22

1995-05-02

Bovernick, Rodney B.

Coherent light generators

Particular beam control device

Mode discrimination

372 20, 372 38, H01S 3098

Patent

active

054126738

ABSTRACT:
The use of feedback circuit in a laser device with a frequency selective element such as an etalon allows for the production of a substantially single longitudinal mode output indefinitely. The feedback circuitry is adapted to adjust the length of the laser cavity so that a longitudinal mode of the laser device is near transmission peak of the frequency selective element.

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