Laser
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United States of America Patent
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-
Nov 3, 1998
Grant Date -
N/A
app pub date -
Oct 10, 1995
filing date -
Mar 25, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A laser having two feedback elements at least one which is wavelength selective, is provided with a demountable optical connector located between the gain medium of the laser and the wavelength selective feedback element. An optical waveguide is utilized to direct optical radiation between the demountable optical connector and the wavelength selective feedback element. The demountable optical connector, for example, a mechanical fibre connector allows the wavelength selective feedback element, for example, a fibre grating, to be exchanged cheaply, simply and quickly, and thus allows the wavelength of operation of the laser to be altered.
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