Method for producing a tunable erbium fiber laser

Details Method for producing a tunable erbium fiber laser Method for producing a tunable erbium fiber laser

1991-07-17

1992-10-27

Scott, Jr., Leon

Coherent light generators

Optical fiber laser

372 20, 372 34, 372 39, 372102, H01S 330

Patent

active

051596016

ABSTRACT:
A laser cavity is formed from two mirrors and an erbium fiber gain medium. One mirror is a dichroic mirror and the other is formed by a grating. The grating period determines the wavelength of light that is reflected, and can be changed by physically stretching or constricting the substrate to which the grating is attached. In one embodiment, the laser is tuned by adjusting the dimensions of the grating using a heating element. In another embodiment, the dimensions of the grating are adjusted using a piezoelectric ceramic material to which the grating is mounted.

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