Wavelength converter apparatus

Details Wavelength converter apparatus Wavelength converter apparatus

2008-04-30

2009-11-17

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S022000

Reexamination Certificate

active

07620079

ABSTRACT:
A compact apparatus is provided for stably converting a wavelength of a laser diode with the use of an optical fiber and a wavelength selective device. Employing a bulk type element as a wavelength selective device makes the action of controlling the temperature of the device easy, and can stabilize the wavelength emitted from the laser diode.The optical fiber (2) is placed between the output side of a laser diode (1) and a wavelength selective device (5) of bulk type.While the optical fiber (2) is arranged compact in the form of a coil, the length of an extra-cavity defined by the wavelength selective device (5) is sufficiently longer than the coherence length. Accordingly, the action of stably converting the wavelength can be carried out by the compact apparatus.

REFERENCES:
patent: 5485481 (1996-01-01), Ventrudo et al.
patent: 5691989 (1997-11-01), Rakuljic et al.

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