Wavelength tuning apparatus and method thereof

Details Wavelength tuning apparatus and method thereof Wavelength tuning apparatus and method thereof

2008-07-14

2011-12-06

Amari, Alessandro (Department: 2872)

Coherent light generators

Particular beam control device

Tuning

Reexamination Certificate

active

08073020

ABSTRACT:
A wavelength tuning apparatus and method that maintain highest efficiency with a single angle manipulation without changing a position of input/output light. For this, the wavelength tuning apparatus and method include a transmission-type diffraction grating and a mirror that are constructed in one-body type so that a light path that enables an optimal efficiency diffraction angle of the diffraction grating can be formed, and rotates the one-body construction to obtain a desired wavelength. Accordingly, efficiency and precision of manipulation and control can be increased, and costs can be reduced.

REFERENCES:
patent: 3600093 (1971-08-01), McMahon
patent: 2003/0081638 (2003-05-01), Hamster et al.
patent: 2007/0160325 (2007-07-01), Son et al.
patent: 2009/0207871 (2009-08-01), Koshimae et al.

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