Birefringent Tuners

Device for Wavelength tuning of lasers based on Birefringence and Polarization rotation.

Birefringent tuners are optical Filter devices used in a Laser Resonator for tuning of the output wavelength and/or for narrowing the optical bandwidth. There are different tuner designs, all exploiting the birefringence of some optically anisotropic crystalline plates. A laser containing such a filter will typically operate at a wavelength near a point with minimum Transmission loss, if the filter curve is sufficiently sharp. The wavelength of minimum Loss can be shifted by modifying the tilt angle of the Birefringent filter via a micrometer screw.

Related Terms
Birefringent,   Birefringent Phase Matching,   Birefringent Tuners,  

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