Apparatus and method for precisely wavelength-tuning single long

Coherent light generators – Particular beam control device – Q-switch

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372 20, 372102, 372 54, 372100, H01S 311

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active

055508502

ABSTRACT:
An apparatus and a method for precisely wavelength-tuning single longitudinal mode tunable laser beams by utilizing a wedge prism are disclosed in which, instead of a tuning mirror, a prism is rotated, so that a single longitudinal mode can be maintained without causing a mode hopping of the longitudinal mode, thereby precisely tuning the wavelength. That is, a wedge prism 4 is inserted into the single longitudinal mode tunable laser resonator, and the prism is rotated, thereby precisely tuning the wavelength of the laser beams.

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