Ring cavity mode locking fiber laser
A fiber laser and ring cavity technology, used in lasers, laser parts, phonon exciters, etc., can solve the problem of not being able to develop the repetition frequency of optical frequency comb technology, so as to improve the repetition frequency, that is, the frequency interval, and improve the resolution. , the effect of shortening the cavity length
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[0040] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0041] A ring cavity mode-locked fiber laser capable of producing high repetition rate laser light according to an embodiment of the present invention, the ring cavity mode-locked fiber laser includes an optical isolator, a polarization control element, a first wavelength division multiplexing collimator 1 and a second wave Division multiplexing collimator 10.
[0042] The pigtail of each WDM collimator is a doped gain fiber or a common single-mode fiber, and the doped gain fiber can be highly doped or low doped with erbium, ytterbium, holmium, thulium and other rare earth elements. Its dispersion can be positive or negative.
[0043] Each wavelength division multiplexing collimator includes a double-tailed fiber optic collimator lens, and one end surface of the double-pigtailed fiber optic collimator lens is fixed with a wavelength division multiple...
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