A yvo-based 4 -sio 2 fiber optic Raman laser
A technology of Raman laser and fiber grating, which is applied in the direction of laser scattering effect, manufacturing tools, glass manufacturing equipment, etc., which can solve the problems of limiting the development of solid-state Raman lasers, reducing output power, and degrading the stability of Raman lasers.
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Embodiment 1
[0034] This embodiment is based on YVO 4 -SiO 2 Fiber-optic Raman lasers are structured as figure 1 shown.
[0035] A YVO-based 4 -SiO 2 Fiber Raman laser, including the first pump laser 1, the fiber isolator 2, the first fiber grating 3, the first YVO arranged in sequence along the optical path 4 -SiO 2 Optical fiber 4, second fiber grating 5, first optical fiber wavelength division multiplexer 6, second optical fiber wavelength division multiplexer 8, second YVO 4 -SiO 2 Optical fiber 9 and the third optical fiber wavelength division multiplexer 10; the first fiber grating 3 and the second fiber grating 5 form a Raman laser cavity, and the second optical fiber wavelength division multiplexer 8 is connected with a second pump Pump laser 7; second fiber wavelength division multiplexer 8, second pump laser 7, second YVO 4 -SiO 2 The optical fiber 9 and the third optical fiber wavelength division multiplexer 10 form a Raman amplification structure.
[0036] YVO describ...
Embodiment 2
[0053] The difference between the first pump laser and the second pump laser as described in Embodiment 1 is that the wavelength of the pump laser is 976nm;
[0054] The optical fiber isolator as described in embodiment 1, the difference is that the central wavelength of the optical fiber isolator is 976nm;
[0055] The first optical fiber wavelength division multiplexer, the second optical fiber wavelength division multiplexer and the third optical fiber wavelength division multiplexer as described in embodiment 1, the difference is that the central wavelength of wavelength division multiplexing is 976nm / 1068nm , with a bandwidth of 30nm.
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