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Linear cavity multi-wavelength Thulium-doped fiber laser based on m‑z interferometer

A fiber laser and linear cavity technology, applied in the field of optical information, can solve the problems of multi-wavelength thulium-doped fiber lasers with high threshold, complex structure, and poor stability, and achieve the effects of weakening mode competition, low threshold, and low cost

Active Publication Date: 2017-11-03
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology

[0005] In order to solve the technical problems of the existing multi-wavelength thulium-doped fiber laser with high threshold, poor stability and complex structure, the present invention proposes a linear cavity multi-wavelength thulium-doped fiber laser based on M-Z interferometer

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  • Linear cavity multi-wavelength Thulium-doped fiber laser based on m‑z interferometer
  • Linear cavity multi-wavelength Thulium-doped fiber laser based on m‑z interferometer
  • Linear cavity multi-wavelength Thulium-doped fiber laser based on m‑z interferometer

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, the linear cavity multi-wavelength thulium-doped fiber laser based on M-Z interferometer includes laser pump source 1, wavelength division multiplexer 2, single-mode thulium-doped fiber 3, first polarization controller 4-1, second polarization A controller 4-2, a first coupler 5-1, a second coupler 5-2, a polarization-maintaining thulium-doped fiber 6, and a circulator 7.

[0018] All components of the laser are connected by optical fiber fusion. The 1573nm laser pump source 1 is connected to the a-end of the wavelength division multiplexer 2, and the b-end of the wavelength division multiplexer 2 is connected to the end of the single-mode thulium-doped fiber 3. The c end of the multiplexer 2 is connected to one end of the first polarization controller 4-1, the other end of the first polarization controller 4-1 is connected to the d...

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Abstract

The linear cavity multi-wavelength thulium-doped fiber laser based on M-Z interferometer belongs to the field of optical information technology. The a end of the division multiplexer is connected, the b end and c end of the wavelength division multiplexer are respectively connected with the single-mode thulium-doped fiber and the first polarization controller, and the other end of the first polarization controller is connected with the first coupler d1 end connection, the d3 end of the first coupler is connected to the second polarization controller, the other end of the second polarization controller is connected to the polarization-maintaining thulium-doped fiber, the other end of the polarization-maintaining thulium-doped fiber is connected to the e1 end of the second coupler, the second The e2 end of the second coupler is connected to the d4 end of the first coupler, the e3 end of the second coupler is connected to the e4 end, the d2 end of the first coupler is used as the output end, the other end of the thulium-doped fiber is connected to the f1 end of the circulator connected, the f2 end of the circulator is connected with the f3 end to form an all-fiber laser linear cavity laser.

Description

technical field [0001] The invention relates to a linear cavity multi-wavelength thulium-doped fiber laser based on a Mach-Zehnder (M-Z) interferometer, belonging to the technical field of optical information. Background technique [0002] Thulium-doped fiber lasers work in the eye-safe band, and have good application prospects in the fields of lidar, remote sensing, medical treatment, free space optical communication, etc., and have become one of the most promising laser technologies today. [0003] Multi-wavelength thulium-doped fiber laser can replace the complex structure composed of multiple traditional lasers in wavelength division multiplexing, and meet the requirements of multiple channels at the same time, which can greatly simplify the system structure and reduce costs. [0004] At present, the invention and research on multi-wavelength thulium-doped fiber lasers are still in their infancy. The existing multi-wavelength thulium-doped fiber lasers mainly have the fo...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/067H01S3/136
Inventor 王天枢马万卓张鹏姜会林
Owner CHANGCHUN UNIV OF SCI & TECH
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