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Visible light strengthened super continuous spectrum laser system with all-optical-fiber structure

A supercontinuum laser and visible light technology, applied in the field of visible light enhanced supercontinuum laser system, can solve the problems of low coupling efficiency, bulky high-power laser coupling device, limited spectral range, etc., and achieve high coupling efficiency and small volume. , Engineering reliable effect

Inactive Publication Date: 2010-07-07
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The purpose of the present invention is to provide a visible light enhanced supercontinuum laser system with an all-fiber structure, which solves the technical problems of high-power laser coupling devices in the background technology, such as bulky volume, low coupling efficiency, and limited spectral range.

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  • Visible light strengthened super continuous spectrum laser system with all-optical-fiber structure

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[0013] see figure 1 ,

[0014] A visible light enhanced supercontinuum laser system with an all-fiber structure, comprising a fiber mode-locked laser 1, a single-mode fiber amplifier 2 connected to the output of the fiber mode-locked laser 1 through an optical fiber, and an output of the single-mode fiber amplifier 2 through an optical fiber Connected optical isolator 3, the output of the optical isolator 3 is connected to the double-clad fiber amplifier 4 through the optical fiber, the system also includes a nonlinear photonic crystal fiber 6, the output end of the double-clad fiber amplifier 4 and the nonlinear photonic crystal The input end of the optical fiber 6 is fused through the pulley optical fiber 5 . There are two or more nonlinear photonic crystal fibers 6 , which are welded to each other and decrease step by step along the zero dispersion wavelength.

[0015] It works as follows:

[0016] The seed light source of the system adopts a self-made "8" cavity mode-lo...

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Abstract

A visible light strengthened super continuous spectrum laser system with an all-optical-fiber structure comprises an optical fiber mode-locked laser, a single mode fiber amplifier, an opto-isolator, a double cladding fiber amplifier, a nonlinear photonic crystal fiber. The single mode fiber amplifier is connected with the output of the optical fiber mode-locked laser through an optical fiber; the opto-isolator is connected with the output of the single mode fiber amplifier through the optical fiber; the double cladding fiber amplifier is connected with the output of the opto-isolator through the optical fiber; and an output end of the double cladding fiber amplifier is connected with an input end of the nonlinear photonic crystal fiber through a pulling optical fiber. The system of the invention solves the technical problems that the high-power laser coupling device of the background art has huge volume, low coupling efficiency and limited spectral region. The system has the advantages of simple structure, small volume, high coupling efficiency, reliable engineering, capability of covering the visible light wave band and the like.

Description

technical field [0001] The invention relates to the field of lasers, in particular to a visible light enhanced supercontinuum laser system with an all-fiber structure. Background technique [0002] When laser pulses are transmitted in highly nonlinear media, various nonlinear effects will occur, which broaden the spectrum to hundreds of nanometers or even wider. This extreme spectrum broadening phenomenon is called the generation of supercontinuum. Compared with other light sources, the supercontinuum light source has many advantages such as continuum bandwidth, stability and reliability, and good coherence. Supercontinuum laser has very important application value in many aspects such as biomedicine, optical metrology, optical communication, coherence measurement, optical display and spectral analysis. The supercontinuum in the visible light band is of inestimable value in the fields of laser display, biological spectrum analysis, and photoelectric countermeasures. Compar...

Claims

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Application Information

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IPC IPC(8): G02F1/35G02F1/365G02B6/02G02B6/255
Inventor 王屹山赵卫杨直张伟方平
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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