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Mid-infrared femtosecond fiber laser source system

A femtosecond optical fiber and laser light source technology, applied in the field of lasers, can solve the problem of low conversion efficiency of Raman solitons, and achieve the effect of low conversion efficiency

Active Publication Date: 2020-11-06
苏州曼德特光电技术有限公司
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Problems solved by technology

[0005] An embodiment of the present invention provides a mid-infrared femtosecond fiber laser light source system to at least solve the technical problem of low conversion efficiency of Raman solitons

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0023] According to an embodiment of the present invention, an embodiment of a mid-infrared femtosecond fiber laser light source system is provided. Such as figure 1 As shown, the system includes:

[0024] The passively mode-locked fiber oscillator cavity 110 is configured as a dispersion-managed cavity for outputting high-order s...

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Abstract

The invention discloses a mid-infrared femtosecond fiber laser light source system. Among them, the system includes: a passive mode-locked optical fiber oscillator, which is configured as a dispersion management cavity, and is used to output high-order soliton pulses with positive chirp; a polarization mode dispersion controller, connected to the passive mode-locked optical fiber oscillator through an optical fiber, used It is used to apply polarization mode dispersion to the high-order soliton pulse for dispersion modulation, and output the dispersion-modulated high-order soliton pulse; the fiber amplifier is connected to the polarization-mode dispersion controller through an optical fiber to amplify the dispersion-modulated high-order soliton pulse and compression operation to realize the conversion of dispersion-modulated high-order soliton pulses to Raman soliton pulses; tellurium-based soft glass optical fibers are connected to fiber amplifiers through optical fibers to translate Raman soliton pulses to the mid-infrared band to obtain mid-infrared Tunable femtosecond Raman soliton pulses in the infrared. The invention solves the technical problem of low Raman soliton conversion efficiency.

Description

technical field [0001] The invention relates to the field of lasers, in particular to a mid-infrared femtosecond fiber laser light source system. Background technique [0002] Tunable high-energy mid-infrared femtosecond pulses have important application value in many fields such as biomedicine, biological imaging, mid-infrared nonlinearity, optical precision measurement, special gas detection, and material precision processing. At present, high-energy mid-infrared femtosecond pulses are mainly obtained by optical parametric oscillation (OPO / OPA), specific wavelength mid-infrared crystals (Fe:Znse, Cr:Znse) or soft glass fibers doped with erbium / thulium ions. Its acquisition method is complicated, the system is huge, the operation is difficult, and the cost is high. It is not suitable for large-scale promotion in many fields, which limits the application of mid-infrared femtosecond pulses in many fields. In recent years, with the development of nonlinear fiber optics, the r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/067H01S3/08H01S3/108
CPCH01S3/06725H01S3/08013H01S3/094046H01S3/06758H01S3/06708
Inventor 师红星张琦
Owner 苏州曼德特光电技术有限公司
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