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Super-continuum spectrum laser light source

A technology of supercontinuum laser and laser light source, which is applied in the field of laser devices and can solve the problems of low conversion efficiency of laser output

Active Publication Date: 2020-07-07
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a supercontinuum laser light source, which solves the problem of low laser output conversion efficiency of the existing ultra-broadband supercontinuum laser light source

Method used

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  • Super-continuum spectrum laser light source
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  • Super-continuum spectrum laser light source

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Embodiment Construction

[0020] The present invention will be described in detail below with reference to the examples, but the present invention is not limited to these examples.

[0021] Embodiments of the present invention provide a supercontinuum laser light source, such as figure 1 As shown, it includes: a laser pump source 1; a lens group 2, the lens group 2 is arranged on the exit light path of the laser pump source 1, and is used for collimating and focusing the exit light of the laser pump source 1; a thin film waveguide device 3 , the thin film waveguide device 3 is arranged on the outgoing light path of the lens group 2, and the light incident into the thin film waveguide device 3 can be emitted after a nonlinear effect occurs in the thin film waveguide device 3; the thin film waveguide device 3 includes a polarized crystal 31, and the polarized Crystal 31 is a chirped domain structure.

[0022] Among them, the laser pump source 1 is commonly used as a near-infrared supercontinuum laser pu...

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PUM

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Abstract

The invention discloses a super-continuum spectrum laser light source, belongs to the technical field of laser devices, and solves the problem of low laser output conversion efficiency of an existingultra-wideband super-continuum spectrum laser light source. The super-continuum spectrum laser light source comprises: a laser pumping source; a lens group which is arranged on the emergent light pathof the laser pumping source and is used for collimating and focusing the emergent light of the laser pumping source; and a thin-film waveguide device which is arranged on an emergent light path of the lens group, wherein light entering the thin-film waveguide device can be emitted out after a nonlinear effect occurs in the thin-film waveguide device, the thin-film waveguide device comprises a polarized crystal, and the polarized crystal is of a chirped domain structure. The super-continuum spectrum laser light source is used for generating the super-continuum spectrum laser.

Description

technical field [0001] The invention relates to a supercontinuum laser light source, belonging to the technical field of laser devices. Background technique [0002] With the continuous development of science and technology, the supercontinuum, which has the advantages of wide spectral width, good spatial coherence, and high brightness, is playing an increasingly important role in the fields of biomedical research, environmental monitoring, optical precision measurement, material processing, and national defense security. role. At present, there are supercontinuum light sources in the ultraviolet, visible, near-infrared, and mid-infrared bands, as well as ultra-broadband supercontinuum light sources that can simultaneously cover the visible, near-infrared, and mid-infrared bands. towards commoditization. [0003] In practical applications, due to the wider spectral width of the ultra-broadband supercontinuum light source that can simultaneously cover the visible, near-infr...

Claims

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Application Information

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IPC IPC(8): H01S3/00H01S5/00
CPCH01S3/0092H01S3/0057H01S5/0092H01S5/0057
Inventor 陈怀熹梁万国张新彬冯新凯李广伟古克义黄玉宝
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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