A Supercontinuum Light Source and Coherent Anti-Stokes Raman Scattering Imaging System

A supercontinuum light source and supercontinuum technology, applied in the field of supercontinuum light source and coherent anti-Stokes Raman scattering imaging system, can solve the problem of poor time-spectrum consistency of supercontinuum light source and achieve good flatness And the effects of continuity, wide application, and relatively small time delay
CN103219638BInactive Publication Date: 2016-02-03SHENZHEN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN UNIV
Publication Date
2016-02-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention belongs to the technical field of photoelectricity, and provides a super-continuum spectrum light source and a coherent anti Stokes Raman scattering imaging system. The super-continuum spectrum light source comprises a laser which is used for generating laser pulses, and a super-continuum spectrum is generated through laser pulse pumping full-orthochromatic scattered photon crystal optical fibers. Due to the fact that the super-continuum spectrum is generated through the laser pulse pumping full-orthochromatic scattered photon crystal optical fibers, a single pulse is kept in a time domain, good flatness and continuity exist in a frequency domain, and high light spectrum power density is provided. Meanwhile, relative time delay between light spectrum components of different frequency is short, the spectrum consistency is good, and the light spectrum range is wide. Therefore, the super-continuum spectrum produced by the super-continuum spectrum light source is wide in application range.
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Description

Technical field

[0001] The invention belongs to the field of optoelectronic technology, and in particular relates to a supercontinuum light source and a coherent anti-Stokes Raman scattering imaging system. Background technique

[0002] When a high-power ultrashort pulse passes through an optical medium with nonlinear effects, under the action of various nonlinear effects in the medium, many new frequency components will be generated in the spectrum of the transmitted pulse, making the output pulse spectral width much larger than the laser Pulse to obtain a supercontinuum spectrum.

[0003] The transmission equation of optical pulse in nonlinear optical fiber can be described by nonlinear Schrodinger equation:

[0004] ∂ A ∂ z + 1 2 ( α ( ω 0 ) + i α 1 ∂ ∂ t ) A + X n ≥ 1 β n i n - 1 n ! ∂ n ∂ t n = i ( γ ( ω 0 ) + i γ 1 ∂ ∂ ...

Claims

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