Active resonant cavity based self-similarity ultrashort pulse amplification system and working method therefor

A technology of ultrashort pulse and amplification system, which is applied to the structure/shape of optical resonators, laser components, electrical components, etc., and can solve problems such as self-focusing and mode instability effects, output spot quality degradation, and limitation of ultrashort pulses, etc. , to achieve the effects of improving amplification efficiency, suppressing pulse distortion, and improving applicability

Active Publication Date: 2016-04-06
CHONGQING INST OF EAST CHINA NORMAL UNIV
View PDF8 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing self-similar amplifiers require the pulse to pass through a sufficiently long gain fiber, and form a self-similar evolution under the combined effects of positive dispersion, nonlinear effects, and gain
However, the existing gain fibers, such as single-mode gain fibers, double-clad fibe

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Active resonant cavity based self-similarity ultrashort pulse amplification system and working method therefor
  • Active resonant cavity based self-similarity ultrashort pulse amplification system and working method therefor
  • Active resonant cavity based self-similarity ultrashort pulse amplification system and working method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: as figure 1 As shown, the present embodiment specifically relates to a self-similar ultrashort pulse amplification system based on an active resonator and a working method thereof. The self-similar ultrashort pulse amplification system includes an optical frequency comb generator 100 connected in sequence, a pre-chirp The chirp management device 200 , the active optical resonant cavity 300 and the dispersion compensation device 600 , and the active optical resonant cavity 300 is also connected with an electronic control circuit 400 and a pump laser 500 . in:

[0029] The optical frequency comb generator 100 can be any ultrashort pulse laser whose repetition rate and carrier envelope frequency offset frequency are locked to 0, including titanium-doped sapphire (Ti:S) lasers, neodymium-doped, ytterbium-doped, erbium-doped, Thulium-doped fiber (Nd, Yb, Er, Tm-dopedfiber) laser, chromium-doped forsterite laser (Cr:Mg 2 SiO 4 ) and other ultrashort pulse las...

Embodiment 2

[0040] Embodiment 2: as figure 2 As shown, the present embodiment specifically relates to a self-similar ultrashort pulse amplification system based on an active resonator and a working method thereof. The self-similar ultrashort pulse amplification system includes an optical frequency comb generator 100 connected in sequence, a pre-chirp The chirp management device 200 , the active optical resonant cavity 300 and the dispersion compensation device 600 , and the active optical resonant cavity 300 is also connected with an electronic control circuit 400 and a pump laser 500 . in:

[0041] The pre-chirp management device 200 is composed of a chirp mirror 201 and a chirp mirror 202;

[0042] The active optical resonator 300 includes an input coupling mirror 301, a nonlinear crystal 307, an output mirror 302, a curved mirror 303, a polarization control device 308, a gain medium 305, and a curved mirror 304 connected sequentially on the optical path. The lumen length control dev...

Embodiment 3

[0050] Embodiment 3: as image 3 As shown, the present embodiment specifically relates to a self-similar ultrashort pulse amplification system based on an active resonator and a working method thereof. The self-similar ultrashort pulse amplification system includes an optical frequency comb generator 100 connected in sequence, a pre-chirp The chirp management device 200 , the active optical resonant cavity 300 and the dispersion compensation device 600 , and the active optical resonant cavity 300 is also connected with an electronic control circuit 400 and a pump laser 500 . in:

[0051] The optical frequency comb generator 100 uses an ytterbium-doped fiber optic comb with a center wavelength of 1035nm, a spectral width of 30nm, a pulse width of 130fs, and an output power of 1W as a seed source;

[0052] The pre-chirp management device 200 is composed of an acousto-optic frequency shifter 203, an isosceles prism 204, an isosceles prism 205, a height mirror 206 and a mirror 20...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Login to view more

Abstract

The invention discloses an active resonant cavity based self-similarity ultrashort pulse amplification system and a working method therefor. The self-similarity ultrashort pulse amplification system is characterized by comprising an optical frequency comb-shaped generator, a pre-chirping management apparatus, an active optical resonant cavity and a dispersion compensation apparatus that are connected in sequence, wherein the active optical resonant cavity is also connected with an electronic control circuit and a pump laser. The active resonant cavity based self-similarity ultrashort pulse amplification system has the advantages that an outer cavity enhancement technique is adopted, so that the self-similarity amplification for the ultrashort pulse is realized by using solid gain mediums, and the gain narrowing is overcome; the nonlinear widening of spectrum in the amplification process is realized, the pulse contract ratio is improved, and the problems of unstable modes, self-focusing and the like existing in the high-power amplification process of an optical fiber amplifier are effectively restrained; and the self-similarity ultrashort pulse amplification system is used as a reliable scientific research tool for researching high-field laser physics and non-linear optics.

Description

technical field [0001] The invention belongs to the field of ultrafast laser technology, and in particular relates to a self-similar ultrashort pulse amplification system based on an active resonant cavity and a working method thereof. Background technique [0002] With the rapid development of laser technology, ultra-short pulse light sources with extremely high peak power and extremely narrow pulse width have directly brought research and industrial production into the field of microscopic ultrafast processes. In recent years, with the reduction of laser pulse width to tens of femtoseconds or even several femtoseconds, ultrashort pulses play an increasingly important role in the fields of optical fiber communication, nonlinear optics, optical sensing, micro-nano processing, medical treatment, and laser measurement. important role. [0003] The current high peak power ultrashort pulse laser amplification system mainly uses chirped pulse amplification technology (CPA chirpe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01S3/08H01S3/094H01S3/00
CPCH01S3/0057H01S3/08H01S3/094
Inventor 刘洋李文雪王超罗大平曾和平
Owner CHONGQING INST OF EAST CHINA NORMAL UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap