Changchun New Industries Optoelectronics Technology Co., Ltd.
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Contact CNI
Tel: +86-431-85603799 / 89216078
国内: 0431-87020257 / 89216068
Fax:    +86-431-89216068
E-mail:  sales@cnilaser.com
 

Laser Frequency Doubling Experiment

 
  Knowledge Introduction
 
In nonlinear optics, the phase matching angle of nonlinear optical crystal has important influence on conversion efficiency and stability of frequency doubling light. This is the typical experiment to study the phase matching angle of nonlinear optical crystal in nonlinear theory. By analyzing the results of frequency doubling light power measurement for different incidence angles of KTP validates that the relation to frequency doubling efficiency along with the change of phase mismatching angle.
 

    Main points:
    The concept of phase matching angle (θ,φ)

     Three-wave interaction efficiency:η=η0sinc2(ΔΚl/2)

     External cavity frequency doubling, factors that influence efficiency of frequency doubling

     Characteristics of class I and II phase matching crystal

 
Laser frequency doubling experiment experiment result
Experimental device Experiment result
 
  Related Courses
     Principles of Laser, Non-linear Optics, Laser Optics, All Solid State Laser and Nonlinear Optical Frequency Conversion Technology
 
  Basic Configurations
 

Name

Specifications

Laser

Q-switched laser, Wavelength:1064nm(Include current source)

Focusing lens

f=80mm (with high transmittance film of 1064nm)

Crystal

KTP, II phase matching (LBO, I phase matching, selectable)

Filter With high-reflectivity film of 1064nm and high transmittance film of 532nm

Power meter

Detection wavelength coverage: 0.19-25um, Sensitivity: 10mW, Uncertainty<2%

Others

Slideway, lens and crystal base, adjusting bracket, optical universal stage (0-360°), Infrared display card, laser goggle etc.

 
 Expanding Experiments    Applications of Instrument
     

  Experiments of laser frequency doubling and sum-frequency

  355nm/266nm UV laser output experiment

  Detection of crystal (KTP、LBO、BBO etc.) processing error

 

  Teaching experiment and research applications

  Research on characteristics of class I and II phase matching
    crystal

  The cutting angle error detection of nonlinear optical crystal

 
 

Addr: No.888 Jinhu Road High-tech Zone,Changchun 130103, P.R.China

Tel:+86-431-85603799     Fax:+86-431-89216068     E-mail: sales@cnilaser.com

 
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