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Study on Optical Parametric Oscillator

Author: DuanLiHong
Tutor: DingYunFeng
School: Changchun University of Science and Technology
Course: Optics
Keywords: Optical Parametric Oscillator (OPO) angle-tuning phase-matching pumping source transfer efficiency
CLC: O437
Type: Master's thesis
Year: 2008
Downloads: 663
Quote: 3
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Abstract


Using optical parametric oscillator(OPO),we can get wide-range tunable、highly coherent radiant source,it has been widely used in comprehensive domain,such as laser ranging,medical diagnose and therapy,etc.with several decades’ development,it becomes mainstream of tunable laser technology.It is an efficient technical method of realizing tunable laser output.This article designed OPO-KTP optical parametric oscillator.It set out from principle of nonlinear optical tricrotism interaction,and based on both principle of optical parametric oscillation and principle of optical parametric oscillator designing.Under the condition of typeⅡphase matching,tunable curve of the wavelength,effective nonlinear coefficient, parametric gain vs.angle changing were obtained.So,the tuning spectrum and cut ting angle of the KTP was finally established as 1.09～1.22μm and 72.5°,respectively.According to interaction of double passing pumped SRO parameter,we developed the complete OPO system and related experiments with the whole system were finished.Finally we got useful experimental results.At the end of thesis,the factors that affect transfer efficiency and space model were analyzed.Against arisen problem,we provided solution and pointed out the next working.

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CLC: > Mathematical sciences and chemical > Physics > Optics > Nonlinear optical ( light and matter)
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