Dynamics of End Pump NdYVO4 Laser with Large Pumping Spot Size around Degenerate Cavity

碩士 === 國立交通大學 === 光電工程系所 === 92 === The behavior of the axially pumped Nd:YVO4 laser with large pumping spot size is experimently and numerically studied. We show that the instability of this laser system is due to transverse mode beating. We found that there is a V-shaped second threshold of quasi...

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Bibliographic Details
Main Authors: Guo-Chang Li, 李國昶
Other Authors: Wen-Feng Hsieh
Format: Others
Language:en_US
Published: 2004
Online Access:http://ndltd.ncl.edu.tw/handle/25883828023799474144
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Summary:碩士 === 國立交通大學 === 光電工程系所 === 92 === The behavior of the axially pumped Nd:YVO4 laser with large pumping spot size is experimently and numerically studied. We show that the instability of this laser system is due to transverse mode beating. We found that there is a V-shaped second threshold of quasi-periodic which agrees with our simulation result. The character of the V-shaped depends on both the pumping power and pumping spot size. In addition, we also observed several kinds of laser dynamics and the instability regions they exit, such as chaos, modulated pulsation, and quasi-period.