Study of characteristics and chaos in Nd:YAG laser with bipolarization

• Main Authors: Tien-HsienLai, 賴典賢
• Other Authors: Ming-Da Wei
• Format: Others
• Language: zh-TW
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/48456322879181179977

碩士 === 國立成功大學 === 光電科學與工程學系 === 101 === Characteristics and dynamic behaviors of the bipolarized Nd:YAG laser using pump modulation were studied. Three relaxation oscillation frequencies exist in the bipolarized lasing regime, in which the highest frequency corresponds to the typical relaxation oscillation frequency and the other are responsible for the antiphase dynamics of orthogonally polarization modes. The antiphase mode disappeared as the low pump power. When the modulation frequency approached to the typical relaxation oscillation frequency, the period-doubling route to chaos was observed. The average oscillating frequencies of the output intensity in both orthogonal polarizations were near the modulation frequency. On the contrary, the average frequencies in two polarizations would be different when the modulation frequency approached to the frequency of the antiphase mode. Moreover, the synchronization of the intensities between two orthogonal polarizations were analyzed and discussed by Correlation between Probabilities of Recurrence method.