Alternate oscillations of self-terminating and recombination lasers in univalent calcium and strontium ions |
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Authors: | Pan Bai-Liang Chen Gang Fang Ben-Min Mao Bang-Ning Yao Zhi-Xin |
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Affiliation: | Department of Physics, Zhejiang University, Hangzhou 310027, China |
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Abstract: | The univalent calcium and strontium ions have been confirmed as ideal lasing substances both for self-terminating laser and recombination laser by theoretically analysing their energy level structures and lasing mechanisms. With the optimization of the excitation circuit and the improvement of the laser cavity as well as the laser discharge tube, the alternate laser oscillations of the two laser mechanisms were successfully realized by longitudinal pulsed discharge in mixture vapours of helium and univalent ions of calcium or strontium, respectively. The dependences of laser performance on working parameters, together with the characteristics of the photoelectric pulse waveforms were elementally studied and analysed. |
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Keywords: | univalent calcium and strontium ions self-terminating laser recombination laser alternate laser scillations |
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