The dissertation presents the characteristics of the pulse obtained from the purely and doubly Q-switching laser of groundfrequency, the doubly Q-switching laser of doubly frequency.
本论文我们主要研究了基频单调q、基频双调q及倍频双调q激光器的输出脉冲特性。
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These higher-frequency sounds do not travel as far, and so may better conceal the individuals producing them, who are especially vulnerable to predators in their ground nests.
To reach the ground state, physicists had to cool their beams to nearly absolute zero.They also had to make the quanta as large as possible by making a beam stiffer to increase its frequency.