从优化设计的角度求出了光栅的最佳参数以及干涉仪三束光的最佳光强之比；

The optical parameters of grating and intensity ratio among three beams in interferometer are derived from the view of optimization design.

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量子光场主要存在三种非经典效应：光子反聚束、亚泊松分布和压缩效应。

There are three main non-classical features for quantum field, i. e. photon anti-bunching effect, sub-Poissonian statistics distribution, and squeezing effects.

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从光耦合、配置分支纤维束和优选光导纤维束三个方面论述提高光传输效率的途径。

In additon, ways to raise the efficiency of the illumination transmission are also stated in the following three aspects: photoimpact, distributed branch fibre beams and optimum optical fibre beams.

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