正确选取全息片的偏置透射率，可使反射显示的衍射效率接近或略高于透射显示的衍射效率。
A properly choiced bias transmittance of the hologram can lead to a diffraction efficiency close to or a little higher than that of transmission reconstruction.
这种球体对入射光存在折射、衍射、反射、吸收和杂质对入射光波的衰减作用等影响。
The sphere affects the incident by the refraction, diffraction, reflection, absorption and attenuation of impurity.
开式谐振腔的Q值由衍射损耗，反射损耗，耦合引入的外部损耗共同决定。
Q factor of an open resonator is determined by the diffraction loss, reflection loss and external loss introduced by coupling as a whole.
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