The holographic lens, which is designed according to Bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow-band condition.
该方法采用双片离轴全息透镜复合，按使用条件在布喇格条件下进行消三级像差设计，制作设计的全息透镜具有高衍射效率高、像差小的特点，可以满足任意给定的窄带光场合。
参考来源 - 复合同轴全息透镜的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The SNR, the antenna condition and the Bragg condition as well as achromatism in optical design are discussed.
讨论了在光学设计中的信噪比要求，天线条件，色差兼容和布喇格条件。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
The result on site monitoring shows that the smart Fiber Bragg Grating bars can monitor the stained condition of cables effectively.
现场监测结果表明，光纤光栅智能索能有效监测拉索索力。
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