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提出了一种提高记录三狭缝虹全息能量利用率的方法。将三相互平行的线光束替代平行光再现母全息图。实验结果表明，能量利用率提高了８倍。
A method of improving the energy utilization rate of three holographic slips is proposed. The three parallel beams instead of parallel light reproduction hologram. Experimental results show that the energy utilization rate increased by 8 times.