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本文报导了一种测量大毛坯光学玻璃内部折射率分布的二次曝光全息干涉法。测量精度为±1×10~(-6)。
In this paper, a double exposure holographic interferometry method for measuring the refractive index distribution in a large blank optical glass is reported. Measurement accuracy of ± 1 × 10 ~ (-6).