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本文简要介绍了用于检定光谱光度计波长准确度的错饵玻璃，该玻璃作为强吸收带滤光器具有使用方便和强吸收带的优点，通过实验和比较证明，镨饵玻璃，其稳定性和耐用性都远远优于干涉滤光片，也优于镨钕玻璃。
This article briefly introduced the wrong bait glass used to test the wavelength accuracy of the spectrophotometer. The glass has the advantages of easy to use and strong absorption band as a strong absorption band filter. The experiment and comparison prove that the praseodymium bait glass has the advantages of stability And durability are far superior to interference filters, but also better than praseodymium neodymium glass.