| 脉冲光热偏转测量大的光学吸收系数 |
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| 引用本文： | 李斌成,邓廷倬,程介克. 脉冲光热偏转测量大的光学吸收系数[J]. 中国激光, 1994, 21(11): 884-888 |
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| 作者姓名： | 李斌成 邓廷倬 程介克 |
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| 作者单位： | 武汉大学化学系，分析测试中心 |
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| 摘 要： | 本文叙述了脉冲光热偏转方法测量介质的光学吸收系数的基本原理和理论依据。实验测量了几种不同浓度的ＫＭｎＯ４溶液在５３２ｎｍ波长的光学吸收系数并与分光光度法测量值直接比较，两者完全符合。实验还测量了６３２．８ｎｍ波长滤光片在５３２ｎｍ波长的光学吸收系数。
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| 关 键 词： | 脉冲光热偏转（PPTD），光学吸收系数，透射光谱方法，KMnO_4溶液 |
| 收稿时间： | 1994-01-31 |
Pulsed Photothermal Deflection Measurement of Large Optical Absorption Coefficient |
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| Li Bingcheng,Deng Yanzhuo,Cheng Jieke. Pulsed Photothermal Deflection Measurement of Large Optical Absorption Coefficient[J]. Chinese Journal of Lasers, 1994, 21(11): 884-888 |
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| Authors: | Li Bingcheng Deng Yanzhuo Cheng Jieke |
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| Abstract: | In this paper, the principle and theoretical treatment of pulsed photothermal deflection(PPTD) measurement of the optical absorption coefficients of optically dense samples were presented. The optical absorption coefficients of KMnO4 solutions of different concentrations at 532 nm wavelength were determined experimentally and were directly compared with the values obtained by transmission spectroscopic method.The data were in good agreement. The optical absorption coefficient of a 632.8 nm wavelength filter was also determined. |
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| Keywords: | pulsed photothermal deflection(PPTD) optical absorption coefficient transmission spectroscopic method KMnO_4 solution |
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