IOE OpenIR  > 薄膜光学技术研究室(十一室)
High-sensitivity testing techniques for laser optics
Li B.; Qu Z.; Wang Y.; Han Y.; Gao W.
Volume7995
2011
Language英语
Indexed ByEi
Subtype会议论文
AbstractThe absorptance and high reflectance measurements of laser optics are presented. In the absorptance measurement, the laser calorimetry (LC) technique is investigated. A rigorous theoretical model describing the laser irradiation induced temperature rise in a coated sample, in which both the finite thermal conductivity and the finite size of sample are taken into account, is developed to optimize the temperature detection geometry to further improve the accuracy of the absorptance measurement. For the high reflectivity measurement, an optical feedback cavity ring-down (OF-CRD) technique, in which a continuous-wave (CW) Fabry-Perot (FP) diode laser is used as the light source, is employed for high reflectivity measurement. The linear and V-shaped schemes are investigated to measure the reflectivity of cavity mirrors and planar test mirrors, respectively. For cavity mirrors with reflectance larger than 99.99%, the measurement error is less than 1ppm.; The absorptance and high reflectance measurements of laser optics are presented. In the absorptance measurement, the laser calorimetry (LC) technique is investigated. A rigorous theoretical model describing the laser irradiation induced temperature rise in a coated sample, in which both the finite thermal conductivity and the finite size of sample are taken into account, is developed to optimize the temperature detection geometry to further improve the accuracy of the absorptance measurement. For the high reflectivity measurement, an optical feedback cavity ring-down (OF-CRD) technique, in which a continuous-wave (CW) Fabry-Perot (FP) diode laser is used as the light source, is employed for high reflectivity measurement. The linear and V-shaped schemes are investigated to measure the reflectivity of cavity mirrors and planar test mirrors, respectively. For cavity mirrors with reflectance larger than 99.99%, the measurement error is less than 1ppm.
Conference NameProceedings of SPIE - The International Society for Optical Engineering, v 7995, 2011, Seventh International Conference on Thin Film Physics and Applications
Conference Date2011
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7850
Collection薄膜光学技术研究室(十一室)
Corresponding AuthorLi B.
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
Li B.,Qu Z.,Wang Y.,et al. High-sensitivity testing techniques for laser optics[C],2011.
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2011-11-006.pdf(327KB)会议论文 开放获取CC BY-NC-SAApplication Full Text
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