Characterization of the nonlinear optical crystal YCOB
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摘要: 采用显微硬度计、差热扫描仪等表征手段开展了非线性光学晶体YCOB的硬度及热学等相关性能的测量。结果表明YCOB 晶体在(100)、(010)及(001)三个方向上的硬度的各向异性较小,有利于YCOB晶体的后期加工。其在330 K时的比热容为0.74 Jg-1K-1,经过计算,其在主轴化方向上的热导率分别为1.74, 2.16及3.08 Wm-1 K-1,具有比较适中的热导率。Abstract: The hardness and thermal properties of the nonlinear optical crystal YCOB were systematically measured. The results show that the hardness along the (100), (010) and (001) directions has low anisotropy, which is beneficial for the cutting process. The specific heat of YCOB crystal is 0.74 Jg-1K-1 at 330 K, and the thermal conductivities along the principal axes are 1.74, 2.16 and 3.08 Wm-1K-1, indicating a moderate thermal conductivity.
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Key words:
- nonlinear optical /
- YCOB crystal /
- hardness /
- thermal properties
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