Lingmao Xu, Hui Zhou, Yanchun He, Kaifeng Zhang, Shenghu Wu, Yuqing Xiong. Temperature coefficient of the refractive index for PbTe film[J]. Chinese Optics Letters, 2017, 15(4): 043101
- Chinese Optics Letters
- Vol. 15, Issue 4, 043101 (2017)
Fig. 1. The transmitted spectra of PbTe film at 80, 140, 200, 260, and 300 K.
Fig. 2. The relationship between the refractive index and wavelength at 80–300 K, during the range of 7–12 μm.
Fig. 3. The relationship between A n T
Fig. 4. The relationships between (a) B n C n T
Fig. 5. The contrast of the designed spectra by the formula and the measured spectra at (a) 80 and (b) 300 K.
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