聚甲基丙烯酸甲酯（PMMA）在0.4 - 1.6微米范围内的折射率测量。
Refractive index measurements of poly(methyl methacrylate) (PMMA) from 0.4-1.6 μm.
作者信息
Beadie G, Brindza Michael, Flynn Richard A, Rosenberg A, Shirk James S
出版信息
Appl Opt. 2015 Nov 1;54(31):F139-43. doi: 10.1364/AO.54.00F139.
PMID:26560600
Abstract
Using a transmission-spectrum-based method, the refractive index of a 50 μm thick sample of poly(methyl methacrylate) (PMMA) was measured as a function of wavelength. To mitigate the effects of nonplane-parallel surfaces, the sample was measured at 16 different locations. The technique resulted in the measurement of index at several thousand independent wavelengths from 0.42 to 1.62 μm, with a relative RMS accuracy <0.5×10(-4) and absolute accuracy <2×10(-4).
摘要
采用基于透射光谱的方法，测量了厚度为50μm的聚甲基丙烯酸甲酯（PMMA）样品的折射率随波长的变化。为减轻非平面平行表面的影响，在16个不同位置对样品进行了测量。该技术实现了在0.42至1.62μm范围内数千个独立波长处的折射率测量，相对均方根误差精度<0.5×10⁻⁴，绝对精度<2×10⁻⁴。
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