商品聚酰亚胺薄膜在240 ~ 2500nm波长范围内的光学常数光谱

IF 1 4区化学 Q4 SPECTROSCOPY

Journal of Applied Spectroscopy Pub Date : 2025-09-20 DOI:10.1007/s10812-025-01991-1

V. S. Antropova, I. A. Zlobin, G. M. Mikheev

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引用次数: 0

摘要

记录了200 μm厚的商用聚酰亚胺薄膜在λ = 240 ~ 2500 nm波长范围内的透射光谱和反射光谱。利用已知的精确解析关系，计算了薄膜折射率的实部(n)和虚部(k)的光谱依赖关系。在指定波长范围内计算了吸收光谱和介电常数的实部和虚部。

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Optical-Constants Spectra of Commercial Polyimide Film in the Wavelength Range 240–2500 nm

Transmittance and reflectance spectra of a commercial 200-μm-thick polyimide film were recorded in the wavelength range λ = 240–2500 nm. The spectral dependences of the real (n) and imaginary (k) parts of the refractive index of the film were calculated from these spectra using the known exact analytical relations. Absorption spectra and the real and imaginary parts of the dielectric permittivity were also calculated in the indicated wavelength range.

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来源期刊

Journal of Applied Spectroscopy SPECTROSCOPY-

CiteScore

1.30

自引率

14.30%

发文量

145

审稿时长

2.5 months

期刊介绍： Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.