Terahertz spectral analysis of Yunpian Lurong

目的:为了方便鉴别云片鹿茸,本研究提供了一种快速、简便的鉴别方法。方法:采用太赫兹光谱技术对云片鹿茸进行检测。结果:云片鹿茸的波谱振幅与参考波相比明显下降。云片鹿茸与常规鹿茸的太赫兹频谱图不同,与自由空间的频谱相比,二者对TH z波均具有较明显的吸收,但吸收的强度与位置又存在差异性,这为云片鹿茸的鉴别提供了依据。二者的折射率具有明显的差异性,可能与样品的内部结构和成分含量不同相关。二者的吸收系数也存在差异,在频率介于0-2.4THz范围内时,两种鹿茸样品的吸收系数有较明显的差异性,这便于对云片鹿茸进行区分。结论:说明太赫兹光谱技术检测可作为鉴别云片鹿茸的一种高效、便捷的检测方法。

Objective: Provide a rapid and simple method to identify Yunpian Lurong. Method: Terahertz spectroscopy was used to detect Yunpian Lurong. Result: Compared with the reference wave, the spectral amplitude of Yunpian Lurong decreases significantly. The frequency - domain spectra of Yunpian Lurong are different from conventional Lurong. Compared with the spectrum of free space, both of them have obvious absorption to THz wave, but the intensity and location of absorption are different, which provides a basis for the identification of Yunpian Lurong. The refractive index of the two samples is obviously different, which may be related to the different internal structure and composition content of the samples. The absorption coefficient of the two samples are different as well, when the frequency ranges from 0 to 2.4 THz, the absorption coefficients of the two kinds of Lurong samples have obvious difference, which makes it easy to distinguish the Yunpian Lurong. Conclusion: This study proves that terahertz spectroscopy can be used as an efficient and convenient method to identify Yunpian Lurong.