Experimental Studies on Effect of Concentration of CS2 on Linewidth and Frequency Shift of Raman Spectrum

Abstract

Abstract: Liquid-core optical fiber technique applied in the measurement of Fourier transform Raman spectra, can enhance the Raman spectral intensity about 10²-10⁴ times. Applying this technique, we researched the effect of the variation of the concentrations on the linewidths and frequency shifts of Raman spectral line of β-carotene and rhodamine(in CS₂) in relation to the transition of π-π^* of C=C bond. The experiment results showed that the red shift happens to the peak value of Raman spectral line, linewidth becomes narrow with the decrease of concentration when the concentration studied is 10^-7-10^-12 mol/L.

Key words: Liquid-core optical fiber, Fourier transform, Raman spectrum, Frequency shift

CLC Number:

O657.37

TrendMD:

YIN Jian-Hua, GAO Shu-Qin, XU Xin-Feng, LI Zuo-Wei . Experimental Studies on Effect of Concentration of CS₂ on Linewidth and Frequency Shift of Raman Spectrum[J]. Chem. J. Chinese Universities, 2002, 23(12): 2300.

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Experimental Studies on Effect of Concentration of CS₂ on Linewidth and Frequency Shift of Raman Spectrum

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