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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2008 [1]
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Study on resonance absorption raman scattering in i2 liquid-core optical fiber (EI CONFERENCE)
会议论文
Nonlinear Optics: Technologies and Applications, November 12, 2007 - November 13, 2007, Beijing, China
Yi W.
;
Zhu X.
;
Fang W.
;
Yi H.
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提交时间:2013/03/25
The Raman scattering of I2 liquid-core optical fiber under the condition of resonance absorption in liquid-core optical fiber is studied in this paper. Iodine is dissolved in transparent benzene to make solution of I2 in benzene
and the absorption coefficients of the solution are measured at certain wavelengths. The absorption curve can be divided into non-resonance absorption region
pre-resonance absorption region
strict resonance absorption region
and post-resonance absorption region respectively. Resonance absorption Raman scattering experiments are conducted by a 532 nm frequency-doubled Nd:YVO4 laser
and the wavelength is in the strict resonance absorption region of solution of I2 in benzene. Compared with I2
the absorption of benzene can be neglected. Non-resonance Raman scattering of the solution is performed using a 632.8 nm He-Ne laser
and no spectrum lines of I2 are found. The study demonstrates that there is one spectrum line of I2 in the Raman scattering spectrum in the I 2 liquid-core optical fiber
but this line is not found in the spectrum of the non-resonance and resonance absorption Raman scattering of I2 solution in benzene using absorption cell. The experiments proved that I 2 Raman scattering
is greatly enhanced by using both resonance absorption and liquid-core optical fiber.
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