Study on resonance absorption Raman scattering in I2 liquid-core optical fiber

Wan Yi; Xilin Zhu; Wenhui Fang; Hanwei Yi

doi:10.1117/12.755953

4 January 2008 Study on resonance absorption Raman scattering in I₂ liquid-core optical fiber

Wan Yi, Xilin Zhu, Wenhui Fang, Hanwei Yi

Proceedings Volume 6839, Nonlinear Optics: Technologies and Applications; 68390M (2008) https://doi.org/10.1117/12.755953
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

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 I₂ 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 I₂ Raman scattering, is greatly enhanced by using both resonance absorption and liquid-core optical fiber.

Citation Download Citation

Wan Yi, Xilin Zhu, Wenhui Fang, and Hanwei Yi "Study on resonance absorption Raman scattering in I₂ liquid-core optical fiber", Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68390M (4 January 2008); https://doi.org/10.1117/12.755953

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