Application of optical Kerr gate with SrTiO 3 crystal in acquisition of gated spectra from a supercontinuum

Li He Yan, Sen Jia, Jin Hai Si, Shigeki Matsuo, Feng Chen, Xun Hou

研究成果: Article

3 引用 (Scopus)

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We investigate the optical Kerr effect of SrTiO 3 (STO) crystal, of which the nonlinear response time was measured to be less than 200 fs, while the nonlinear refractive index is estimated to be 2.16 × 10 -15 cm 2/W. Using the optical Kerr gate (OKG) technique with an STO crystal as the Kerr medium, we obtain narrow-bandwidth and symmetric gated spectra from a supercontinuum generated in distilled water by a femtosecond laser. The experimental results show superiority compared with the gated spectra obtained using OKG with CS 2 as the Kerr medium, demonstrating that STO crystal is a promising OKG medium.

元の言語English
記事番号074207
ジャーナルChinese Physics Letters
29
発行部数7
DOI
出版物ステータスPublished - 2012 7 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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