Measurement of large nonlinear refractive index of natural pigment extracted from Hibiscus rosa-sinensis leaves with a low power CW laser and by spatial self-phase modulation technique

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• 作者：S Biswas ; P Kumbhakar ; ^{pathik.kumbhakar@phy.nitdgp.ac.in} ; ^{nitdgpkumbhakar@yahoo.com}
• 关键词：Pigments ; Absorption spectroscopy ; Photoluminescence spectroscopy ; Nonlinear optical technique ; Self phase modulation
• 刊名：Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：173
• 期：Complete
• 页码：400-406
• 全文大小：802 K
• 卷排序：173

文摘

Nonlinear optical properties of natural pigments investigated by SSPM technique. Absorption spectroscopy used for the determination of pigments percentage. Investigation of emissive properties of pigments by photoluminescence spectroscopy. High value of nonlinear refractive index of extracted pigment has been reported. Theoretical simulation of diffraction pattern of laser beam.