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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.25 no.3-4 (1998), pp. 166-170
Estimation of Resonant Third-Order Hyperpolarizability of Beta-Carotene from Raman and Absorption Spectroscopy
A.B. Bhattacherjee
Department of Physics, Atma Ram Sanatan Dharma College (University of Delhi), Dhaula Kuan, 110021 New Delhi, India
go backDepartment of Physics, Atma Ram Sanatan Dharma College (University of Delhi), Dhaula Kuan, 110021 New Delhi, India
Abstract. A theoretical link based on two-level system is developed that permits the estimation of third-order hyperpolarizabilities from parameters measured by linear spectroscopic techniques of Raman resonance and absorption spectroscopy. In an attempt to gain experimental evidence for the proposed link, we have examined β-carotene in different organic solvents.