일시 : 2017년 11월 1일(수) 오후5시-7시

장소 : 과학관 604호

연사 : 심상덕 교수님(순천대, 화학과)

Femtosecond stimulated Raman spectroscopy (FSRS) is a powerful vibrational technique for studying chemical and biochemical reaction dynamics because it uniquely provides vibrational structural information with excellent <50 fs temporal and <20 cm−1 spectral resolution. FSRS has additional advantages including increased scattering rates, an improved signal-to-noise (S/N) ratio, short data acquisition times, and insensitivity to background fluorescence. In addition, tunable light sources in the whole visible range allow us to extend FSRS into resonance Raman domain. Due to its unique advantages, FSRS has widely used to investigate reaction dynamics during photochemical and photophysical processes. In this seminar, the basic principle of FSRS and its application to the vibrational relaxation dynamics of -carotene in the excited state will be presented.