Ultrafast laser technology and spectroscopy involves the use of femtosecond 10. The extremely short pulse duration allows one to create, detect and study very shortlived transient chemical reaction intermediates and transition states. Ultrafastlaserabsorption spectroscopy for singleshot. The extremely short pulse duration allows one to create, detect and study very short. Ultrafast laser pulses are widely used in various fields including physics, engineering, chemistry, biology and medicine 5 6. Ultrafast processes explored by spectroscopy, mikas. It deals with findamentals of instrumentation, data analysis and contemporary research in the field. Results from these types of ultrafast studies have been loosely classified as femtochemistry, when chemical reactions are involved, and femtophysics, when the interaction between ultrashort laser pulses and matter is being studied. The course introduces students to laser spectroscopy, with an emphasis on ultrafast spectroscopy. Time and space resolved spectroscopy of perovskites. Course introductionultrafast laser spectroscopy youtube. The applications include ultrafast spectroscopy, metrology. Ultrafast laser technology and spectroscopy request pdf.
Ultrafast laser spectroscopy involves studying ultrafast events that take place in a medium using ultrashort pulses and delays for time resolution. Raman spectroscopy of graphene under ultrafast laser. Physical framework and examples ultrafast spectroscopy is based on the use. Beware this talk will make you rethink your entire life and work life changer duration. Pdf ultrafast laser technology and spectroscopy klaas. It usually involves exciting the medium with one or more ultrashort laser pulses and probing it a variable delay later with another. Here we study the raman spectrum of graphene under ultrafast laser excitation with 3 ps pulses, which trade off between impulsive stimulation and spectral resolution. Ultrafast laser technology and spectroscopy involves the use of femtosecond 10 15 s laser and other particle sources to study the properties of matter. Datta is a professor of chemistry in iit bombay, with research interest in ultrafast spectroscopy. Ultrafast dynamics in nanomaterials and other novel fluorophores, photoinduced electron transfer dynamics in dye sensitized solar cells. This lecture is a part of 58th international scientific conference for students of physics and natural sciences open readings 2015.
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