2-7 June 2019
Simon Fraser University
America/Vancouver timezone
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Investigation of Multi-frequency Raman Generated Spectra

4 Jun 2019, 11:45
SWH 10081 (Simon Fraser University)

SWH 10081

Simon Fraser University

Invited Speaker / Conférencier(ère) invité(e) Symposia Day - Optical Science T2-7 Nobel Prize Session (DAMOPC) | Session de prix Nobel (DPAMPC)


Donna Strickland (University of Waterloo)


Since the advent of lasers, many different nonlinear optical techniques have led to shorter, higher-intensity pulses. At Waterloo, we are studying Multi-frequency Raman generation (MRG), which efficiently generates a large number of Raman orders spanning the spectral region from the infrared to the ultraviolet. The bandwidth of the Raman orders is sufficient to generate single-femtosecond duration pulses. While the pulse duration is longer than what is possible with high order harmonic generation, the conversion efficiency is much higher. While most research in this field is concerned with making as many Raman orders as possible, we noticed that the spectra of the individual Raman orders changed dramatically when changing either the dispersion in the nonlinear medium or the laser pump intensity. In this talk, I will discuss the possible physical process causing these changes in the spectra as well as how the changes effect the generation of ultrashort intense pulses.

Primary author

Donna Strickland (University of Waterloo)

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