Sum-Frequency Generation with a Free-Electron Laser - a Study of Gallium-Phosphide

TitleSum-Frequency Generation with a Free-Electron Laser - a Study of Gallium-Phosphide
Publication TypeJournal Article
Year of Publication1994
AuthorsM. Barmentlo, G.W Thooft, E.R Eliel, E.WM van der Ham, Q.HF Vrehen, A.FG van der Meer, P.W van Amersfoort
JournalPhysical Review A
Volume50
Number1
PaginationR14-R17
Date PublishedJul
ISBN Number1050-2947
Abstract

The use of a free-electron laser (FEL) allows the study of (non)linear optical properties of materials over unsurpassed large spectral intervals. Here we report on the application of a FEL as the IR source in spectroscopic infrared-visible sum-frequency generation (SFG). Using the extremely wide tunability and the high peak power of a FEL we have studied the frequency dependence of the nonlinear susceptibility for sum-frequency generation in gallium phosphide between 20 and 32 mum in great detail. It is shown that the SFG spectrum is heavily modified by linear optical effects.

DOI10.1103/PhysRevA.50.R14
PID

1e780a46fef6d0a04fe41f8814e70898

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