Ultrafast-pulse diagnostic using third-order frequency-resolved optical gating in organic films

Ramos-Ortiz, G.; Cha, M.; Thayumanavan, S.; Mendez, J.; Marder, S.R.; Kippelen, B.
October 2004
Applied Physics Letters;10/18/2004, Vol. 85 Issue 16, p3348
Academic Journal
We report on the diagnostic of ultrafast pulses by frequency-resolved optical gating (FROG) based on strong third-harmonic generation (THG) in amorphous organic thin films. The high THG conversion efficiency of these films allows for the characterization of sub-nanojoule short pulses emitting at telecommunication wavelengths using a low cost portable fiber spectrometer.


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