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Applied Physics B

, Volume 96, Issue 2–3, pp 247–250 | Cite as

A novel ultra-broadband transient spectrometer with microsecond measurement range based on a supercontinuum fiber laser

  • C. Schriever
  • I. Pugliesi
  • E. Riedle
Rapid communication

Abstract

We show that the combination of a free-running 24 kHz supercontinuum fiber laser with a kHz femtosecond laser renders a sensitive and easy to implement transient spectrometer. It can directly extend the observation range of a standard broadband femtosecond spectrometer from the usual limit of a few nanoseconds to 1 millisecond and with the additional use of a chopper to seconds. The transmission signal from all supercontinuum pulses is recorded and assigned to the proper delay time by data post-processing. To demonstrate the performance of the device, the relaxation dynamics of Nd:YAG is measured.

PACS

42.65.-k 42.55.Tv 42.62.Fi 78.47.jc 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.Lehrstuhl für BioMolekulare OptikLudwig-Maximilians-Universität MünchenMünchenGermany

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