Low-noise rotating sample holder for ultrafast transient spectroscopy at cryogenic temperatures

R. Fanciulli, I. Cerjak, Jennifer Lynn Herek

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Abstract

We present the design and testing of a rotating device that fits within a commercial helium cryostat and is capable of providing at 4 K a fresh sample surface for subsequent shots of a 1–10 kHz amplified pulsed laser. We benchmark this rotator in a transient-absorption experiment on molecular switches. After showing that the device introduces only a small amount of additional noise, we demonstrate how the effect of signal degradation due to high fluence is completely resolved
Original languageUndefined
Pages (from-to)053102:1-5
Number of pages5
JournalReview of scientific instruments
Volume78
Issue number5
DOIs
Publication statusPublished - 2007

Keywords

  • IR-74942
  • METIS-242347

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