Data for: "Time-Resolved Temperature-Jump Infrared Spectroscopy at a High Repetition Rate"

  • Gregory M. Greetham (Creator)
  • Ian P. Clark (Creator)
  • Benjamin Young (Creator)
  • Robby Fritsch (Creator)
  • Lucy Minnes (Central Laser Facility) (Creator)
  • Neil T. Hunt (York St John University) (Creator)
  • Michael Towrie (Creator)

Dataset

Description

Time-resolved temperature-jump infrared absorption spectroscopy at a 0.5 to 1 kHz repetition rate is presented. A 1 kHz neodymium-doped yttrium aluminum garnet (Nd:YAG) laser pumping an optical parametric oscillator provided >70 µJ, 3.75 µm pump pulses, which delivered a temperature jump via excitation of the O–D stretch of a D2O solution. A 10 kHz train of mid-infrared probe pulses was used to monitor spectral changes following the temperature jump. Calibration with trifluoroacetic acid solution showed that a temperature jump of 10 K lasting for tens of microseconds was achieved, sufficient to observe fast processes in functionally relevant biomolecular mechanisms. Modeling of heating profiles across ≤10 µm path length cells and subsequent cooling dynamics are used to describe the initial 10 µs cooling dynamics of the bulk solution.

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Date made available29 Aug 2023
Publisherfigshare
Date of data production2020

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