PIRATE - A picosecond time resolved IR spectrometer

M. Towrie, P. Matousek, A. W. Parker, M. W. George, D. C. Grills, Wai Ming Kwok, C. Ma, D. Phillips, W. Toner

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


PIRATE (picosecond infrared absorption and transient excitation) is a recently developed solid state laser facility offering tunability into the mid-infrared region (down to 1000 cm-1) for time-resolved infrared (TRIR) spectroscopy. It is used to study the energetic properties, structure and reactivity of short lived (picosecond & femtosecond) intermediates formed during the course of photophysical and photochemical processes. The presentation will briefly describe the PIRATE system and give recent highlights from investigations on solvation and hydrogen bonding within excited molecular states to illustrate the performance of the ps-TRIR spectrometer. This study has now progressed to look at the dynamics of the solvation of excited states and in particular the formation of hydrogen bonds to electronically excited charge transfer states such as for the intramolecular charge transfer reaction of DMABN by monitoring rapid frequency shifts of the cyano stretch of this molecule by TRIR. this work shows the first direct observation of hydrogen bond formation in a molecular excited state.
Original languageEnglish
Title of host publication2003 European Quantum Electronics Conference, EQEC 2003
Number of pages1
ISBN (Electronic)0780377338, 9780780377332
Publication statusPublished - 1 Jan 2003
Externally publishedYes
EventEuropean Quantum Electronics Conference, EQEC 2003 - ICM, Munich, Germany
Duration: 22 Jun 200327 Jun 2003


ConferenceEuropean Quantum Electronics Conference, EQEC 2003

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

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