A 100 kHz time-resolved multiple-probe femtosecond to second infrared absorption spectrometer

Gregory M. Greetham; Paul M. Donaldson; Charlie Nation; Igor V. Sazanovich; Ian P. Clark; Daniel J. Shaw; Anthony W. Parker; Michael Towrie

doi:10.1177/0003702816631302

A 100 kHz time-resolved multiple-probe femtosecond to second infrared absorption spectrometer

Gregory M. Greetham, Paul M. Donaldson, Charlie Nation, Igor V. Sazanovich, Ian P. Clark, Daniel J. Shaw, Anthony W. Parker, Michael Towrie

Physics

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Abstract

We present a dual-amplifier laser system for time-resolved multiple-probe infrared (IR) spectroscopy based on the ytterbium potassium gadolinium tungstate (Yb:KGW) laser medium. Comparisons are made between the ytterbium-based technology and titanium sapphire laser systems for time-resolved IR spectroscopy measurements. The 100 kHz probing system provides new capability in time-resolved multiple-probe experiments, as more information is obtained from samples in a single experiment through multiple-probing. This method uses the high repetition-rate probe pulses to repeatedly measure spectra at 10 μs intervals following excitation allowing extended timescales to be measured routinely along with ultrafast data. Results are presented showing the measurement of molecular dynamics over >10 orders of magnitude in timescale, out to 20 ms, with an experimental time response of

Original language	English
Pages (from-to)	645-653
Number of pages	9
Journal	Applied Spectroscopy
Volume	70
Issue number	4
Early online date	17 Feb 2016
DOIs	https://doi.org/10.1177/0003702816631302
Publication status	E-pub ahead of print - 17 Feb 2016

Keywords

laser
mid-infrared (Mid-IR)
multiple-probing
spectroscopy
time-resolved
ultrafast

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Greetham-etal-AS-2016-A-100-kHz-time-resolved-multiple-probe-femtosecondAccepted author manuscript, 1.13 MB

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A Dynamic Perspective on DNA-binding
Hunt, N., Burley, G. & Suckling, C.
STFC Science and Technology Facilities Council
1/12/14 → 30/11/15
Project: Research

Cite this

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title = "A 100 kHz time-resolved multiple-probe femtosecond to second infrared absorption spectrometer",

abstract = "We present a dual-amplifier laser system for time-resolved multiple-probe infrared (IR) spectroscopy based on the ytterbium potassium gadolinium tungstate (Yb:KGW) laser medium. Comparisons are made between the ytterbium-based technology and titanium sapphire laser systems for time-resolved IR spectroscopy measurements. The 100 kHz probing system provides new capability in time-resolved multiple-probe experiments, as more information is obtained from samples in a single experiment through multiple-probing. This method uses the high repetition-rate probe pulses to repeatedly measure spectra at 10 μs intervals following excitation allowing extended timescales to be measured routinely along with ultrafast data. Results are presented showing the measurement of molecular dynamics over >10 orders of magnitude in timescale, out to 20 ms, with an experimental time response of ",

keywords = "laser, mid-infrared (Mid-IR), multiple-probing, spectroscopy, time-resolved, ultrafast",

author = "Greetham, {Gregory M.} and Donaldson, {Paul M.} and Charlie Nation and Sazanovich, {Igor V.} and Clark, {Ian P.} and Shaw, {Daniel J.} and Parker, {Anthony W.} and Michael Towrie",

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AU - Greetham, Gregory M.

AU - Donaldson, Paul M.

AU - Nation, Charlie

AU - Sazanovich, Igor V.

AU - Clark, Ian P.

AU - Shaw, Daniel J.

AU - Parker, Anthony W.

AU - Towrie, Michael

PY - 2016/2/17

Y1 - 2016/2/17

N2 - We present a dual-amplifier laser system for time-resolved multiple-probe infrared (IR) spectroscopy based on the ytterbium potassium gadolinium tungstate (Yb:KGW) laser medium. Comparisons are made between the ytterbium-based technology and titanium sapphire laser systems for time-resolved IR spectroscopy measurements. The 100 kHz probing system provides new capability in time-resolved multiple-probe experiments, as more information is obtained from samples in a single experiment through multiple-probing. This method uses the high repetition-rate probe pulses to repeatedly measure spectra at 10 μs intervals following excitation allowing extended timescales to be measured routinely along with ultrafast data. Results are presented showing the measurement of molecular dynamics over >10 orders of magnitude in timescale, out to 20 ms, with an experimental time response of

AB - We present a dual-amplifier laser system for time-resolved multiple-probe infrared (IR) spectroscopy based on the ytterbium potassium gadolinium tungstate (Yb:KGW) laser medium. Comparisons are made between the ytterbium-based technology and titanium sapphire laser systems for time-resolved IR spectroscopy measurements. The 100 kHz probing system provides new capability in time-resolved multiple-probe experiments, as more information is obtained from samples in a single experiment through multiple-probing. This method uses the high repetition-rate probe pulses to repeatedly measure spectra at 10 μs intervals following excitation allowing extended timescales to be measured routinely along with ultrafast data. Results are presented showing the measurement of molecular dynamics over >10 orders of magnitude in timescale, out to 20 ms, with an experimental time response of

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KW - mid-infrared (Mid-IR)

KW - multiple-probing

KW - spectroscopy

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KW - ultrafast

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A 100 kHz time-resolved multiple-probe femtosecond to second infrared absorption spectrometer

Abstract

Keywords

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A Dynamic Perspective on DNA-binding

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