Probing ultrafast temperature changes of aqueous solutions with coherent terahertz pulses

Ellen H.G. Backus; Klaas-Jan Tielrooij; Mischa Bonn; Huib J. Bakker

doi:10.1364/OL.39.001717

Probing ultrafast temperature changes of aqueous solutions with coherent terahertz pulses

Ellen H.G. Backus, Klaas-Jan Tielrooij, Mischa Bonn, Huib J. Bakker

Research output: Contribution to journal › Article › Academic › peer-review

12 Citations (Scopus)

Abstract

We introduce an infrared pump-terahertz probe technique to measure the thermalization dynamics of aqueous solutions with a time resolution < 200 fs. This technique makes use of the sensitivity of the terahertz absorption to the temperature of the hydrogen bond network. The thermalization dynamics of different aqueous solutions are measured and compared to the dynamics inferred from ultrafast infrared pump-infrared probe measurements on the intramolecular stretch vibration of water. This technique can shed new light on important aspects of energy transfer and heat dynamics and is applicable to a wide range of systems.

Original language	English
Pages (from-to)	1717-1720
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	7
DOIs	https://doi.org/10.1364/OL.39.001717
Publication status	Published - 1 Apr 2014
Externally published	Yes

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AU - Tielrooij, Klaas-Jan

AU - Bonn, Mischa

AU - Bakker, Huib J.

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N2 - We introduce an infrared pump-terahertz probe technique to measure the thermalization dynamics of aqueous solutions with a time resolution < 200 fs. This technique makes use of the sensitivity of the terahertz absorption to the temperature of the hydrogen bond network. The thermalization dynamics of different aqueous solutions are measured and compared to the dynamics inferred from ultrafast infrared pump-infrared probe measurements on the intramolecular stretch vibration of water. This technique can shed new light on important aspects of energy transfer and heat dynamics and is applicable to a wide range of systems.

AB - We introduce an infrared pump-terahertz probe technique to measure the thermalization dynamics of aqueous solutions with a time resolution < 200 fs. This technique makes use of the sensitivity of the terahertz absorption to the temperature of the hydrogen bond network. The thermalization dynamics of different aqueous solutions are measured and compared to the dynamics inferred from ultrafast infrared pump-infrared probe measurements on the intramolecular stretch vibration of water. This technique can shed new light on important aspects of energy transfer and heat dynamics and is applicable to a wide range of systems.

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JO - Optics Letters

JF - Optics Letters

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Probing ultrafast temperature changes of aqueous solutions with coherent terahertz pulses

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