On the strong and narrow absorption signature in lactose at 0.53 THz

E. R. Brown; J. E. Bjarnason; A. M. Fedor; T. M. Korter

doi:10.1063/1.2437107

On the strong and narrow absorption signature in lactose at 0.53 THz

E. R. Brown, J. E. Bjarnason, A. M. Fedor, T. M. Korter

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117 Scopus citations

Abstract

The authors report on the room-temperature characterization of a narrow absorption signature in an organic molecular solid (α -lactose monohydrate) centered around 530 GHz and having a full width at half maximum as small as 23 GHz. Three different spectrometric techniques were applied, two of them (tunable photomixing and tunable frequency multiplication) having a high enough resolution (100 MHz) to accurately curve fit the signature and determine that it is much better described by a Lorentzian than a Gaussian function. The Lorentzian model provides an estimate of 14 ps for the damping time associated with this signature.

Original language	English (US)
Article number	061908
Journal	Applied Physics Letters
Volume	90
Issue number	6
DOIs	https://doi.org/10.1063/1.2437107
State	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "On the strong and narrow absorption signature in lactose at 0.53 THz",

abstract = "The authors report on the room-temperature characterization of a narrow absorption signature in an organic molecular solid (α -lactose monohydrate) centered around 530 GHz and having a full width at half maximum as small as 23 GHz. Three different spectrometric techniques were applied, two of them (tunable photomixing and tunable frequency multiplication) having a high enough resolution (100 MHz) to accurately curve fit the signature and determine that it is much better described by a Lorentzian than a Gaussian function. The Lorentzian model provides an estimate of 14 ps for the damping time associated with this signature.",

author = "Brown, {E. R.} and Bjarnason, {J. E.} and Fedor, {A. M.} and Korter, {T. M.}",

note = "Funding Information: This research was supported by the U.S. Army Research Office (Dwight Woolard). The authors thank T. L. J. Wilkinson for assistance in the research effort.",

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AU - Bjarnason, J. E.

AU - Fedor, A. M.

AU - Korter, T. M.

N1 - Funding Information: This research was supported by the U.S. Army Research Office (Dwight Woolard). The authors thank T. L. J. Wilkinson for assistance in the research effort.

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AB - The authors report on the room-temperature characterization of a narrow absorption signature in an organic molecular solid (α -lactose monohydrate) centered around 530 GHz and having a full width at half maximum as small as 23 GHz. Three different spectrometric techniques were applied, two of them (tunable photomixing and tunable frequency multiplication) having a high enough resolution (100 MHz) to accurately curve fit the signature and determine that it is much better described by a Lorentzian than a Gaussian function. The Lorentzian model provides an estimate of 14 ps for the damping time associated with this signature.

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On the strong and narrow absorption signature in lactose at 0.53 THz

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