Free induction decay of inhomogeneously broadened lines

K. Bratengeier; H. G. Purucker; A. Laubereau

doi:10.1016/0030-4018(89)90138-7

Free induction decay of inhomogeneously broadened lines

K. Bratengeier, H. G. Purucker, A. Laubereau

Universität Bayreuth

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10 Scopus citations

Abstract

The free induction decay of a spectroscopic band with discrete distribution of transition frequencies is investigated. For systems with constant dephasing time of the individual transitions, exponential asymptotic decay is predicted for the signal envelope, which results from statistical phase correlation within the frequency distribution. Observation of the weak asymptotic signal requires high measuring sensitivity but allows the determination of the dephasing time for such inhomogeneously broadened bands. The effect is demonstrated for vibrational Q-transitions of CH₄ and CHF₃ in the infrared at medium pressure level studying coherent propagation of ps pulses.

Original language	English
Pages (from-to)	393-398
Number of pages	6
Journal	Optics Communications
Volume	70
Issue number	5
DOIs	https://doi.org/10.1016/0030-4018(89)90138-7
State	Published - 1 Apr 1989
Externally published	Yes

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title = "Free induction decay of inhomogeneously broadened lines",

abstract = "The free induction decay of a spectroscopic band with discrete distribution of transition frequencies is investigated. For systems with constant dephasing time of the individual transitions, exponential asymptotic decay is predicted for the signal envelope, which results from statistical phase correlation within the frequency distribution. Observation of the weak asymptotic signal requires high measuring sensitivity but allows the determination of the dephasing time for such inhomogeneously broadened bands. The effect is demonstrated for vibrational Q-transitions of CH4 and CHF3 in the infrared at medium pressure level studying coherent propagation of ps pulses.",

author = "K. Bratengeier and Purucker, {H. G.} and A. Laubereau",

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AU - Bratengeier, K.

AU - Purucker, H. G.

AU - Laubereau, A.

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Y1 - 1989/4/1

N2 - The free induction decay of a spectroscopic band with discrete distribution of transition frequencies is investigated. For systems with constant dephasing time of the individual transitions, exponential asymptotic decay is predicted for the signal envelope, which results from statistical phase correlation within the frequency distribution. Observation of the weak asymptotic signal requires high measuring sensitivity but allows the determination of the dephasing time for such inhomogeneously broadened bands. The effect is demonstrated for vibrational Q-transitions of CH4 and CHF3 in the infrared at medium pressure level studying coherent propagation of ps pulses.

AB - The free induction decay of a spectroscopic band with discrete distribution of transition frequencies is investigated. For systems with constant dephasing time of the individual transitions, exponential asymptotic decay is predicted for the signal envelope, which results from statistical phase correlation within the frequency distribution. Observation of the weak asymptotic signal requires high measuring sensitivity but allows the determination of the dephasing time for such inhomogeneously broadened bands. The effect is demonstrated for vibrational Q-transitions of CH4 and CHF3 in the infrared at medium pressure level studying coherent propagation of ps pulses.

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U2 - 10.1016/0030-4018(89)90138-7

DO - 10.1016/0030-4018(89)90138-7

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SN - 0030-4018

VL - 70

SP - 393

EP - 398

JO - Optics Communications

JF - Optics Communications

IS - 5

ER -

Free induction decay of inhomogeneously broadened lines

Abstract

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