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Volumn 113, Issue 47, 2009, Pages 13184-13198

Dissection of rovibronic structure by polarization-resolved two-color resonant four-wave mixing spectroscopy

Author keywords

[No Author keywords available]

Indexed keywords

ABSORPTION SYSTEM; ALL-OPTICAL; COHERENT FRAMEWORKS; DENSITY OPERATORS; ELECTRONIC POTENTIAL-ENERGY; EXPERIMENTAL INVESTIGATIONS; FIELD INTERACTIONS; FOUR-WAVE MIXING SPECTROSCOPY; ISOTROPIC MEDIUM; MULTIPOLE EXPANSIONS; PERTURBATIVE TREATMENT; POLARIZATION GEOMETRY; PUMP LINES; QUANTUM NUMBERS; RECOUPLING; ROTATIONAL BRANCHES; ROTATIONAL QUANTUM NUMBERS; ROVIBRONIC STRUCTURES; SIGNAL FIELDS; SIGNAL INTENSITIES; SPECTRAL FEATURE; STIMULATED EMISSION PUMPING; TROPOLONE; TWO-COLOR; VIBRATIONAL EXCITATION;

EID: 73149096732     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp903970d     Document Type: Article
Times cited : (11)

References (66)
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    • (1995) Molecular Dynamics and Spectroscopy by Stimulated Emission Pumping , pp. 109-147
    • Kittrell, C.1
  • 34
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    • Dai, H.-L., Field, R. W., Eds.; World Scientific: Singapore Chapter 1
    • Vaccaro, P. H. Resonant Four-Wave Mixing Spectroscopy: A New Probe for Vibrationally-Excited Species. In Molecular Dynamics and Spectroscopy by Stimulated Emission Pumping; Dai, H.-L., Field, R. W., Eds.; World Scientific: Singapore, 1995; Chapter 1, pp 1-72.
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    • Orr-Ewing, A.J.1    Zare, R.N.2
  • 52
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    • For the rarefied (gas-phase) media considered in the present study, the index of refraction is presumed to deviate insignificantly from that for a vacuum and to a good approximation one can set n(ωj) ≈ 1. In a similar manner, correction factors for the local fields experienced by target molecules can justifiably be neglected
    • For the rarefied (gas-phase) media considered in the present study, the index of refraction is presumed to deviate insignificantly from that for a vacuum and to a good approximation one can set n(ωj) ≈ 1. In a similar manner, correction factors for the local fields experienced by target molecules can justifiably be neglected.
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    • note
    • By invoking the slowing-varying amplitude approximation (see ref 3), the wave equation describing generation of the forward-going RFWM signal field can be written as: E4()/r= i/2ce0 e4*•P(3)()e-iδk4•r = i/2ce0 e4*•P̃(3)()e-ik•r where the factor eiks•r appearing in our definition of the third-order polarization (eq 10), e4*•P(3)()= e4*•P̃(3)()eiks • r, leads to a net spatial dependence of e-i(k4-ks) • r)= e-ik• r. For the small-signal limit obtained when incident beams propagate (with negligible modification) through an optically thin sample of length l, integration of the wave equation yields E4() ∞ e*4 •P̃(3)()e-ikl/2lsinc(kl/2), with the corresponding signal intensity given by I4() ∞ |E4()|2 ∞ |e4*•P̃(3)() |2l2sinc2(kl/2). Momentcum onservation or phase-matching criteria are reflected in the behavior of the sinc2(kl/2) function, which peaks sharply (for finite l) at k ) |k| ) 0 or k4 ) ks, where ks ) k1-k2-k3.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.