Rotational dephasing of the molecular alignment by centrifugal distortion [Invited]

Fig. 2. (a) Contour plots in 2D for the amplitude of the alignment signals at different rotational temperatures. (b) Line plots of several typical temperatures in (a).

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Fig. 3. Time-evolved molecular alignment around the 10th T_rev of (a) CO, (b) CO₂, and (c) OCS molecules at the rotational temperature T = 300 K.

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Fig. 4. Rotational state population of (a)–(c) CO, (d) CO₂, and (e) OCS molecules at the rotational temperature (a) T = 30 K, (b) 100 K, and (c)–(e) 300 K.

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Table 1. Molecular Parameters Used in the Calculations
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Table 1. Molecular Parameters Used in the Calculations
Molecule $B$ ( ${cm}^{- 1}$ ) $D$ ( ${cm}^{- 1}$ ) $D / B$ ( $\times 10^{- 7}$ ) $Δ α$ ( $Å^{3}$ ) $T_{rev}$ (ps)
CO 1.93^a $6.1 \times 10^{- 6}$ ^a 31.6 0.524^b 8.64
${CO}_{2}$ 0.3902^c $1.19 \times 10^{- 7}$ ^c 3.05 2.0^d 42.7
OCS 0.2039^a $0.43 \times 10^{- 7}$ ^a 2.11 4.67^a 81.7

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Yunxia Huang, Guizhen Liu, Shuwu Xu, "Rotational dephasing of the molecular alignment by centrifugal distortion [Invited]," Chin. Opt. Lett. 20, 100005 (2022)

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