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Urashima, Shuhei; Namba, Tomotaro; Kusaka, Ryoji
Analyst, 151(12), p.3586 - 3591, 2026/06
Times Cited Count：1 Percentile：0.00(Chemistry, Analytical)
O/TO in the gas phase with nonresonant laser pulsesNamba, Tomotaro; Kumagai, Yuta
Journal of Chemical Physics, 164(21), p.214303_1 - 214303_9, 2026/06
Times Cited Count：0 Percentile：0.00(Chemistry, Physical)Kusaka, Ryoji; Urashima, Shuhei; Nakamura, Satoshi; Sasaki, Yuji; Sekikawa, Takuya; Namba, Tomotaro; Toigawa, Tomohiro; Murai, Yugo; Inokuchi, Yoshiya*
no journal, ,
no abstracts in English
Kawaoto, Ryoma*; Namba, Tomotaro; Kumagai, Yuta; Otsuki, Yukiyoshi*
no journal, ,
Kawaoto, Ryoma*; Namba, Tomotaro; Kumagai, Yuta; Otsuki, Yukiyoshi*
no journal, ,
no abstracts in English
O and TONamba, Tomotaro; Kumagai, Yuta
no journal, ,
Because isotopes have similar chemical properties, isotope separation is more difficult than elemental separation. Laser isotope separation (LIS) provides high efficiency in a single-stage process. However, LIS is molecule-specific and requires tunable narrowband laser sources. An isotope-selective separation by nonresonant laser-induced molecular rotation was developed to overcome the limitation of laser sources. For linear molecules, it is efficient to irradiate iterative laser pulses timed to a molecular rotational period. On the other hand, asymmetric-top molecules, such as H
O, do not have a clear rotation period. We numerically simulate laser-induced molecular rotation of HO and TO in the gas phase and determine appropriate pulse parameters, including polarization conditions, intensity, and timing of irradiation.
