Prospect for Vibrational Transition Frequency Measurement of Rare-gas Hydride Ions
M Kajita, N Kimura - Journal of the Physical Society of Japan, 2020 - journals.jps.jp
M Kajita, N Kimura
Journal of the Physical Society of Japan, 2020•journals.jps.jpA method of precise measurement of the transitions in HeH+ (89.1 THz), NeH+ (81.3 THz),
and ArH+ (77.1 THz) molecular ions is proposed. These E1-allowed transitions are useful for
locking the frequencies of infrared lasers because they are free from electric-quadrupole
shifts. The DC Stark and Zeeman shifts are suppressed to below 10− 16. The molecular ions
are prepared in the state using a cryogenic chamber without optical pumping.
Measurements with low systematic uncertainty using a small number of molecular ions is …
and ArH+ (77.1 THz) molecular ions is proposed. These E1-allowed transitions are useful for
locking the frequencies of infrared lasers because they are free from electric-quadrupole
shifts. The DC Stark and Zeeman shifts are suppressed to below 10− 16. The molecular ions
are prepared in the state using a cryogenic chamber without optical pumping.
Measurements with low systematic uncertainty using a small number of molecular ions is …
A method of precise measurement of the transitions in HeH+ (89.1 THz), NeH+ (81.3 THz), and ArH+ (77.1 THz) molecular ions is proposed. These E1-allowed transitions are useful for locking the frequencies of infrared lasers because they are free from electric-quadrupole shifts. The DC Stark and Zeeman shifts are suppressed to below 10−16. The molecular ions are prepared in the state using a cryogenic chamber without optical pumping. Measurements with low systematic uncertainty using a small number of molecular ions is possible by quantum logical spectroscopic detection of the state to which molecular ions are pumped by the clock laser.
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