New TEA-lasers based onD′→A′ transitions in halogen monofluoride compounds: ClF (284.4 nm), BrF (354.5 nm), IF (490.8 nm)

Diegelmann, M.; Grieneisen, Hans Peter Henrik; Hohla, K.; Hu, Xiang‐Ping; Krasiński, Jerzy S.; Kompa, K. L.

doi:10.1007/bf00914912

Cited by 36 publications

(7 citation statements)

References 10 publications

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“…The signals for vϭ0 were strong, while those for vϭ1 were rather weak; those for vϭ2 were expected to be too weak to be observed, and were not sought. Because of the high resolution the anticipated 19 F splittings were resolved. The lines of IF were located in a similar way, using published transition frequencies 10 or predictions from spectroscopic constants.…”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, Doppler-free saturation spectroscopy of the B 3 ⌸ ͑0 ϩ ͒-X 1 ⌺ ϩ transition of IF yielded iodine quadrupole and spin-rotation constants in excited vibrational states for both electronic states. 18 No splittings due to 19 F hyperfine interactions had previously been observed. There has been considerable recent interest in using the interhalogens, 19,20 particularly ClF ͑Refs.…”

Section: Introductionmentioning

confidence: 94%

“…18 No splittings due to 19 F hyperfine interactions had previously been observed. There has been considerable recent interest in using the interhalogens, 19,20 particularly ClF ͑Refs. 21 and 22͒ and IF, [23][24][25][26][27] for lasers in the visible and UV regions.…”

Section: Introductionmentioning

confidence: 94%

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Hyperfine constants of bromine and iodine monofluoride

Müller¹,

Gerry²

1995

The Journal of Chemical Physics

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The JЈϪJЉϭ1Ϫ0 rotational transitions of 79 BrF, 81 BrF, and IF have been reinvestigated in the ground and first excited vibrational states using microwave Fourier transform spectroscopy. For IF, lines were also detected in the second excited vibrational state. Bromine and iodine nuclear quadrupole coupling constants, spin-rotation constants for all nuclei, and tensor and scalar spinspin coupling constants ͑S and J͒, have been determined along with the rotational constants. Antishielding occurs at the fluorine nucleus for both BrF and IF, as has been found earlier for ClF. The antishielding has been rationalized following a model developed for ClF. The ratio 1.197 0514 ͑32͒ has been found for the equilibrium bromine quadrupole coupling constants of 79/81 BrF.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 94%

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Hyperfine constants of bromine and iodine monofluoride

Müller¹,

Gerry²

1995

The Journal of Chemical Physics

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“…The completion of the analysis of the DЈ 3 AЈ emission spectrum permits us to identify for the first time the transitions involved in the ClF UV laser (12,41). The strong laser peak reported near 248.4 nm happens also to be the strongest feature in the low-resolution emission spectrum (Fig.…”

Section: Resultsmentioning

confidence: 98%

“…This transition owes its intensity in part to the fact that the excitation energy pools in the DЈ state via collision-induced vibrational and rotational relaxation, occurring on a time scale that is short with respect to the radiative decay of the state, which itself is fast (Ͻ10 Ϫ8 s lifetime) (10). These properties made these systems look promising as operating media for electronic transition lasers; in fact, lasing was demonstrated long ago on this transition in all four homonuclear halogens, and in ClF, BrF, and IF (11,12). Interestingly, these lasing demonstrations mostly preceded the detailed spectroscopic characterization of the states involved.…”

Section: Introductionmentioning

confidence: 95%