Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions

S. M. Park, P. J. Chong, T. H. Yoon, H. Moon, J. G. Choi

Research output: Contribution to journalConference article

Abstract

When Eu3+ ions in aqueous solution are excited from 7F1 state to 5D0 state with a pulsed dye laser, the population of Eu3+ ions in the 7F1 state decreases temporarily due to the slow decay of the 5D0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu3+ ions was found to decrease when the dye laser wavelength was tuned to the transition. This anomalous photoacoustic effect is attributed to the fast thermal equilibrium between 'cold' Eu3+ ions and ambient water molecules.

Original languageEnglish
Pages (from-to)C7-421-424
JournalJournal De Physique. IV : JP
Volume4
Issue number7
Publication statusPublished - 1994 Jul 1
EventProceedings of the 8th International Topical Meeting on Photoacoustic and Photothermal Phenomena - Guadeloupe, Fr
Duration: 1994 Jan 221994 Jan 25

Fingerprint

Photoacoustic effect
Ions
Dye lasers
dye lasers
excitation
ions
Water
Electron transitions
Pulsed lasers
water
pulsed lasers
aqueous solutions
Wavelength
Molecules
decay
wavelengths
molecules

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Park, S. M., Chong, P. J., Yoon, T. H., Moon, H., & Choi, J. G. (1994). Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions. Journal De Physique. IV : JP, 4(7), C7-421-424.
Park, S. M. ; Chong, P. J. ; Yoon, T. H. ; Moon, H. ; Choi, J. G. / Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions. In: Journal De Physique. IV : JP. 1994 ; Vol. 4, No. 7. pp. C7-421-424.
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abstract = "When Eu3+ ions in aqueous solution are excited from 7F1 state to 5D0 state with a pulsed dye laser, the population of Eu3+ ions in the 7F1 state decreases temporarily due to the slow decay of the 5D0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu3+ ions was found to decrease when the dye laser wavelength was tuned to the transition. This anomalous photoacoustic effect is attributed to the fast thermal equilibrium between 'cold' Eu3+ ions and ambient water molecules.",
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Park, SM, Chong, PJ, Yoon, TH, Moon, H & Choi, JG 1994, 'Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions', Journal De Physique. IV : JP, vol. 4, no. 7, pp. C7-421-424.

Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions. / Park, S. M.; Chong, P. J.; Yoon, T. H.; Moon, H.; Choi, J. G.

In: Journal De Physique. IV : JP, Vol. 4, No. 7, 01.07.1994, p. C7-421-424.

Research output: Contribution to journalConference article

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T1 - Anomalous photoacoustic effect from pulsed excitation of Eu3+ ions

AU - Park, S. M.

AU - Chong, P. J.

AU - Yoon, T. H.

AU - Moon, H.

AU - Choi, J. G.

PY - 1994/7/1

Y1 - 1994/7/1

N2 - When Eu3+ ions in aqueous solution are excited from 7F1 state to 5D0 state with a pulsed dye laser, the population of Eu3+ ions in the 7F1 state decreases temporarily due to the slow decay of the 5D0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu3+ ions was found to decrease when the dye laser wavelength was tuned to the transition. This anomalous photoacoustic effect is attributed to the fast thermal equilibrium between 'cold' Eu3+ ions and ambient water molecules.

AB - When Eu3+ ions in aqueous solution are excited from 7F1 state to 5D0 state with a pulsed dye laser, the population of Eu3+ ions in the 7F1 state decreases temporarily due to the slow decay of the 5D0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu3+ ions was found to decrease when the dye laser wavelength was tuned to the transition. This anomalous photoacoustic effect is attributed to the fast thermal equilibrium between 'cold' Eu3+ ions and ambient water molecules.

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