Anomalous photoacoustic effect from pulsed excitation of Eu 3+ ions

S. M. Park, P. J. Chong, T. H. Yoon, H. Moon, Joong-Gill Choi

Research output: Contribution to journalConference article

Abstract

When Eu 3+ ions in aqueous solution are excited from 7 F 1 state to 5 D 0 state with a pulsed dye laser, the population of Eu 3+ ions in the 7 F 1 state decreases temporarily due to the slow decay of the 5 D 0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu 3+ 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' Eu 3+ ions and ambient water molecules.

Original languageEnglish
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, Joong-Gill. / Anomalous photoacoustic effect from pulsed excitation of Eu 3+ ions In: Journal De Physique. IV : JP. 1994 ; Vol. 4, No. 7.
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Anomalous photoacoustic effect from pulsed excitation of Eu 3+ ions . / Park, S. M.; Chong, P. J.; Yoon, T. H.; Moon, H.; Choi, Joong-Gill.

In: Journal De Physique. IV : JP, Vol. 4, No. 7, 01.07.1994.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Anomalous photoacoustic effect from pulsed excitation of Eu 3+ ions

AU - Park, S. M.

AU - Chong, P. J.

AU - Yoon, T. H.

AU - Moon, H.

AU - Choi, Joong-Gill

PY - 1994/7/1

Y1 - 1994/7/1

N2 - When Eu 3+ ions in aqueous solution are excited from 7 F 1 state to 5 D 0 state with a pulsed dye laser, the population of Eu 3+ ions in the 7 F 1 state decreases temporarily due to the slow decay of the 5 D 0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu 3+ 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' Eu 3+ ions and ambient water molecules.

AB - When Eu 3+ ions in aqueous solution are excited from 7 F 1 state to 5 D 0 state with a pulsed dye laser, the population of Eu 3+ ions in the 7 F 1 state decreases temporarily due to the slow decay of the 5 D 0 state. The magnitude of transient photoacoustic signal from absorption of light by water and Eu 3+ 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' Eu 3+ ions and ambient water molecules.

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