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Lifetime Measurements of the ^{4}S_{3/2} Level in Erbium Pentaphosphate Monocrystal

100%
Kaczmarek F., Malak H.
Acta Physica Polonica A
|
1996
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vol. 89
|
issue 5-6
669-674
EN
Lifetime of the main fluorescence level, ^{4}S_{3/2}, of erbium pentaphosphate monocrystal was measured to be 380±20 ns. Direct excitation to higher energy levels, and also indirect excitation with the use of an infrared beam were applied.
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Infrared-to-Visible Upconversion in Erbium Pentaphosphate

81%
Kaczmarek F., Balicki M., Karolczak J.
Acta Physica Polonica A
|
1993
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vol. 83
|
issue 6
831-836
EN
Infrared-to-visible upconversion has been observed by many authors in a variety of rare-earth-doped crystals. This paper reports the study of the up-conversion found in stoichiometric erbium pentaphosphate, ErP_{5}O_{1}4. Strong green fluorescence was observed upon pumping the crystal with a cw diode laser at a wavelength of about 800 nm.
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