Pan Lihua, Dong Xiangming, Zhang Siyuan. STUDY OF FLUORESCENT LIFETIMES OF Sm<sub>x</sub>La<sub>1-x</sub>P<sub>5</sub>O<sub>14</sub> AND Dy<sub>x</sub>Y<sub>1-x</sub>P<sub>5</sub>O<sub>14</sub> SINGLE CRYSTALS[J]. Chinese Journal of Luminescence, 1989,10(4): 296-303
Pan Lihua, Dong Xiangming, Zhang Siyuan. STUDY OF FLUORESCENT LIFETIMES OF Sm<sub>x</sub>La<sub>1-x</sub>P<sub>5</sub>O<sub>14</sub> AND Dy<sub>x</sub>Y<sub>1-x</sub>P<sub>5</sub>O<sub>14</sub> SINGLE CRYSTALS[J]. Chinese Journal of Luminescence, 1989,10(4): 296-303DOI:
STUDY OF FLUORESCENT LIFETIMES OF SmxLa1-xP5O14 AND DyxY1-xP5O14 SINGLE CRYSTALS
single crystals originating from transitions between
4
G
5/2
and
6
H
J
(
J
=5/2
7/2
9/2
11/2) energy levels and Dy
3+
in Dy
x
Y
1-x
P
5
O
14
single crystal originating from transitions between
4
F
9/2
and
6
H
J
(
J
=15/2
13/2
11/2
9/2) energy levels at several concentrations were measured and investigated in detail.The measurement of lifetime was completed by pulse decay curve method and time resolved fluorescent spectrum method
the relative crror
<
15%. The set-up of lifetime measuring consists of a N
2
laser and a photoelectricity detecting system with pulsed gated Boxcar averager. Measurement of fluorescent intensities of the rare earth pentaphosphate single crystals was completed by MPF-4 Fluorimetcr.