1.3 microm to visible upconversion in Dy[sup 3+]- and Er[sup 3+]-codoped BaCl[sub 2] phosphor

Ohwaki, Junichi; Yuhu Wang
July 1994
Applied Physics Letters;7/11/1994, Vol. 65 Issue 2, p129
Academic Journal
Examines a 1.3 micrometer to visible upconversion in a BaCl[sub 2]:Dy,Er phosphor system. Visibility of yellow fluorescence under a laser diode irradiation; Generation of fluorescence lines from radiative transitions; Role of Dy[sup 3+] ions at 1.3 micrometer and to Er[sup 3+] ions; Suppression of multiphoton relaxation in the upconversion process.


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