This paper reports the phenomenon of ultraviolet multi-photon up-conversion luminescence of amorphous HoP_5O_(14) induced by pulsed DCM dye laser and gives some simple analyses.
CHEN XIAOBO~. ULTRAVIOLET MULTI-PHOTON UP-CONVERSION LUMINESCENCE OF AMORPHOUS HoP_5O_(14) INDUCED BY DCM DYE LASER[J]. Journal of Infrared and Millimeter Waves,1993,12(6):465~468