Efficient up-conversion fluorescence in charge transfer compound crystal

H. Z. Wang, X. G. Zheng, W. D. Mao, Z. X. Yu, Z. L. Gao, G. Q. Yang, P. F. Wang, S. K. Wu

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A series of new intramolecular charge transfer compounds with absorption bands in shorter wavelengths have been synthesized. Bright visible light emits from the crystals of these new compounds under infrared pulsed laser pumping. The spectral and pump density dependent properties demonstrate that some of the emissions are up-conversion fluorescence due to two photon absorption. The fluorescent yields of one- and two-photon absorption are in the same order at high pump density. This work demonstrates that these new intramolecular charge transfer crystals are good candidates for nonlinear optical materials.

Original languageEnglish
Pages (from-to)3441
Number of pages1
JournalApplied Physics Letters
Volume66
DOIs
StatePublished - 1995
Externally publishedYes

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