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OPTICAL PROPERTY OF Tm:YVO4 CRYSTAL
Author(s) -
Xiaobo Chen,
Chenjuan He,
Luan Chen,
Zhuang Jian,
Song Zeng-Fu
Publication year - 2001
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.50.1371
Subject(s) - materials science , laser , lasing threshold , crystal (programming language) , oscillator strength , ion , absorption (acoustics) , anisotropy , radiative transfer , optics , wavelength , absorption cross section , luminescence , atomic physics , optoelectronics , cross section (physics) , physics , quantum mechanics , astronomy , computer science , composite material , programming language , spectral line
YVO4 crystal has high laser output slope efficiency and damage threshold,good mechanical property and chemical stability.We have measured the absorption of Tm:YVO4 crystal.The anisotropy effect is taken account.The optical intensity parameters are fitted out.And the oscillator strength f,the radiative transition rate,the integral emission section Σ are calculated.In the wavelength range of 350—2500nm,the absorption of YVO4 crystal itself is rather small.However,Tm3+ ions in the YVO4 crystal have very strong luminescent ability. Especially,the 1D2→3F4 (about 454nm) blue transition has excellent oscillator strength (f=38×10-6) and integral emission section (Σ=33×10-18cm).It is quite benefit to achieve laser lasing in short-wavelength.In brief,the rare earth ion doped YVO4 crystal is a kind of wonderful laser material,which has great applications in future.

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