Absolute Luminous Flux and Quantum Yield of Sm3+-Doped Cadmium-Aluminum-Silicate Glasses under the Pumping of Blue Light Emitting Diode

Yu Lei; Fang Fang Fu; Li Zheng; Zhi Qiang Wang; Xin Zhao; Hai Lin

doi:10.4028/www.scientific.net/AMM.275-277.1974

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 275-277Absolute Luminous Flux and Quantum Yield of...

Absolute Luminous Flux and Quantum Yield of Sm³⁺-Doped Cadmium-Aluminum-Silicate Glasses under the Pumping of Blue Light Emitting Diode

Abstract:

Absolute luminous flux and quantum yield for multichannel transition emissions have been determined in samarium ion (Sm³⁺)-doped cadmium-aluminum-silicate (CAS) glasses under the pumping of blue light emitting diode (LED) using an integrating sphere of 30 cm diameter, which connected to a CCD detector with a 400 μm-core optical fiber. The radiant flux and luminous flux for the visible transition emissions (550–750 nm) of Sm³⁺ under the blue LED excitation were solved to be 123 μW and 32 mlm, respectively, which occupied 1.51% and 7.16% of the whole. The total quantum yield of the visible fluorescence of Sm³⁺ has been calculated to be 2.52%. Investigation on optical radiation parameters for multichannel visible transition emissions of Sm³⁺ in CAS glasses provides a reference in developing luminescence and display materials.

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Applied Mechanics and Materials (Volumes 275-277)

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1974-1977

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https://doi.org/10.4028/www.scientific.net/AMM.275-277.1974

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January 2013

Authors:

Yu Lei, Fang Fang Fu, Li Zheng, Zhi Qiang Wang, Xin Zhao, Hai Lin

Keywords:

Absolute Luminous Flux, Cadmium-Aluminum-Silicate Glasses, Quantum Yiel, Samarium Ion

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