Spectroscopic properties of Nd3+, Yb3+-doped and Nd3+–Yb3+-codoped high silica glass
Source abstract
Abstract
The Nd3+, Yb3+-doped and Nd3+–Yb3+-codoped high silica glasses (HSGs) were fabricated by sintering porous glasses impregnated with Nd3+ and Yb3+ ions solutions. The Judd–Ofelt theory was used to study the spectroscopic properties of Nd3+-doped HSGs. Large parameter Ω2 of Nd3+-doped HSGs suggests a lower centrosymmetric coordination environment around the Nd3+ in HSG. The spontaneous emission probability and emission cross-section (σem) of Yb3+-doped HSGs are obtained. A broad emission band from 950 to 1,100 nm was detected when the Nd3+–Yb3+-codoped HSG was excited by 808 nm LD. The energy transfer process from Nd3+ to Yb3+ in HSG was described in this paper.
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Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Solid State Laser Technologies
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