Effect of Hydroxyl Groups on the IR Luminescence Properties of Bi-doped Barium Aluminophosphate Glasses
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2007年第S1期
论文作者：任进军 邱建荣
文章页码：813 - 816
摘 要：<正>we report on the IR luminescence properties of Bi-doped barium aluminophosphate glasses and the effect of hydroxyl groups on these properties.The IR luminescence spectra cover the 1000 nm to 1700 nm wavelength range with a full width half maximum （FWHM） of about 300 nm,under excitation at wavelength of 808 nm.The concentration of hydroxyl groups was reduced by bubbling CCl4,as evidenced by IR absorption spectra.The integrated intensity of the IR luminescence increases up to 4.6 times,the lifetime of the luminescence increases from 386μs to 674μs,and the FWHM increases from 260 nm to 310 nm,due to the reduction in the concentration of hydroxyl groups.These results indicate that a OH group removal process can enhance the IR broadband luminescence properties of bismuth-doped barium aluminophosphate glasses,an important step towards the development of broadband optical amplifiers.
任进军，邱建荣
摘 要：<正>we report on the IR luminescence properties of Bi-doped barium aluminophosphate glasses and the effect of hydroxyl groups on these properties.The IR luminescence spectra cover the 1000 nm to 1700 nm wavelength range with a full width half maximum （FWHM） of about 300 nm,under excitation at wavelength of 808 nm.The concentration of hydroxyl groups was reduced by bubbling CCl4,as evidenced by IR absorption spectra.The integrated intensity of the IR luminescence increases up to 4.6 times,the lifetime of the luminescence increases from 386μs to 674μs,and the FWHM increases from 260 nm to 310 nm,due to the reduction in the concentration of hydroxyl groups.These results indicate that a OH group removal process can enhance the IR broadband luminescence properties of bismuth-doped barium aluminophosphate glasses,an important step towards the development of broadband optical amplifiers.
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