Influences of Gel Aging on Crystallization and Spectroscopic Property of Yb
 3+/Al
 3+ Co-Doped SiO2 Powders

Shengnan Yin; Ke Yang; Shuai Han; Qinling Zhou; Wenbin Xu; Fan Wang; Lili Hu; Danping Chen

doi:10.3788/AOS201737.0816001

Acta Optica Sinica, Volume. 37, Issue 8, 0816001(2017)

Influences of Gel Aging on Crystallization and Spectroscopic Property of Yb ³⁺/Al ³⁺ Co-Doped SiO₂ Powders

Shengnan Yin^1,2, Ke Yang^1,2, Shuai Han^1,2, Qinling Zhou¹, Wenbin Xu^1,2, Fan Wang^1,2, Lili Hu¹, and Danping Chen^1、*

Author Affiliations

¹ Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

² University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(8)

Fig. 1. XRD patterns of Al3+/Yb3+-doped silica glass powders after sintering at 1100 ℃ for 2 h

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Fig. 2. XRD patterns of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃

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Fig. 3. Infrared transmission spectra of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃

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Fig. 4. Fluorescence spectra of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃

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Fig. 5. Fluorescence lifetime curves of silica glass powders after sintering at 1100 ℃ for 2 h. (a) After aging treatment at 25 ℃; (b) after aging treatment in autoclave at 90 ℃

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Table 1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders

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Table 1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders

Sample No.		Mole fraction /%		Technical parameter
Sample No.	Yb₂O₃	Al₂O₃		SiO₂
1#	-	-	100.0	-
2#	0.1	-	99.9	-
3#	-	1.0	99.0	-
4#	0.1	1.0	98.9	-
5#	0.1	1.0	98.9	18 d at 25 ℃
6#	0.1	1.0	98.9	25 d at 25 ℃
7#	0.1	1.0	98.9	46 d at 25 ℃
8#	0.1	1.0	98.9	24 h in autoclave (90 ℃)
9#	0.1	1.0	98.9	48 h in autoclave (90 ℃)

Table 2. Doping contents of samples before and after aging treatment
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Table 2. Doping contents of samples before and after aging treatment
Situation Mass fraction /%
Yb³⁺ Al³⁺
Before aging treatment 0.63 0.99
After aging treatment 0.60 0.95

Table 3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h
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Table 3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h
Sample No. 4# 5# 6# 7# 8# 9#
Lifetime /μs 660 518 703 742 782 767

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Shengnan Yin, Ke Yang, Shuai Han, Qinling Zhou, Wenbin Xu, Fan Wang, Lili Hu, Danping Chen. Influences of Gel Aging on Crystallization and Spectroscopic Property of Yb ³⁺/Al ³⁺ Co-Doped SiO₂ Powders [J]. Acta Optica Sinica, 2017, 37(8): 0816001

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Paper Information

Category: Materials

Received: Dec. 30, 2016

Accepted: --

Published Online: Sep. 7, 2018

The Author Email: Chen Danping (chen@mail.sio)

DOI:10.3788/AOS201737.0816001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders

Table 1. Technical parameters of aging treatment and compositions of Yb3+/Al3+-doped silica glass powders

Table 2. Doping contents of samples before and after aging treatment

Table 2. Doping contents of samples before and after aging treatment

Table 3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h

Table 3. Fluorescence lifetimes of silica glass powders after sintering at 1100 ℃ for 2 h