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A series of Yb-doped silicate glasses with the composition of 60 SiO2-12 Al2O3-28 CaO-1.0 mol% Yb2O3 are prepared by a conventional melting method under normal processing conditions. These glasses are divided into two groups. One group experienced a total dose 3 kGy radiation under a Co60 radiation source, and the other group is pristine. The absorption spectra as well as the near-infrared (NIR) luminescence spectra of the glasses (pristine Ybc, irradiated Ybc, heat bleaching Ybc) are investigated. Theoretically, effects of gamma-ray radiation exposure would lead to the formation of color centers in the glass samples. Such radiation-induced color center defects cause a strong broad optical absorption band with widths from 300 to 900 nm, and its tail extends into the NIR region. In this experiment the absorption coefficient of the glass is measured by a ultraviolet-visible spectrophotometer named Lambda35, and the NIR spectrum is measured by a Zolix grating spectrometer named Omni-. Furthermore, a special test system is set up to test the NIR spectrum of the glass at high temperatures. Experimental results show that the absorption coefficient of the glass after irradiation increases significantly in the visible region. The absorption coefficients of the glasses (pristine Ybc, irradiated Ybc) at 400 nm are 0.93 cm-1 and 2.9 cm-1 respectively. With a certain temperature treatment, the absorption coefficient of the irradiated glass is 1.89 cm-1 at 400 nm. Compared with the absorption coefficient obtained before, it is decreased by 35%. The NIR intensities of the glasses (pristine Ybc, irradiated Ybc, heat bleaching Ybc) are 588, 261 and 436 (arbitrary units) respectively. It may be due to the color center defects produced by radiation, that have decomposed under a certain temperature treatment. As a result, this method greatly improve the optical performance of the glass. So thermal bleaching phenomenon will happen in the irradiated glass that experiences in a certain temperature treatment. Finally, results obtained in this paper may provide a theoretical basis for studying the anti-radiation of optical glasses.
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Keywords:
- Yb-doped silicate glass /
- near infrared luminescence /
- absorption coefficient /
- thermal bleaching
[1] Brooks C, Di Teodoro F 2005 Opt. Express 13 8999
[2] Griscom D L, Gingerich M E, Friebele E J 1993 Phys. Rev. Lett. 71 1019
[3] Friebele E J, Schultz P C, Gingerich M E 1980 Appl. Opt. 19 2910
[4] Fox B P, Simmons-Potter K, Thomes W J, Meister D C, Bambha R P, Kliner D A V 2010 IEEE Trans. Nucl. Sci. 57 1618
[5] Paschotta R, Nilsson J, Tropper A C, Hanna D C 1997 IEEE J. Quantum. Elect. 33 1049
[6] Tortech B, Ouerdane Y, Girard S, Marcandella C, Robin T 2009 J. Non-Cyst. Solids. 355 1085
[7] Fox B P, Schneider Z V, Simmons-Potter K, Thomes W J, Meister D C 2008 IEEE J. Quantum. Elect. 44 581
[8] Griscom D L 2013 Phys. Res. Int. 2013 379041
[9] Girard S, Kuhnhenn J A, Brichard B, Uffelen M V, Ouerdane Y, Boukenter A, Marcandella C 2013 IEEE Trans. Nucl. Sci. 60 2015
[10] Griscom D L, Gingerich M E, Friebele E J 1994 IEEE Trans. Nucl. Sci. 41 523
[11] Skuja L, Hirano M, Hosono H 2005 Phys. Status Solidi C 2 15
[12] Raghavachari K, Ricci D, Pacchioni G 2002 J. Chem. Phys. 116 825
[13] Girard S, Tortech B, Regnier E, Uffelen M Van, Gusarov A, Ouerdane Y 2007 IEEE Trans. Nucl. Sci. 54 2426
[14] Tortech B, Gusarov A, Van Uffelen M, Bisutti J, Girard S, Ouerdane Y, Boukenter A, Meunier J P, Berghmans F, Thienpont H 2007 IEEE Trans. Nucl. Sci. 54 2598
[15] Girard S, Ouerdane Y, Tortech B, Marcandella C, Robin T, Cadier B, Baggio J, Paillet P, Ferlet-Cavrois V, Boukenter A 2009 IEEE Trans. Nucl. Sci. 56 3293
[16] Griscom D L 1991 J. Ceram. Soc. Jpn. 99 923
[17] Raghavachari K, Pacchioni G 2001 J. Chem. Phys. 114 4657
[18] Griscom D L 2004 J. Non-Cyst. Solids. 349 139
[19] Sasajima Y, Tanimura K 2003 Phys. Rev. B 68 014204
[20] Griscom D L 2006 J. Non-Cyst. Solids 352 2601
[21] Engholm M, Norin L, Berg D 2007 Opt. Lett. 32 3352
[22] Fox B P, Simmons-Potter K, Simmons J H, Thomes W J, Bambha R P, Kliner D A V 2008 Proc. SPIE 6873 6873F
[23] Zhang H C, Liu H, Qiang W Q, Li X J, He S Y 2012 Acta Phys. Sin. 61 034213 (in Chinese) [张红晨, 刘海, 乔文强, 李兴冀, 何世禹 2012 物理学报 61 034213]
[24] Carlson C G, Keister K E, Dragic P D, Croteau A, Eden J G 2010 J. Opt. Soc. Am. B 27 2087
[25] Jiang H, Chen B X, Fu C S, Sui G R, Mamoru I 2010 Acta Phys. Sin. 59 7782 (in Chinese) [姜辉, 陈抱雪, 傅长松, 隋国荣, 矶守 2010 物理学报 59 7782]
[26] Stroud J S 1962 J. Chem. Phys. 37 836
[27] Stroud J S 1965 J. Chem. Phys. 43 2442
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[1] Brooks C, Di Teodoro F 2005 Opt. Express 13 8999
[2] Griscom D L, Gingerich M E, Friebele E J 1993 Phys. Rev. Lett. 71 1019
[3] Friebele E J, Schultz P C, Gingerich M E 1980 Appl. Opt. 19 2910
[4] Fox B P, Simmons-Potter K, Thomes W J, Meister D C, Bambha R P, Kliner D A V 2010 IEEE Trans. Nucl. Sci. 57 1618
[5] Paschotta R, Nilsson J, Tropper A C, Hanna D C 1997 IEEE J. Quantum. Elect. 33 1049
[6] Tortech B, Ouerdane Y, Girard S, Marcandella C, Robin T 2009 J. Non-Cyst. Solids. 355 1085
[7] Fox B P, Schneider Z V, Simmons-Potter K, Thomes W J, Meister D C 2008 IEEE J. Quantum. Elect. 44 581
[8] Griscom D L 2013 Phys. Res. Int. 2013 379041
[9] Girard S, Kuhnhenn J A, Brichard B, Uffelen M V, Ouerdane Y, Boukenter A, Marcandella C 2013 IEEE Trans. Nucl. Sci. 60 2015
[10] Griscom D L, Gingerich M E, Friebele E J 1994 IEEE Trans. Nucl. Sci. 41 523
[11] Skuja L, Hirano M, Hosono H 2005 Phys. Status Solidi C 2 15
[12] Raghavachari K, Ricci D, Pacchioni G 2002 J. Chem. Phys. 116 825
[13] Girard S, Tortech B, Regnier E, Uffelen M Van, Gusarov A, Ouerdane Y 2007 IEEE Trans. Nucl. Sci. 54 2426
[14] Tortech B, Gusarov A, Van Uffelen M, Bisutti J, Girard S, Ouerdane Y, Boukenter A, Meunier J P, Berghmans F, Thienpont H 2007 IEEE Trans. Nucl. Sci. 54 2598
[15] Girard S, Ouerdane Y, Tortech B, Marcandella C, Robin T, Cadier B, Baggio J, Paillet P, Ferlet-Cavrois V, Boukenter A 2009 IEEE Trans. Nucl. Sci. 56 3293
[16] Griscom D L 1991 J. Ceram. Soc. Jpn. 99 923
[17] Raghavachari K, Pacchioni G 2001 J. Chem. Phys. 114 4657
[18] Griscom D L 2004 J. Non-Cyst. Solids. 349 139
[19] Sasajima Y, Tanimura K 2003 Phys. Rev. B 68 014204
[20] Griscom D L 2006 J. Non-Cyst. Solids 352 2601
[21] Engholm M, Norin L, Berg D 2007 Opt. Lett. 32 3352
[22] Fox B P, Simmons-Potter K, Simmons J H, Thomes W J, Bambha R P, Kliner D A V 2008 Proc. SPIE 6873 6873F
[23] Zhang H C, Liu H, Qiang W Q, Li X J, He S Y 2012 Acta Phys. Sin. 61 034213 (in Chinese) [张红晨, 刘海, 乔文强, 李兴冀, 何世禹 2012 物理学报 61 034213]
[24] Carlson C G, Keister K E, Dragic P D, Croteau A, Eden J G 2010 J. Opt. Soc. Am. B 27 2087
[25] Jiang H, Chen B X, Fu C S, Sui G R, Mamoru I 2010 Acta Phys. Sin. 59 7782 (in Chinese) [姜辉, 陈抱雪, 傅长松, 隋国荣, 矶守 2010 物理学报 59 7782]
[26] Stroud J S 1962 J. Chem. Phys. 37 836
[27] Stroud J S 1965 J. Chem. Phys. 43 2442
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