[1] Orlovskii Y V, Basiev T T, Pukhov K K, et al. Low-phonon BaF2: Ho3+, Tm3+ doped crystals for 3.5–4 μm lasing. Opt. Mater. 2010, 32(5): 599-611.
[2] Lee T H, Heo J. 1.6 μm emission and gain properties of Ho3+ in selenide and chalcohalide glasses. J. Appl. Phys., 2005, 98(11): 113510-1-7.
[3] Chen S, Yeo T, Leighton J, et al. Tm:Ho co-doped single mode optical fibre laser pumped by a 1600 nm Er fibre laser. Opt. Commun., 2008, 281(9): 2567-2571.
[4] Brierley M, France P, Millar C. Lasing at 2.08 μm and 1.38 μm in a holmium doped fluoro-zirconate fibre laser. Electron. Lett., 1988, 24(9): 539-540.
[5] Tian Y, Zhang L, Feng S, et al. 2 μm Emission of Ho3+-doped fluorophosphate glass sensitized by Yb3+. Opt. Mater., 2010, 32(11): 1508-1513.
[6] Zhang W J, Zhang Q Y, Chen Q J, et al. Enhanced 2.0 -m emission and gain coefficient of transparent glass ceramic containing BaF2: Ho3+,Tm3+ nanocrystals. Opt. Express, 2009, 17(23): 20952-20958.
[7] Wang M, Yu C, He D, et al. Enhanced 2 μm emission of Yb–Ho doped fluorophosphates glass. J. Non-Cryst. Solids, 2011, 357(11/12/13): 2447-2449.
[8] Gao G, Hu L, Fan H, et al. Investigation of 2.0 μm emission in Tm3+ and Ho3+ co-doped TeO2-ZnO-Bi2O3 glasses. Opt. Mater., 2009, 32(2): 402-405.
[9] Schweizer T, Samson B N, Hector J R, et al. Infrared emission from holmium doped gallium lanthanum sulphide glass. Infrared Phys. Technol., 1999, 40(4): 329-335.
[10] Kim Y S, Cho W Y, Shin Y B, et al. Emission characteristics of Ge-Ga-S glasses doped with Tm3+/Ho3+. J. Non-Cryst. Solids, 1996, 203: 176-181.
[11] Tao H, Mao S, Tong W, et al. Formation and properties of the GeS2-In2S3-KCl new chalcohalide glassy system. Mater. Lett., 2006, 60(6): 741-745.
[12] Guignard M, Nazabal V, Moreac A, et al. Optical and structural properties of new chalcohalide glasses. J. Non-Cryst. Solids, 2008, 354(12/13): 1322-1326.
[13] Xu Y, Chen D, Zhang Q, et al. Bright red upconversion luminescence of thulium ion-doped GeS2-In2S3-CsI glasses. J. Phys. Chem. C, 2009, 113(22): 9911-9915.
[14] Abdel-Aziz M M. Effect of thallium on the crystallization kinetics of the chalcogenide glasses GeSe2 and GeSe4. J. Therm. Anal. Calorim., 2005, 79(3): 709-714.
[15] Tao H, Mao S, Dong G, et al. Raman scattering studies of the Ge-In sulfide glasses. Solid State Commun., 2006, 137(8): 408-412.
[16] Mao S, Tao H, Zhao X, et al. Microstructure and thermal properties of the GeS2-In2S3-CsI glassy system. J. Non-Cryst. Solids, 2008, 354(12/13): 1298-1302.
[17] Tao H, Zhao X, Tong W, et al. Micro-structural study of the GeS2-In2S3-KCl glassy system by Raman scattering. Spectrochim. Acta, Part A, 2006, 64(4): 1039-1045.
[18] Dong G, Tao H, Chu S, et al. Study on the structure dependent ultrafast third-order optical nonlinearity of GeS2-In2S3 chalcogenide glasses. Opt. Commun., 2007, 270(2): 373-378.
[19] Repkova M, Nemec P, Frumar M. Structure and thermal properties of Ge-In-S chalcogenide glasses. J. Optoelectronics Adv. Mater., 2006, 8(5): 1796-1800. |