Characteristics of 5‐eV absorption band in sputter deposited GeO2‐SiO2thin glass films
作者： Junji Nishii , Hiroshi Yamanaka , Hideo Hosono , Hiroshi Kawazoe
DOI: 10.1063/1.111181
关键词: Molar absorptivity 、 Absorption spectroscopy 、 Sputtering 、 Thin film 、 Analytical chemistry 、 Doping 、 Irradiation 、 Materials science 、 Annealing (metallurgy) 、 Absorption band 、 Optics
摘要: Thin films (4.6 μm thick) of 5 GeO2‐95 SiO2 and 55 GeO2‐45 (mol %) glasses were prepared by rf sputtering method in an Ar‐O2 atmosphere. An intense absorption band at around eV was distinctly observed both after the as‐deposited annealed 350 °C for 30 min a vacuum. A part this 5‐eV gradually decreased UV irradiation. Saturated absorptivity changes (−Δα∞) bleached component, which is considered to be origin Hill gratings [K. O. Hill, Y. Fujii, B. S. Kawasaki, Appl. Phys. Lett. 32, 647 (1978)] second‐harmonic generation glass fibers doped with GeO2, prolonged irradiation 50 cm−1 400 films. These values are greater one or two orders magnitude than those (∼2 cm−1) bulk germanosilicate vapor axial deposition method.
harvard.edu
scitation.org
aip.org
sci-hub.se 参考文章(9)
Alvin J. Cohen, Herbert L. Smith, Ultraviolet and infrared absorption of fused Germania Journal of Physics and Chemistry of Solids. ,vol. 7, pp. 301- 306 ,(1958) , 10.1016/0022-3697(58)90281-6
R.M. Atkins, V. Mizrahi, Observations of changes in UV absorption bands of singlemode germanosilicate core optical fibres on writing and thermally erasing refractive index gratings Electronics Letters. ,vol. 28, pp. 1743- 1744 ,(1992) , 10.1049/EL:19921108
F. Bilodeau, Y. Hibino, M. Abe, B. Malo, J. Albert, M. Kawachi, D. C. Johnson, K. O. Hill, Photosensitization of optical fiber and silica-on-silicon/silica waveguides. Optics Letters. ,vol. 18, pp. 953- 955 ,(1993) , 10.1364/OL.18.000953
Hideo Hosono, Yoshihiro Abe, Donald L. Kinser, Robert A. Weeks, Kenichi Muta, Hiroshi Kawazoe, Nature and origin of the 5-eV band in SiO2:GeO2 glasses Physical Review B. ,vol. 46, pp. 11445- 11451 ,(1992) , 10.1103/PHYSREVB.46.11445
Linards Skuja, Isoelectronic series of twofold coordinated Si, Ge, and Sn atoms in glassy SiO2: a luminescence study Journal of Non-crystalline Solids. ,vol. 149, pp. 77- 95 ,(1992) , 10.1016/0022-3093(92)90056-P
Hideo Hosono, Hiroshi Kawazoe, Ken‐ichi Muta, Preferred concentration enhancement of photobleachable defects responsible for 5 eV optical absorption band in SiO2:GeO2 glass preform by heating in a H2 atmosphere Applied Physics Letters. ,vol. 63, pp. 479- 481 ,(1993) , 10.1063/1.110782
K. O. Hill, Y. Fujii, D. C. Johnson, B. S. Kawasaki, Photosensitivity in optical fiber waveguides: Application to reflection filter fabrication Applied Physics Letters. ,vol. 32, pp. 647- 649 ,(1978) , 10.1063/1.89881
Kelly D. Simmons, Barrett G. Potter, Joseph H. Simmons, George I. Stegeman, Photosensitivity of solgel-derived germanosilicate planar waveguides Optics Letters. ,vol. 18, pp. 25- 27 ,(1993) , 10.1364/OL.18.000025
W. Margulis, U. Österberg, Second-harmonic generation in optical glass fibers Journal of The Optical Society of America B-optical Physics. ,vol. 5, pp. 312- 316 ,(1988) , 10.1364/JOSAB.5.000312