Title :
Laser-induced Ge Atom Switching as aKey to Understanding Phase-change Optical Media
Author :
Kolobov, A.V. ; Fons, P. ; Tominaga, J. ; Frenkel, A.I. ; Ankudinov, A.L. ; Uruga, T.
Author_Institution :
Center for Applied Near-Field Optics Research (CANFOR), National Institute of Advanced Industrial Science and Technology (AIST), Japan; a.kolobov@aist.go.jp
Abstract :
We demonstrate that high performance of re-writable DVDs is due to a very unusual nature of amorphization which is not simple disordering but consists of reversible lase-induced switch of Ge atoms between octahedral and tetrahedral sites.
Keywords :
Amorphous materials; Atom lasers; Atom optics; Atomic beams; Crystalline materials; Crystallization; Electromagnetic wave absorption; Optical films; Optical scattering; Tellurium;
Conference_Titel :
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN :
0-7803-9242-6
DOI :
10.1109/CLEOPR.2005.1569365