Statistics – Applications
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5946..210r&link_type=abstract
Optical Materials and Applications. Edited by Rosental, Arnold. Proceedings of the SPIE, Volume 5946, pp. 210-214 (2005).
Statistics
Applications
Scientific paper
Persistent spectral hole burning (PSHB) has remarkable applications in optical data storage and processing, including space-ftequency and space-time domain holographies. Experiments have proven practically everything predicted and proposed by theory. The bottleneck between laboratory experiments and commercial applications is the need in low (liquid He) temperatures, as the main parameter of the data storage efficiency-the ratio between the inhomogeneous and homogeneous zero-phonon line (ZPL) widths α(T) = Γinh/Γhom(T)--decreases owing to the rapid increase of Γhom(T) with temperature. A few optical and Mbssbauer ZPLs are narrow even at RT, but they have usually also narrow Γinh. It is proposed to enlarge Γinh by making use of the Doppler effect. Two possible manifestations of the Doppler effect in the Universe are also discussed.
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