DocumentCode
1813446
Title
Estimation of readout signal fluctuation in multi-layer index modulation
Author
Saito, Kimihiro
Author_Institution
Adv. Storage Lab., Sony Corp., Atsugi
fYear
2009
fDate
10-13 May 2009
Firstpage
113
Lastpage
114
Abstract
In micro-reflector optical disc systems, multi-layer index modulation distribution causes wavefront fluctuation in the light beam passing through the recorded layers. Generally, the Marechal´s criterion 0.07lambdarms is widely used as a figure of merit for wavefront quality of a light beam for readout. However, due to the fine structure of the wavefront fluctuation by the recorded marks, the decay of readout signal is less comparing to the general case.
Keywords
micro-optics; optical disc storage; optical modulation; optical multilayers; reflectivity; Marechal criterion; micro-reflector optical disc system; multilayer index modulation; readout signal fluctuation estimation; wavefront fluctuation; Diffraction; Fluctuations; Glass; Jitter; Laboratories; Material storage; Optical materials; Optical modulation; Optical recording; Servomechanisms;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Data Storage Topical Meeting, 2009. ODS '09.
Conference_Location
Lake Buena Vista, FL
Print_ISBN
978-1-4244-3342-1
Electronic_ISBN
978-1-4244-3343-8
Type
conf
DOI
10.1109/ODS.2009.5031745
Filename
5031745
Link To Document