Estimation of readout signal fluctuation in multi-layer index modulation

Kimihiro Saito

doi:10.1117/12.839473

31 July 2009 Estimation of readout signal fluctuation in multi-layer index modulation

Kimihiro Saito

Proceedings Volume 7505, Optical Data Storage 2009; 75051A (2009) https://doi.org/10.1117/12.839473
Event: Optical Data Storage, 2009, Lake Buena Vista, Florida, United States

Abstract

In Micro-Reflector optical disc systems, multi-layer index modulation distribution causes wavefront fluctuation in the light beam passing through the layers. Generally, the Merecial's criterion 0.07λrms is widely used as a figure of merit for the 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.

Citation Download Citation

Kimihiro Saito "Estimation of readout signal fluctuation in multi-layer index modulation", Proc. SPIE 7505, Optical Data Storage 2009, 75051A (31 July 2009); https://doi.org/10.1117/12.839473

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