A simplified computational model for super resolution effect in optical discs is proposed and simulations are
compared with experimental results, providing basic understanding of this phenomenon. Simulations show that
resolution beyond the diffraction limit is achieved and signal destruction occurs at some frequencies when the
super resolution layer is activated.
KEYWORDS: Channel projecting optics, Super resolution, Linear filtering, Optical filters, Digital filtering, Adaptive optics, Optical tracking, Error analysis, Signal to noise ratio, Nonlinear filtering
Optical channel properties of InSb-based super-resolution disc systems are estimated using an adaptive Volterra filter.
Channel characteristics for minimum mark lengths of 80 and 60 nm and track pitches of 320 and 260 nm are presented.
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