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Readout of Optical Discs
Vector Theory of Diffraction 88
7 other sections not shown
aberrations AlGaAs amplitude angle applications astigmatic bandwidth beam bits calculated carriage coil Compact Disc components cross-talk curves data storage defocusing depth detection detector signal diameter diffracted orders digital audio drive duty cycle effects electronic encoder equal equation error correction field focus error signal focusing Fourier frequency modulated frequency response geometry grating groove incident intensity intermodulation laser LaserVision lens light path light pen loop lv player magnetic master disc maximum method modulation modulation transfer function noise NTSC numerical aperture objective obtained optical contrast optical disc systems optical read-out optical recording optical system parameters Pasman phase difference photoresist plane position possible pregroove reflection refractive index rotating scalar scanning microscope scanning spot sequence shown in figure shows signal-to-noise ratio spatial frequency spectrum structure substrate suspension symbols tilting mirror track spacing transfer function vector vertical video disc wavelength width wobble