Optical Data Storage: Summaries of Papers Presented at the Optical Data Storage Topical Meeting, January 17-19, 1989, Los Angeles California |
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Page 37
... AlGaAs technology has been applied to lasers with < 700nm . Since 680nm represents the short- wavelength limit for AlGaAs lasers , however , performance of visible AlGaAs lasers is significantly degraded compared to IR AlGaAs lasers ...
... AlGaAs technology has been applied to lasers with < 700nm . Since 680nm represents the short- wavelength limit for AlGaAs lasers , however , performance of visible AlGaAs lasers is significantly degraded compared to IR AlGaAs lasers ...
Page 39
... AlGaAs lasers , and threshold currents are somewhat more sensitive to ambient temperature , CW long - lived operation at low powers has been demonstrated . For use in optical storage systems , diodes operating in a single lateral mode ...
... AlGaAs lasers , and threshold currents are somewhat more sensitive to ambient temperature , CW long - lived operation at low powers has been demonstrated . For use in optical storage systems , diodes operating in a single lateral mode ...
Page 114
... AlGaAs laser diode with a wavelength of 830 nm was used for writing , reading , and erasing MO disks . The beam from the laser diode was circularized by a prism and then focused onto the medium by a 0.5 - NA objective lens . The ...
... AlGaAs laser diode with a wavelength of 830 nm was used for writing , reading , and erasing MO disks . The beam from the laser diode was circularized by a prism and then focused onto the medium by a 0.5 - NA objective lens . The ...
Common terms and phrases
active layer AlGaAs AlGaInP alloy amorphous angle Appl beam spots bias coil Bilayer carrier-to-noise ratio CD-R configuration crosstalk crystallization density detector diffraction efficiency diode laser disk drive electronic error rate experimental Figure Floptical focusing frequency function groove Hitachi holographic interface irradiation Japan laser beam laser diode laser noise laser power Lett light linear magnetic field magneto-optical disk mark method MO disk modulation objective lens optical data storage optical disk optical disk drive optical drives optical head Optical Memory optical recording optical storage overwrite phase change phase-change optical Photon Energy Phys plasma edge polarization polycarbonate prism pulse R-PHOE read channel readout signal reflectance retardation SCSI servo shot noise shown in Fig shows spectrum spin coating surface temperature thickness thin films track density tracking error signal tracking servo velocity wavelength write-once writing power