Optical pickup device

Optical device, method of producing the same, optical pickup, and optical information processing device

Objective optical system, optical pickup apparatus and optical information recording/reproducing apparatus with diffraction structure and optical path difference-generating structure

Optical reproducing apparatus

Method and apparatus for optical head and optical information reproducing

Optical pickup apparatus and diffractive optical element for optical pickup apparatus

Optical pickup

Collimator optical system and optical information storage device

Hybrid lens array and method of fabricating the same

Holographic optical element, position shift detecting apparatus, optical pickup apparatus, optical recording medium drive and method of fabricating holographic optical element

Two wavelength laser module and optical pickup device

Optical pickup apparatus

Diffractive optical element and optical pickup apparatus

Near-field optical probe

Optical pickup device and optical disc device

Optical head, optical recording and/or reproducing apparatus and integrated optical module

Optical pickup device, optical disk drive, optical device and composite optical element

Optical pickup

Optical disk with plural signal mark positions in a direction substantially perpendicular to tracks

Optical pick-up and objective lens for use with different types of optical discs

Optical pickup device and diffractive optical element

Optical miniaturized module, optical pickup device, and optical disk device provided with light source and photodetector

Objective lens for optical disc

Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device

Planar focusing grating coupler

Optical pickup

Dynamic solid state diffractive optics applied for reading a diffractive optics memory

Optical system for detecting data signal and tracking error signal

Magneto-optic optical miniaturized module and magneto-optic optical pickup device

Optical pickup device

Optical head device and optical information recording/reproducing apparatus

Tilt servo apparatus for use in ROM system

Optical pickup apparatus and optical information recording and/or reproducing apparatus

Diffractive optical element, objective optical system, optical pick-up device and optical information recording reproducing apparatus

Optical disk apparatus with aberration correcting part, and optical disk

Tracking servo control apparatus and method using rotatable grating

Optical pickup apparatus for optical data media of different formats and method thereof

Optical head apparatus and optical information recording and reproduction apparatus

Objective optical system and optical pickup device using it

Optical pickup device

Optical pick-up device for recording/reading information on optical recording medium

Objective lens element for optical disks and optical head device incorporating the same

Objective lens and optical pickup device using it

Optical pickup device and optical system used for the same

Integrated optical pickup and optical recording and/or reproducing apparatus using the same

Lens and optical head device

Diffraction grating element and optical pickup

Optical pickup device using polarizing hologram element and hologram laser therefor

Method for managing defective area of optical recording medium

Optical pickup device and correcting element used in the optical pickup device

Optical pick-up apparatus and divergent angle-converting element

Optical element, optical pickup device and optical information recording and reproducing apparatus

Method and device for detecting optical data and reading-writing apparatus for optical data

Optical pickup including polarization holographic optical element and photodetector

Optical pick-up device and optical information recording reproducing apparatus

Optical pickup and disk drive apparatus

Optical pickup apparatus having an improved holographic unit, and optical disk drive including the same

Tilt sensor and optical disk drive

Optical scanning device

Objective lens for optical pick-up

Optical information recording method, optical information recording apparatus, and optical information recording/reproducing apparatus

Optical head, LD module, optical recording-and-reproducing apparatus and diffraction element used in the optical recording-and-reproducing apparatus

Objective lens with the diffractive surface for DVD/CD compatible optical pickup

Optical device for scanning an optical record carrier

Objective lens

Diffractive optical element, manufacturing method thereof, optical pickup apparatus and optical disk drive apparatus

Optical head and optical disk drive

Inclination detector, optical head, optical information processor computer, video recorder, video reproducer, and car navigation system

Optical pick-up system, optical pick-up device, and optical information recording and/or reproducing apparatus

Near-field light source device, and optical head, optical device, exposure apparatus and microscope device having such a near-field light source device

Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same

Objective optical system and optical pickup device using it

Diffractive optical element and optical pickup apparatus

Optical pickup apparatus, optical element for optical pickup apparatus and producing method of optical element

Compatible optical pickup apparatus

Optical pickup apparatus, optical data recording/reproducing apparatus, and optical data recording/reproducing method

Virtual head for generating a multi-dimensional data signal

Optical head apparatus and optical information processing apparatus

Optical pickup device

Optical pickup with reduced size

Optical pickup and optical recording and/or reproducing apparatus adopting the same

Objective lens

Objective lens for optical recording media and optical pickup device using it

Holographic optical information reproducing apparatus

Laser module, optical pickup device, optical disk device, focus error detection method and tracking error detection method

Optical pickup apparatus and optical pickup method

Optical element, lens and optical head device

Compatible optical pickup

Optical pick-up apparatus

Write-once optical disc, and method and apparatus for recording/reproducing management information on/from optical disc

Optical pickup and optical data processing apparatus

Integrated optical pickup and method of manufacturing the same and optical information storage system including the optical pickup

Objective lens, optical, pickup and optical information processing apparatus using the same

Optical head and recording and/or reproducing apparatus employing same

Optical head and optical disk apparatus

Optical recording and pickup head for digital versatile disc compatible with read-writable compact disc by adopting flat plate lens having staircase type diffraction grating structure

Optical pickup tracking error detecting method and optical pickup device

Compatible optical pickup and optical recording and/or reproducing apparatus employing the same

Optical integrated device and optical pickup apparatus

Optical component and optical pickup apparatus

Forming methods, forming devices for articles having a micro-sized shape and optical elements

Optical head, optical disk drive, and optical system adjustment method

Objective lens, optical pick-up device, and optical disk device

Lens, optical head apparatus, and objective lens for the optical head apparatus

Optical head device, diffraction element and manufacturing method for diffraction element

Optical pickup apparatus having disk thickness deviation correction and method therefor

Optical pick-up, optical disk apparatus and information processing apparatus

Objective lens for optical pick-up

Optical pickup apparatus for detecting a focus-error signal using a spot size detection method

Method for reading and writing with holographic storage system and holographic storage system

Optical device for data storage and compute operations

Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses