Optical memory, optical diffraction element, and recording method

Optical pickup device and optical drive device

Optical element and optical head apparatus including the same

Optical information device, optical disc driving device, optical information recording device, optical information reproducing device, gap control method, and optical pickup

Optical information recording/reproducing apparatus and objective optical system for the same

Method for designing objective lens and objective lens

Disc device

Optical pickup device and optical disc apparatus

Objective lens element and optical head device including the same

Objective lens, optical pickup apparatus using the same, and method for manufacturing objective lens

Objective lens for optical pickup device, optical pickup device, and optical information recording and reproducing device

Objective lens, optical head, optical disk apparatus, and information processing apparatus

Objective lens and optical pick-up device using the same

Optical head device, optical information device and information processing device

Objective lens element

Optical Element and Optical Pickup Device

OPTICAL PICKUP APPARATUS AND OBJECTIVE OPTICAL UNIT

Objective lens and optical pickup apparatus using the same

Optical element and objective lens through which a plurality of light beams having different design wavelengths pass

Objective lens element and optical pickup device

Objective optical element and optical pickup device

LAMINATED WAVE PLATE AND OPTICAL DEVICE USING THE SAME

Optical information recording/reproducing apparatus and objective lens for the same

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

Optical system of optical pick-up and optical information recording/reproducing apparatus

Objective lens and optical pickup apparatus

Optical pickup apparatus having multi-sectional polarizer

Phase compensator for coupling an electromagnetic wave into an optical condenser

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

Laminated wave plate, optical pickup device, polarization converter, and projection display apparatus

Optical pickup device and optical disk apparatus

Wave plate, optical pickup and optical disc apparatus

Optical pickup device

Optical Pickup Device and Optical Disk Apparatus Using the Same

Method and system for reading high density optical information

Optical system, optical pickup apparatus, and optical disc apparatus for extracting signal beams

Optical pickup and optical information processing device

Light source device, observation device, and processing device

Optical system, optical pickup apparatus, and optical disk apparatus

Reflecting wavelength plate and optical pickup using reflecting wavelength plate

OPTICAL SCANNING DEVICE

PHASE CORRECTION ELEMENT AND OPTICAL HEAD DEVICE

Optical element, optical element manufacturing method and optical pickup device

Objective lens, optical pickup apparatus and optical information recording and/or reproducing apparatus

Optical head and optical disk apparatus

Optical pickup apparatus and objective optical element

SETUP FOR STORING DATA IN A HOLOGRAPHIC STORAGE MEDIUM AND PHASE PLATE

Optical pickup and information device for reducing an influence of stray light in an information recording medium

Optical pickup objective lens, optical pickup apparatus and optical disc apparatus

Optical pickup and optical data processing device using the same

Optical pickup and optical data processing device using the same

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

Quarter-wave plate, and optical pickup device

Objective optical system and optical information recording/reproducing device having the same

MULTI-CHANNEL OPTICAL PICKUP AND OPTICAL RECORDING/REPRODUCING APPARATUS EMPLOYING THE SAME

HOLOGRAPHIC INFORMATION RECORDING AND/OR REPRODUCING APPARATUS

OPTICAL ARRANGEMENT

Optical pickup device and objective lens used in the same

HOLOGRAM RECORDING DEVICE

OBJECTIVE OPTICAL SYSTEM AND OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE HAVING THE SAME

Optical pickup device

Optical pickup and optical information processing apparatus

Objective optical element for optical pickup device, optical element for optical pickup device, objective optical element unit for optical pickup device and optical pickup device

Optical head device and optical recording and reproducing apparatus

Optical pickup device

OPTICAL HEAD DEVICE

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

Optical pickup and optical disk device having this pickup

DIFFRACTIVE OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS

Optical Head That Improves Read Signal Characteristics

OPTICAL HEAD DEVICE AND OPTICAL RECORDING AND REPRODUCING APPARATUS

Optical pickup having optical path length correction function

Liquid crystal optical element having grouped concentric electrodes

Objective optical element and optical pickup apparatus

Optical system, optical pickup apparatus, and optical disk apparatus

Optical head and optical disk apparatus

Optical pickup device

OPTICAL PICKUP DEVICE

Objective lens optical system

Objective lens element with peripheral diffraction structure and central phase step structure for optical disks and optical head device incorporating the same

Recording apparatus and phase modulation device

OPTICAL PICKUP DEVICE AND OPTICAL DISK DEVICE

Optical pickup device

Phase plate and optical head device

Reading/Writing Optical Device Having Temperature Compensation

Optical disk apparatus compatible with different types of mediums adapted for different wavelengths

Optical pickup apparatus

Light source unit, phase type optical element, and laser beam scanning device

Holographic storage system based on common path interferometry

Optical disc drive apparatus

Complex objective lens for an optical head and optical information apparatus

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

Laminated wave plate and optical pickup device using the same

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

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

Optical pickup and optical disc drive

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

Optical Device For Recording And Reproducing

Optical pickup and optical information apparatus

Objective optical element and optical pickup apparatus

Method and Device for High Density Optical Disk Data Storage

Objective optical system and optical pickup apparatus

Objective lens and optical information read/write device

Optical arrangement

Optical pickup apparatus

Optical head with spherical aberration correction and method of using same

Optical head device and optical information apparatus using the same

Information recording apparatus, information recording medium and information recording medium

Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method

Optical disk apparatus compatible with different types of mediums adapted for different wavelengths

Optical head and optical disc apparatus

Hologram recorder

Optical head device and optical information apparatus using the same

Optical head and optical disk apparatus

Objective lens, optical pickup apparatus and optical information recording and/or reproducing apparatus

Optical pickup apparatus and objective optical unit

Objective lens and optical system for optical pick-up

Objective, optical pickup apparatus and optical information recording and/or reproducing apparatus

Optical pickup apparatus

Optical scanning device

Optical scanning device

Optical pickup lens device and information recording and reproducing device using the same

Optical pickup lens device and information recording and reproducing device using the same

Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass

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

Optical head device and optical recording and reproducing apparatus

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

Chromatic aberration-correcting optical system and optical pickup device using the same

Apparatus having an optical head for reading and/or writing data stored in an optical carrier and method involved in this apparatus

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

Optical pickup apparatus and objective optical element

Objective optical element and optical pickup apparatus

Objective lens for optical pick-up devices, optical pick-up devices, and optical information recording and/or reproducing apparatus

Optical scanning device

Optical scanning device

Optical pickup using an optical phase plate and which is compatible with optical recording media of different types

Compound optical element and optical pickup apparatus

Objective lens and optical head device provided with the same

Optical head device, method of manufacturing the same, and optical information recording and/or playback apparatus

Objective lens and optical pickup apparatus

Zone phase correcting lens and optical head device

Objective lens and optical head device provided with the same

Objective lens for optical pick-up

Optical pickup lens device and information recording and reproducing device using the same

Optical pickup and apparatus for recording and/or reproducing optical recording medium

Optical pick-up system for use in an optical disk device including use of improved gratings with more efficient beam diffraction

Optical pickup and optical information processing apparatus

Optical head device

Objective optical system and optical pickup device using it

Optical head device and optical information recording/reproduction apparatus

Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server

Optical pickup device and optical element

Multi-focus objective lens, optical pickup apparatus and optical information recording reproducing apparatus

Phase correction element and optical head device

Objective lens and optical pickup apparatus

Optical pickup apparatus with objective optical system and guiding optical system

Optical scanning device

Optical element and optical pickup device having the same

Objective optical system of optical pick up, optical pick-up device and optical information recording/reproducing apparatus

Objective optical element and optical pickup apparatus

Objective optical system, optical pickup apparatus and optical information recording and reproducing apparatus

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

Wavefront aberration compensation element, optical pickup, and optical disk apparatus

Optical pickup and recording/reproducing apparatus

Optical pickup device and diffractive optical element

Objective lens for optical disc

Objective lens, optical pickup apparatus and optical information recording and reproducing apparatus

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

Pick-up apparatus for digital storage medium

Optical pickup device

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

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

Optical scanning device

Objective lens for optical pick-up

Diffractive optical element and optical pickup apparatus

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

Field curvature reduction for optical system

Holographic optical information reproducing apparatus

Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus

Optical pickup and optical data processing apparatus

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

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 component and optical pickup apparatus

Multi-wavelength lens, and optical system, optical head and optical disc apparatus using the lens