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A dual-layer optical disk comprised of a read-only layer and a phase-change layer was designed to perform the read-only and erasable dual-functionality in an optical disk. With the properly designed d...
Volumetric optical disks comprising multiple data layers have been proposed to multiply recording density. Owing to the presence of out-of-focus data layers, interlayer cross talk is induced in readou...
Initialization characteristics and their effects on the erasability of phase change optical disks using transmission electron microscopy
phase change optical disks initialization mark characteristics erasability transmission electron microscopy
2011/11/30
We investigated the microstructure of phase change optical disks subjected to various initialization conditions using transmission electron microscopy (TEM). The effects of initialization powers on th...
High-efficiency micro-optical color filter for liquid-crystal projector system applications
2011/11/30
High-efficiency color filters composed of a microprism array, optical interference color filters, and a microlens array light compressor were developed to increase the optical throughput of liquid-cry...
Synchronous Trigger Detection for Pulse Laser Readout on Super Resolution Erasable Optical Disks
pulse readout synchronous detection erasable optical disks thermal super resolution disks magneto-optical super resolution center aperture detection disk
2011/11/30
The laser pulse readout scheme is advantageous in reading thermal super resolution disks, but the light modulation on the RF signal confuses the detection channel. A synchronous trigger detection sche...
Optical disk mastering using optical super resolution technique
disk mastering thermal-induced superresolution lithography
2011/11/29
A new laster lithography technique using the effect of optical superresolution can effectively reduce the exposed spot size on a photoresist layer,thus allowing disk mastering toward higher density us...
Mask films for thermally induced superresolution readout in rewritable phase-change optical disks
Gerasable phase change mask films thermally induced superresolution readout cyclability tellurium
2011/11/29
Tellurium was studied as a mask film in a thermally induced superresoulution rewritable optical disk for detecting below-diffraction-limit marks.Mark trains of 0.15 could be retrieved with 9dB in carr...
Design and Fabrication of Fiberlenses for Optical Recording Applications
microlens single-mode fiber optical recording thermal writing
2011/11/28
The novel design and fabrication of a microlens on the front end of a single-mode fiber is described. The beam quality and spot size for optical recording applications are analyzed. A hyperbolic-shape...
Optical Switching Layer for Rewirtable Volumetric Optical Disks
phase change DVD volumetric optical disk dual layer optical disk optical switching layer thermo-chromatic material
2011/11/28
Owing to the presence of out-of-focus recording layers in volumetric optical disks, laser energy is decreased in reading/writing the targeted active layer. A non-linear optical material as an optical ...
Oxygen and Nitrogen Co-Doped GeSbTe Thin Films for Phase-Change Optical Recording
GeSbTe recording layer oxygen and nitrogen doping optical constants microstructure crystallization temperatures phase-change optical disks
2011/11/28
Nitrogen and oxygen co-doped GeSbTe films for phase-change optical recording are investigated. It is found that optical properties of amorphous and crystalline state are similar to that of GeSbTe, cry...
Fiber-Lens-based Module for Optical Recording Applications
fiber lens SIL near field optical data storage submicron aperture
2011/11/28
An optical fiber-lens-type pickup with numerical aperture 餘A藜0:27 was demonstrated for thermal recording of continuous 1.6-mm-wide lines on MO disks with 50% throughput efficiency. Moreover, a Si-mic...
Power-referenced optical fiber refractometer based on a hybrid fiber grating
Fiber Bragg gratings (FBG s) power referenced refractometer tilted- fi ber Bragg gratings (TFBGs)
2013/5/27
An in-fi ber structure for power-referenced re-fractometry based on a hybrid fi ber grating is proposed and demonstrated experimentally. The hybridfi ber grating is formed by superimposing a shortfi b...
A volumetric optical disk that has multiple transparent films with optical switching layers is used as a recording medium to increase the number of recording layers. In the disk the optical switching ...
Enhancement of Data Transfer Rate of Phase Change Optical Disk by Doping Nitrogen in Ge–In–Sb–Te Recording Layer
Ge–In–Sb–Te recording material data transfer rate recrystallization speed nitrogen doping
2011/11/25
This work investigated the enhancement of the data transfer rate and/or recrystallization speed of Ge–In–Sb–Te recording material by nitrogen doping. The effects of nitrogen content on the dynamic pro...
Enhancing the Overwriting Characteristics of Phase-Change Optical Disks by Doping in Dielectric Layers
overwriting characteristics cycleability phase-change optical disk doping dielectric layer
2011/11/25
In this work, we studied the enhancement of overwriting characteristics of phase-change optical disks by doping in the dielectric layers. The doping elements included chromium (Cr), molybdenum (Mo), n...