This invention proposes the fabrication of a polarization-independent fiber optic (in-line) isolator based on a beam aperture method. A micro Grin lens and a small Grin lens are used. They function as the collimators for the forward-going and the backward-going beams from the input and o
This invention proposes the fabrication of a polarization-independent air-path isolator based on a beam aperture method. The isolator includes a micro Grin lens (MGL) and three small Grin lenses (SGLs). These lenses focus and collimate the forward and backward beams from the input and
An optical data storage medium transmissive to a laser beam and formed of a light transmissive substrate that provides mechanical support, and a light transmissive data substrate formed on the substrate. The data substrate is patterned to form block regions that block the laser beam from
An optical data storage system utilize a fully or partially transmissive data storage medium or disk. The optical system includes a platform capable of moving either radially or pivotally relative to the disk. A head has a first and a second optical arms secured to the platform. One
An optical data storage system includes an optical data storage system for use with a data storage medium. The system includes a stationary optical head for steering an incident laser beam holographically and/or by means of an acousto-optical method across the data storage medium. The in
An optical data storage medium transmissive to a laser beam and formed of a light transmissive substrate that provides mechanical support, and a light transmissive data substrate formed on the substrate. The data substrate is patterned to form block regions that block the laser beam from
An optical data storage system for use with a stationary data storage medium includes a stationary optical head for steering an incident laser beam holographically and/or by means of an acousto-optical method along the X and Y direction across the data storage medium. The incident laser
