COLLINEAR HOLOGRAPHIC DATA STORAGE USING ANGULAR MULTIPLEXING METHOD

摘要

A collinear holographic data storage using an angular multiplexing method is provided to take advantage of a simple system of a collinear technology and compatibility to a conventional optical storage, and to expand storage capacity as many as the number of areas of reference beams divided in one page. A collinear holographic data storage using an angular multiplexing method comprises an optical source(502), a first reflection mirror(503), a space light modulator(501), a polarized light beam splitter(504), a CMOS image sensor(505), a first relay lens(506), a second reflection mirror(507), a second relay lens(508), a half-wave polarized light plate(510), a third reflection mirror, an object lens(511), and a sever control system. The collinear holographic data storage splits a reference beam for areas. A reference beam area is shaped like a circular band, and divided into a plurality of sections. The reference beam area is shaped like a square band, and divided into a plurality of sections.