SLMs Enable Holographic Data Storage November 27, 2006
For use in holographic data storage (HDS) devices, the company's Spatial Light Modulators (SLMs) allow data to be written to HDS disks, which offer a capacity 10 to 100 times greater than high-definition DVDs. The SLM is allegedly the first optical modulator designed exclusively for use in HDS devices. It employs the company’s FLCOS technology to deliver advantages such as high-speed writing, low overall cost due to integrated electronics, and simplified packaging. The component encodes information onto a data-carrying laser beam that is written into the holographic medium. The SLM maps the data into a checkerboard pattern of more than one million light and dark pixels. Other features include a resolution of 1,216 x 1,216 and a 1.1-kHz frame rate that enables HDS devices with a transfer rate of 20 MB/s. DISPLAYTECH INC., Longmont, CO. (800) 397-8124.
