HOLOGRAPHIC DATA STORAGE SYSTEM

摘要

PURPOSE: A holographic data storage system is provided to enhance the reliability of an optical system through the simplification of the structure by using a beam magnifier. CONSTITUTION: A beam magnifier(110) magnifies a beam incident from a light source to emit reference light(R) and object light(O). A mirror(130) is located on a half of a light path for the light incident from the beam magnifier(110) and sends a half of the light incident from the magnifier(110) to a storage medium(140) as the reference light(R). A space light modulator(120) is located on a half of the light path for the light incident from the beam magnifier(110) and carries a half of the light incident from the beam magnifier(110) to the object light(O) as input data.