| 摘要 |
An object is to lighten a pickup and reduce the size of a driving device and, as a result, to reduce the size of an optical information recording apparatus, an optical information reproducing apparatus and an optical information recording/reproducing apparatus, and to improve the transfer rate by enabling to make an access to the optical information recording medium at a high speed. In an optical information recording apparatus using holography, having: a light source 32 , an information expressing device 63 for generating information light by adding information to light from the light source; a reference light generator 65 for generating reference light from the light from the light source; and an objective lens 70 for irradiating the information light and the reference light onto an optical information recording medium 1 , the apparatus comprises a fixed unit 73 including at least the information expressing device 63 and a moving unit 75 including at least the objective lens 70 , which moves for making access to a prescribed recording position of the optical information recording medium 1.
|
