It is, therefore, a primary object of the present invention to provide a pickup apparatus and method for controlling a tracking and focusing servo in {HEAD ~ a holographic storage system}, capable of tracking and focusing {TAIL ~ a laser beam} on a target track of a holographic medium 
It is , therefore , a primary object of the present invention to provide a pickup apparatus and method for controlling a tracking and focusing servo in { HEAD ~ a holographic storage system } , capable of tracking and focusing { TAIL ~ a laser beam } on a target track of a holographic medium
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH