TY - JOUR
AU1 - Knittel, Joachim
AU2 - Richter, Hartmut
AB - We present a new method to generate a spherical aberration error (SAE) signal for an optical pickup unit. The SAE signal is derived from two push-pull signals that are generated by a special diffractive optical element. First experiments provided a proof of principle. 
TI - Spherical Aberration Detection Scheme for Optical Pickup Units Using the Push-Pull Signal
JF - Japanese Journal of Applied Physics
DO - 10.1143/JJAP.43.4832
DA - 2004-07-01
UR - https://www.deepdyve.com/lp/iop-publishing/spherical-aberration-detection-scheme-for-optical-pickup-units-using-1SPv9i773K
SP - 4832
VL - 43
IS - 7S
DP - DeepDyve
ER -