Abstract
As the thickness of a disk base is varied, the variation of spherical aberration becomes remarkable. An objective lens system with compensating lenses on the light source side is designed. By moving the compensating lenses along the optical axis backward or forward, the spherical aberration caused by the variation in thickness of the disk base is corrected.
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References
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Fujioka, Y. Objective Lens System for Variable Thickness of Disk Base. OPT REV 5, 109–114 (1998). https://doi.org/10.1007/s10043-998-0109-6
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DOI: https://doi.org/10.1007/s10043-998-0109-6