A global optimization process is demonstrated in designing an objective lens with diffraction-limit performance for CD/DVD wavelengths. Furthermore, a hybrid lens is proposed to extend the CD/DVD pickup head to work with the Blu-ray wavelength.
© 2006 Optical Society of America
(080.0080) Geometric optics : Geometric optics
(080.3620) Geometric optics : Lens system design
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.2740) Optical design and fabrication : Geometric optical design
C. Tsao and J. Chern, "Application of Global Optimization to Design of an Aspherical Pickup Head for Multiple Wavelengths," in International Optical Design, Technical Digest (CD) (Optical Society of America, 2006), paper ME8.
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