1 October 2006 Application of a global optimization process to the design of pickup heads for compact and digital versatile disks
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Abstract
A global optimization process is developed for designing an objective lens for multiple-configuration applications. As a demonstration, it is shown that diffraction-limit performance can be achieved for a pickup head used for both compact disks (wavelength 780 nm) and digital versatile disks (wavelength range 635 to 650 nm) with different working distances and focal lengths, at a numerical aperture of 0.6.
Chao-Hsi Tsao, Jyh-Long Chern, "Application of a global optimization process to the design of pickup heads for compact and digital versatile disks," Optical Engineering 45(10), 103001 (1 October 2006). https://doi.org/10.1117/1.2361281
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