A Replicated Bi-Aspherical Readout Lens For Optical Disc Systems.

Renso J .M. Zwiers; Joseph J. M. Braat; Gerard C. M. Dortant

doi:10.1117/12.964486

3 November 1986 A Replicated Bi-Aspherical Readout Lens For Optical Disc Systems.

Renso J .M. Zwiers, Joseph J. M. Braat, Gerard C. M. Dortant

Proceedings Volume 0645, Optical Manufacturing, Testing and Aspheric Optics; (1986) https://doi.org/10.1117/12.964486
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

A diffraction-limited bi-aspherical readout lens for the digital audio disc system has been designed and developed based on a high-precision lens replication process using UV-polvmerizable coatings. This single element read-out lens consists of a hall-shaped quartz substrate with two aspherical replicated coating surfaces. The design of the bi-aspherical lens is presented and its production described. The optical performance of the lenses proved to be reasonable with an rms-OPD of 0.055 λ, the primary lens aberration being spherical aberration.

Citation Download Citation

Renso J .M. Zwiers, Joseph J. M. Braat, and Gerard C. M. Dortant "A Replicated Bi-Aspherical Readout Lens For Optical Disc Systems.", Proc. SPIE 0645, Optical Manufacturing, Testing and Aspheric Optics, (3 November 1986); https://doi.org/10.1117/12.964486

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