Immersion optical system of information recording on optical cylinders for a large optical memory

Semen M. Shanoylo; Viacheslav V. Petrov; Natalia N. Minina; Yuri N. Chermyanin

doi:10.1117/12.187324

29 September 1994 Immersion optical system of information recording on optical cylinders for a large optical memory

Semen M. Shanoylo, Viacheslav V. Petrov, Natalia N. Minina, Yuri N. Chermyanin

Proceedings Volume 2297, Photonics for Processors, Neural Networks, and Memories II; (1994) https://doi.org/10.1117/12.187324
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The immersion system of information recording on optical cylinders is considered. The investigation results of system aberrations caused by the presence of cylindrical surfaces, immersion liquid by the change of such parameters as thickness, refractive index are presented. The recommendations on correction of such main system aberrations as spherical and astigmatism are proposed. The possibility of creation of high-aperture aspherical immersion objectives for information recording is shown. On experimental specimens of immersion-type information recording devices on optical cylinders is obtained the density of 8x11 It/mm.

Citation Download Citation

Semen M. Shanoylo, Viacheslav V. Petrov, Natalia N. Minina, and Yuri N. Chermyanin "Immersion optical system of information recording on optical cylinders for a large optical memory", Proc. SPIE 2297, Photonics for Processors, Neural Networks, and Memories II, (29 September 1994); https://doi.org/10.1117/12.187324

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