Integrated device with diffractive polarization components for a magneto-optical disk head

Charles W. Haggans; Teruo Fujita; Raymond K. Kostuk

doi:10.1117/12.137578

13 August 1992 Integrated device with diffractive polarization components for a magneto-optical disk head

Charles W. Haggans, Teruo Fujita, Raymond K. Kostuk

Proceedings Volume 1663, Optical Data Storage; (1992) https://doi.org/10.1117/12.137578
Event: Optical Data Storage Topical Meeting, 1992, San Jose, CA, United States

Abstract

The optical components in the detection train of a conventional magneto-optical (M-O) disk head include a half-wave plate and a polarization beamsplitter. These polarization components are bulky and require specialized mounting hardware. In order to realize a more compact head, we propose that these elements be replaced by an integrated device composed of cascaded volume and surface-relief gratings. In this paper, we describe the proposed system, detail designs for the individual elements, compare theoretical and prototype element performance, and discuss the operational tolerances of these elements.

Citation Download Citation

Charles W. Haggans, Teruo Fujita, and Raymond K. Kostuk "Integrated device with diffractive polarization components for a magneto-optical disk head", Proc. SPIE 1663, Optical Data Storage, (13 August 1992); https://doi.org/10.1117/12.137578

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