Optical systems with thin film polarization rotators and method

Details Optical systems with thin film polarization rotators and method Optical systems with thin film polarization rotators and method

1989-04-17

1990-08-28

Lee, John D.

Static information storage and retrieval

Magnetic bubbles

Guide structure

350 9629, 350 9634, 350377, 365 10, G02B 530

Patent

active

049520148

ABSTRACT:
An optical system, useful as a magnetometer and as a polarization contoller, is disclosed. The system includes a source of electromagnetic radiation, a detector of electromagnetic radiation, and a magnetizable medium via which the source and detector communicate with one another. The system further includes apparatus for forming at least two adjacent magnetic domains separated by at least one domain wall.

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patent: 4371838 (1983-02-01), Griscom
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patent: 4698820 (1987-10-01), Brandle, Jr. et al.
patent: 4812767 (1989-03-01), Taketomi
patent: 4886332 (1989-12-01), Wolfe

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