Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1991-08-05
1995-09-19
Shafer, Ricky D.
Optical: systems and elements
Optical modulator
Light wave temporal modulation
359282, 359484, 359501, 359900, 372703, G02F 109, G02B 530
Patent
active
054521220
ABSTRACT:
An element for an optical isolator which is formed by alternately bonding together at least one flat plate-shaped Faraday rotator and two or more flat plate-shaped polarizers, the optical isolator element having an outer peripheral surface which is cut such that, when the outer peripheral surface is disposed parallel to an optical axis, incidence and emergence planes of the element are inclined at a predetermined angle with respect to a plane perpendicular to the optical axis. The optical isolator element is accommodated in a cylindrical magnet having an inner peripheral surface of the same shape as the outer peripheral surface of the optical isolator element, thereby forming an optical isolator.
REFERENCES:
patent: 4686678 (1987-08-01), Ohta et al.
patent: 4756607 (1988-07-01), Watanabe et al.
patent: 4770505 (1988-09-01), Okazaki
patent: 5040863 (1991-08-01), Kawakami et al.
patent: 5076675 (1991-12-01), Kusaka et al.
Gritz, David N., "Near-infrared (IR) Polarizing Glass", SPIE vol. 750 Infrared Systems and Components (1987) pp. 18-26.
Okuta Michitaka
Sato Yasushi
Tsuneda Tukiko
Kyocera Corporation
Shafer Ricky D.
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