1964•Applied OpticsRequires access

Resonant Optical Faraday Rotator

Robert L. Rosenberg, Charles B. Rubinstein, Donald R. Herriott

Abstract

Faraday rotation of the plane of polarization of light can be greatly enhanced by placing the Faraday rotating material in a resonant cavity. The transmission characteristics of a resonant rotator are analyzed, and observation of resonant rotation is reported. Under suitable conditions, the resonant rotation can be two orders of magnitude larger than the single-pass Faraday rotation. Bandwidth limitations are discussed, and a resonant rotation-bandwidth product is determined.

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Key concepts: Faraday effect, Faraday rotator, Optics, Physics, Rotation (mathematics), Polarization (electrochemistry), Bandwidth (computing), Optical isolator