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Large-aperture wide field of view optical circulators

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3 Author(s)
J. M. Roth ; Lincoln Lab., Massachusetts Inst. of Technol., Lexington, MA, USA ; R. E. Bland ; S. I. Libby

We demonstrate a free-space optical circulator for large-aperture directional beam separation at 1.55 μm. The devices utilize a magnetless Faraday rotator and polymer true zero-order wave-plate to enable an 11-mm clear aperture, high-power handling up to 100 W/cm2, and a /spl plusmn/10/spl deg/ field of view.

Published in:

IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 10 )