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The performance of unbiased balanced photodiodes for optical calibration of radio-frequency antenna arrays

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5 Author(s)
Urick, V.J. ; U.S. Naval Res. Lab., Washington, DC, USA ; Diehl, J.F. ; McDermitt, C.S. ; Bucholtz, F.
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The performance of unbiased balanced photodiodes has been measured for RF antenna array calibration. As opposed to a single unbiased photodiode, the unbiased balanced photodiodes suppress the photodiode-induced distortion and demonstrates a 26-dB increase in second-order output intercept point. This increase in intercept point translates to a 13-dB increase in spurious-free dynamic range for the second-order-limited link.

Published in:

Avionics Fiber-Optics and Photonics Technology Conference (AVFOP), 2010 IEEE

Date of Conference:

21-23 Sept. 2010