30 September 2013 Color sensing under microwaves
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Inspired by recent results of artificial color due to Caulfield, we carry out intuitive experimental investigations on color sensing under microwave illumination. Experiments have been carried out using a Gunn diode as the microwave source and a microwave diode as a detector. More precise experimental studies have also been carried out utilizing a vector network analyzer. Preliminary results of the experiments validate the feasibility of sensing and discriminating otherwise visual colors under microwave illumination. Caulfield's presumption possibly paves the way for artificial color perception using microwaves.
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Debesh Choudhury, Debesh Choudhury, "Color sensing under microwaves", Proc. SPIE 8833, Tribute to H. John Caulfield, 88330H (30 September 2013); doi: 10.1117/12.2025230; https://doi.org/10.1117/12.2025230

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