Optical sensors for the validation of electromagnetic field distributions in biological phantoms

Franjo Cecelja; Bala Balachandran; Michael Berwick; Manook Soghomonian; Srboljub R. Cvetkovic

doi:10.1117/12.221706

25 September 1995 Optical sensors for the validation of electromagnetic field distributions in biological phantoms

Franjo Cecelja, Bala Balachandran, Michael Berwick, Manook Soghomonian, Srboljub R. Cvetkovic

Proceedings Volume 2510, Fiber Optic and Laser Sensors XIII; (1995) https://doi.org/10.1117/12.221706
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

We present optical sensors for the measurement of electric and magnetic fields in an anatomically and dielectrically correct biological phantom of the human head generated by a personal communication device. The sensor is based on all-dielectric optical probes, coupled by fiber optics to the remote light sources and signal processing electronics. The electric field probe utilizes Pockel's effect in cadmium telluride, while the magnetic field probe is based on Faraday effect in cadmium manganese telluride. The anticipated measurement sensitivity is 2 V/m (E field) and 0.25 (mu) T (H field), with spatial resolution of 1 cm. Frequency range is 1.8 GHz, and dynamic range is > 60 dB. Both sensors utilize polarimetric optical scheme.

Citation Download Citation

Franjo Cecelja, Bala Balachandran, Michael Berwick, Manook Soghomonian, and Srboljub R. Cvetkovic "Optical sensors for the validation of electromagnetic field distributions in biological phantoms", Proc. SPIE 2510, Fiber Optic and Laser Sensors XIII, (25 September 1995); https://doi.org/10.1117/12.221706

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