1. Optical fiber current sensor for electrical power engineering;Barczak;Bulletin of the Polish Academy of Sciences: Technical Sciences,2011
2. Insulating properties of optical fiber current sensor with external conversion;Barczak;Przeglaxl Elektrotechniczny,2018
3. Optical fiber current sensor with external conversion for measurements of low AC electric currents;Barczak,2017
4. High frequency Faraday rotation in FR-5 glass