Optical magnetic field sensor employing differently sized transm
Optical measurement using polarized and unpolarized light
Optical measuring method and device for measuring a magnetic alt
Optical measuring method and optical measuring device for measur
Optical method and arrangement for measuring a periodic...
Optical method and device for measuring an alternating electrica
Optical method of measuring an alternating electrical current, i
Optical sensor
Optical sensor
Optical sensor
Optical sensor apparatus and signal processing circuit used ther
Optical sensor assembly for installation on a current...
Optical sensor for detecting an electric field via the Faraday e
Optical system for a Faraday effect current sensor
Optical voltage and electric field sensor
Optical voltage and electric field sensor based on the pockels e
Optical voltage electric field sensor
Optical voltage sensor
Optical-voltage sensor
Optically isolated line voltage sensing circuit