#NORTHROP GRUMMAN LITEF GMBH [DE]

Suppression of the lock-in effect due to a MIOC frequency response in a fibre optic Sagnac interferometer

The sensor has a fiberoptic Sagnac interferometer (1) comprising a photodetector device (5), and an evaluation circuit (9) comprising a multifunctional integrated optical chip (MIOC) (11) with MIOC tr…

DRIVE·Sep 17·1 min read

G01C19/721 NORTHROP GRUMMAN LITEF GMBH [DE]

Suppression of quantization noise in fibre optic Sagnac interferometer

Two light beams are modulated by a phase modulator provided in fiber coil (1). An analog-to-digital converter (2) is arranged to convert analog phase shift signal of light beam detected by photodetect…

DRIVE·Oct 24·1 min read

G01C19/72 NORTHROP GRUMMAN LITEF GMBH [DE]