Pseudoheterodyne detection scheme for optical interferometers

1982/12/09 by D.A. Jackson, A.D. Kersey, M. Corke +1 · 3 citations
Engineering · Mathematics · Physics and Astronomy · #Acoustics #Advanced Fiber Laser Technologies #Astronomical interferometer #Computer science #Detection theory #Detector #Diode #Electronic engineering #Engineering #Heterodyne (poetry) #Heterodyne detection #Interferometry #Laser #Mathematics #Mechanical and Optical Resonators #Optics #Optoelectronics #Phase detector #Phase noise #Phase-locked loop #Photonic and Optical Devices #Physics #SIGNAL (programming language) #Scheme (mathematics)

paper · doi:10.1049/el:19820740

openalex publication_date 1982/12/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23

Abstract

A heterodyne signal recovery scheme for interferometric sensors based on frequency ramping of the laser diode source is described. Using a PLL detector, signals in the range 10−4 to 6 rad have been recovered, the system being linear over 5 decades.

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• Compact Interrogation System of Fiber Bragg Grating Sensors Based on Multiheterodyne Dispersion Interferometry for Dynamic Strain Measurements. [europepmc]

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