Processing the quadrature signals of an interferometer using an Arduino microcontroller

• Date: 2025
• Main Authors: Бородін, Ю. О., Олейнік, Д. Е., Цубін, О. А., Пригун, О. В., Лапчук, А. С., Брицький, О.І.
• Format: Article
• Language: Ukrainian
• Published: Інститут проблем реєстрації інформації НАН України 2025
• Subjects: sub-nanometer displacements; homodyne quadrature laser interferometer; Arduino microcontroller; analog-to-digital processing; CORDIC algorithm
• Online Access: https://drsp.ipri.kiev.ua/article/view/354599
• Journal Title: Data Recording, Storage & Processing

The wide application of interferometers in various spheres of human activity makes its serial production, reduction of dimensions and reduction of cost of manufacturing of interferometers relevant. One of the simplest implementations of accurate displacement measurement is based on the Michelson qua...