Tsoulos, P; Stacey, J; Spampinato, A; Hockley, G; Barwood, G; Hill, I; Allen, B; Gill, P (2023) Electronic control of compact optical cavities for space applications. IET Conference Proceedings, 2023 (25). pp. 11-14. ISSN 2732-4494

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Abstract

This paper describes current development at the UK National Physical Laboratory of compact optical cavities for potential deployment in future space missions. These cavities have application in space-based optical clocks for a future global navigation satellite system and studies of fundamental physics. They could also have application in a Next Generation Gravity Mission (NGGM) for monitoring of, for example, ice cover variations in the Earth’s polar regions and in the Laser Interferometer Space Antenna (LISA) project for the study of gravitational waves from space. A key part of current activity is the development of digital electronics for servo control of the laser to the optical cavity, minimisation of the induced transmission noise from the cavity to target application and suppression of laser residual amplitude modulation that can lead to excess frequency noise. We discuss both these applications and our electronics solutions

Item Type:	Article
Keywords:	optical cavity, space application
Subjects:	Quantum Phenomena > Quantum Information Processing and Communication
Divisions:	Time & Frequency
Identification number/DOI:	10.1049/icp.2023.3263
Last Modified:	08 May 2026 13:09
URI:	https://eprintspublications.npl.co.uk/id/eprint/10375