Design and development of a laser interferometer for magnet alignment and phase error analysis in an undulator
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.107490
Abstract: Abstract In this paper we discuss design and development of a laser interferometer for undulator measurement application. The vertical misalignment of the magnets in the undulator results in non uniformity in the undulator gap and… read more here.
Keywords: laser interferometer; laser; undulator; phase error ... See more keywords
Nonlinear error analysis and experimental measurement of Birefringence-Zeeman dual-frequency laser interferometer
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.12.030
Abstract: Abstract After a long-term research, the birefringence-Zeeman dual-frequency (BZDF) laser has entered the practical stage, and the BZDF laser interferometer has more powerful displacement and size measurement functions, especially the near-zero nonlinearity. This paper theoretically… read more here.
Keywords: zeeman dual; laser interferometer; dual frequency; laser ... See more keywords
Analysis and compensation of synchronous measurement error for multi-channel laser interferometer
Sign Up to like & getrecommendations! Published in 2017 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/aa5f0c
Abstract: Dual-frequency laser interferometer has been widely used in precision motion system as a displacement sensor, to achieve nanoscale positioning or synchronization accuracy. In a multi-channel laser interferometer synchronous measurement system, signal delays are different in… read more here.
Keywords: multi channel; measurement; laser interferometer; measurement error ... See more keywords
Fundamental relations between measurement, radiation, and decoherence in gravitational wave laser interferometer detectors
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.99.124016
Abstract: As laser interferometer gravitational wave (GW) detectors become quantum noise dominated, understanding the fundamental limit on measurement sensitivity imposed by quantum uncertainty is crucial to guide the search for further noise reduction. Recent efforts have… read more here.
Keywords: laser interferometer; gravitational wave; interferometer detectors; measurement ... See more keywords
Preliminary simulation analysis of the temperature fluctuation effect on Taiji-1 Laser interferometer
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Modern Physics A"
DOI: 10.1142/s0217751x21400030
Abstract: Space-borne gravitational wave detection imposes a demanding requirement on the sensitivity of the laser interferometer. Among all disturbances that affect the measurement accuracy of the laser int... read more here.
Keywords: preliminary simulation; simulation analysis; interferometer; laser interferometer ... See more keywords
Environmental compensation of laser interferometer based on particle swarm algorithm.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.452854
Abstract: A dual-frequency laser interferometer is an important instrument that can provide a meter-level measurement range with nanometer-level measurement accuracy at several meters per second measurement speed. The measurement accuracy of the dual-frequency laser interferometer plays… read more here.
Keywords: interferometer; particle swarm; compensation; measurement ... See more keywords
A Novel Analog Interpolation Method for Heterodyne Laser Interferometer
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14030696
Abstract: Laser interferometer technology is used in the precision positioning stage as an encoder. For better resolution, laser interferometers usually work with interpolation devices. According to the interpolation factor, these devices can convert an orthogonal sinusoidal… read more here.
Keywords: interpolation method; interpolation; laser; laser interferometer ... See more keywords