Full-field laser heterodyne imaging vibrometry using a CMOS-DVR system.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.431321
Abstract: A laser heterodyne imaging vibrometry is proposed for full-field vibration measurement. The vibration responses are imaged and recorded using a CMOS camera and a digital video recorder. A digital demodulation method based on a cumulative… read more here.
Keywords: full field; laser heterodyne; vibrometry; imaging vibrometry ... See more keywords
Synthetic model of nonlinearity errors in laser heterodyne interferometry.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.003890
Abstract: The development of laser heterodyne interferometry raises the requirements of measurement resolution and accuracy. However, periodic nonlinearity errors mainly suppress the accuracy of laser heterodyne interferometry. Based on the generation mechanism of nonlinearity errors, the… read more here.
Keywords: laser heterodyne; errors laser; nonlinearity errors; heterodyne interferometry ... See more keywords
Wavelength modulation laser heterodyne radiometry.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.003009
Abstract: A novel method is proposed for improving the performance of traditional laser heterodyne radiometry. The technique, which is based on the use of a wavelength modulated local oscillator laser, provides baseline-free spectra, lower limits of… read more here.
Keywords: laser heterodyne; heterodyne radiometry; laser; wavelength modulation ... See more keywords