Imaging a vibrating object by Sideband Digital Holography

Joud, Fadwa; Laloë, Franck; Atlan, Michaël; Hare, J.; Gross, Michel

doi:10.1364/oe.17.002774

Cited by 52 publications

(38 citation statements)

References 18 publications

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“…For large-amplitude vibrations, the fringes become too numerous and difficult to resolve. Sideband digital holography uses heterodyne digital holography with the frequency offset of the reference tuned to any n'th harmonic of the vibration frequency, allowing selective observation of the large-amplitude areas [231].…”

Section: Heterodyne Holographymentioning

confidence: 99%

Principles and techniques of digital holographic microscopy

2010

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Abstract. Digital holography is an emerging field of new paradigm in general imaging applications. We present a review of a subset of the research and development activities in digital holography, with emphasis on microscopy techniques and applications. First, the basic results from the general theory of holography, based on the scalar diffraction theory, are summarized, and a general description of the digital holographic microscopy process is given, including quantitative phase microscopy. Several numerical diffraction methods are described and compared, and a number of representative configurations used in digital holography are described, including off-axis Fresnel, Fourier, image plane, in-line, Gabor, and phase-shifting digital holographies. Then we survey numerical techniques that give rise to unique capabilities of digital holography, including suppression of dc and twin image terms, pixel resolution control, optical phase unwrapping, aberration compensation, and others. A survey is also given of representative application areas, including biomedical microscopy, particle field holography, micrometrology, and holographic tomography, as well as some of the special techniques, such as holography of total internal reflection, optical scanning holography, digital interference holography, and heterodyne holography. The review is intended for students and new researchers interested in developing new techniques and exploring new applications of digital holography. C 2010 Society of Photo-Optical Instrumentation Engineers.

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Section: Heterodyne Holographymentioning

confidence: 99%

Principles and techniques of digital holographic microscopy

2010

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“…A typical set-up includes an ultrasonic excitation sent out by a piezoelectric (PZT) transducer put 3 in contact with the sample. The resonant frequencies describing the mechanical vibrations of the sample under test can be collected with another piezoelectric probe [19] or by means of optical techniques (e.g., Laser Doppler Vibrometry, holography) [16,20,21].…”

Section: Rus Measurementsmentioning

confidence: 99%

Wood elastic characterization from a single sample by resonant ultrasound spectroscopy

et al. 2012

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The goal of this paper is to propose an experimental method allowing the identification of the complete elastic tensor of anisotropic biological materials such as wood using only one sample. To do so, two complementary methods are used. First, the wood eigen-directions are defined from a sample of spherical shape that is then cut into a cube in a way to perform resonant ultrasound spectroscopy (RUS). The method is successfully applied on a reference beech sample with known orthotropic directions. A comparison of the identified elastic constants with those from the literature and some inferred from ultrasonic transmission measurements is given.

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“…DH became a powerful tool for vibration analysis in whole spectrum of measured amplitudes. However, the fringe procedure was still used [5,6]. Nevertheless, modern digital cameras provide the advantage of very uniform and repeatable response, and they can be considered as a radiometric detector.…”

Section: Introductionmentioning

confidence: 99%

Digital Holographic Method for Piezoelectric Transformers Vibration Analysis

Psota

Kopecký

Lédl

et al. 2013

EPJ Web of Conferences

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Abstract. The paper describes a holographic method for vibration analysis in nanometer range. The method was successfully applied on different types of piezoelectric transformers and the measurement results are introduced. To proof the reliability of the method it was done a comparing simultaneous measurement of a piezoelectric component by the holographic method and the well-established single-point interferometric method. Results showing the minimal deviation of both methods are presented in the final part of the paper.

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Imaging a vibrating object by Sideband Digital Holography

Cited by 52 publications

References 18 publications

Principles and techniques of digital holographic microscopy

Principles and techniques of digital holographic microscopy

Wood elastic characterization from a single sample by resonant ultrasound spectroscopy

Digital Holographic Method for Piezoelectric Transformers Vibration Analysis

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