In-plane sensitive electronic speckle pattern interferometer using a diffractive holographic optical element

Jallapuram, Raghavendra; Healy, Con; Mihaylova, Emilia; Toal, Vincent

doi:10.1119/1.3533432

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…A variety of studies are underway to introduce simple ESPIs built using items in an undergraduate optics laboratory for use at universities or other educational settings [1,[3][4][5][6][7]. Several experiments that can be used in undergraduate experiments using an ESPI have been devised [8,9], but the number is still insufficient.…”

Section: Introductionmentioning

confidence: 99%

Hooke’s law experiment using an electronic speckle pattern interferometry

Park¹,

Huh²

2020

Eur. J. Phys.

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This paper presents an approach based on a laser interferometer set-up to perform an experimental study of Hooke’s law for the case of the bending of a cantilever beam. We used weights and a pulley to deform the beam laterally and measured displacement with an electronic speckle pattern interferometer (ESPI). The ESPI set-up was built using items commonly found in an undergraduate optics laboratory and the software used for the measurement as presented in this paper is available for anyone to use. This represents an attempt at content development with an ESPI; development of various types of content with ESPIs can broaden the horizons of higher education and enhance classroom environments.

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Section: Introductionmentioning

confidence: 99%

Hooke’s law experiment using an electronic speckle pattern interferometry

Park¹,

Huh²

2020

Eur. J. Phys.

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“…In-plane sensitive ESPI system configurations were used to study rotations of objects. 5 In this paper we discuss the analysis of fringes due to rotation obtained using phase shifting that is due to drive current change in a laser diode source. The same HOE based ESPI system was also used for vibration measurements as well.…”

Section: Introductionmentioning

confidence: 99%

Compact holographic optical element-based electronic speckle pattern interferometer for rotation and vibration measurements

et al. 2017

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An out-of-plane sensitive electronic speckle pattern interferometer (ESPI) using holographic optical elements (HOEs) for studying rotations and vibrations is presented. Phase stepping is implemented by modulating the wavelength of the laser diode in a path length imbalanced interferometer. The time average ESPI method is used for vibration measurements. Some factors influencing the measurements accuracy are reported. Some advantages and limitations of the system are discussed.

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Non-contact and fast measurement of small roll angle using digital shearography

et al. 2022

Optics and Lasers in Engineering

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In-plane sensitive electronic speckle pattern interferometer using a diffractive holographic optical element

Cited by 5 publications

References 14 publications

Hooke’s law experiment using an electronic speckle pattern interferometry

Hooke’s law experiment using an electronic speckle pattern interferometry

Compact holographic optical element-based electronic speckle pattern interferometer for rotation and vibration measurements

Non-contact and fast measurement of small roll angle using digital shearography

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