Diffraction by electronic components of everyday use

Barreiro, Jesús J.; Pons, A.; Barreiro, J.C.; Castro-Palacio, Juan Carlos; Monsoriu, Juan A.

doi:10.1119/1.4830043

Cited by 19 publications

(12 citation statements)

References 18 publications

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“…Moreover, only very simple and regular patterns are available commercially for use in lab courses [3]. Diffraction experiments from every-day objects, such as those found in life science [4] and in electronics [5], have been recently proposed. Arbitrary patterns would be extremely useful in teaching physical optics basics but are difficult to obtain for low cost experiments [6].…”

Section: Introductionmentioning

confidence: 99%

Hands-on Fourier analysis by means of far-field diffraction

Ceffa¹,

Collini²,

D’Alfonso³

et al. 2016

Eur. J. Phys.

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Coherent sources of light are easily available to university undergraduate laboratory courses and the demonstration of electromagnetic wave diffraction is typically made with light. However, the construction of arbitrary patterns for the study of light diffraction is particularly demanding due to the small linear scale needed when using sub-micrometer wavelengths, limiting the possibility to thoroughly investigate diffraction experimentally. We describe and test a simple and affordable method to develop arbitrary light diffraction patterns with first year undergraduate or last year high school students. This method is exploited to investigate experimentally the connection between diffraction and the Fourier transform, leading to the development of the concept of spectral analysis of a (2D) signal. We therefore discuss the possibility of building a teaching unit for first year undergraduate or last year high school students on the interdisciplinary topic of spectral analysis starting from an experimental approach to light diffraction.

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Section: Introductionmentioning

confidence: 99%

Hands-on Fourier analysis by means of far-field diffraction

Ceffa¹,

Collini²,

D’Alfonso³

et al. 2016

Eur. J. Phys.

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“…Thus, they cannot be used to image a number of interesting diffraction phenomena that have larger or twodimensional diffraction patterns that are several centimeters in width and height. [36][37][38][39] Commercial equipment to image interference and diffraction patterns for undergraduate teaching laboratories is also available, 40 and while they can image large patterns in one dimension they cannot image twodimensional patterns and are considerably more expensive than the setup we describe here.…”

Section: B the Interference Of Lightmentioning

confidence: 99%

Using flatbed scanners in the undergraduate optics laboratory—An example of frugal science

Koopman

Gopal

2017

American Journal of Physics

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This department welcomes brief communications reporting new demonstrations, laboratory equipment, techniques, or materials of interest to teachers of physics. Notes on new applications of older apparatus, measurements supplementing data supplied by manufacturers, information which, while not new, is not generally known, procurement information, and news about apparatus under development may be suitable for publication in this section. Neither the American Journal of Physics nor the Editors assume responsibility for the correctness of the information presented. Manuscripts should be submitted using the web-based system that can be accessed via the American Journal of Physics home page, http://ajp.dickinson.edu and will be forwarded to the ADN editor for consideration.

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“…Using Eq. (2), we have obtained that the size of the pixel is 173,8 m  174,4 m, whereas the size measured using the microscope is 175,23 m  175,23 m [8]. …”

Section: When a Smart-phone Is Overmentioning

confidence: 99%

“…The next experiment shows how we have used the display to calculate the size of the pixels in a smart-phone display [8].…”

Section: When a Smart-phone Is Overmentioning

confidence: 99%

Learning optics using a smart-phone

Pons

García‐Martínez²,

Barreiro

et al. 2014

12th Education and Training in Optics and Photonics Conference

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We propose several ideas about how to teach Optics using smart-phones. We think that the almost addictive interest of students in smart-phone technology can be useful for the benefits of learning. Moreover as all of our students are from university level, it helps that mostly all of them own a device. In this work we review many possibilities that using a smart-phone offer from the teaching point of view. We begin with a search of different apps about Optics. Then we also use the device as a sensor for implementing some experiments, we analyze accessories such as telescope and microscope lenses and finally, when the smart-phone is over, we use different parts to teach diffraction or imaging.

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Diffraction by electronic components of everyday use

Cited by 19 publications

References 18 publications

Hands-on Fourier analysis by means of far-field diffraction

Hands-on Fourier analysis by means of far-field diffraction

Using flatbed scanners in the undergraduate optics laboratory—An example of frugal science

Learning optics using a smart-phone

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