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16 May 2017 Shack-Hartmann wavefront sensor using a Raspberry Pi embedded system
Ramiro Contreras-Martinez, Jesús Garduño-Mejía, Martha Rosete-Aguilar, Carlos J. Román-Moreno
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Proceedings Volume 10231, Optical Sensors 2017; 102311X (2017) https://doi.org/10.1117/12.2265762
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic
Abstract
In this work we present the design and manufacture of a compact Shack-Hartmann wavefront sensor using a Raspberry Pi and a microlens array. The main goal of this sensor is to recover the wavefront of a laser beam and to characterize its spatial phase using a simple and compact Raspberry Pi and the Raspberry Pi embedded camera. The recovery algorithm is based on a modified version of the Southwell method and was written in Python as well as its user interface. Experimental results and reconstructed wavefronts are presented.
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Ramiro Contreras-Martinez, Jesús Garduño-Mejía, Martha Rosete-Aguilar, and Carlos J. Román-Moreno "Shack-Hartmann wavefront sensor using a Raspberry Pi embedded system", Proc. SPIE 10231, Optical Sensors 2017, 102311X (16 May 2017); https://doi.org/10.1117/12.2265762
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KEYWORDS
Wavefront sensors
Embedded systems
Wavefronts
Cameras
Design for manufacturability
Microlens array
Sensors
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