Measuring the scale factor of digital micromirror devices using Bessel beams

Authors

Niña Angelica Fabroa Zambale ⋅ PH National Institute of Physics, University of the Philippines Diliman
Jadze Princeton Casilana Narag ⋅ PH National Institute of Physics, University of the Philippines Diliman
Nathaniel Hermosa ⋅ PH National Institute of Physics, University of the Philippines Diliman

Abstract

We determine the scale factor of a digital micromirror device (DMD) with the use of Bessel beams. The scale factor is the value related to how much a device stretches an image along a certain axis. In this paper, we have uploaded slits of varying scale factor s in the DMD and obtained the diffraction patterns formed by illuminating it. The structural shape and the line scan measurements of the captured images were compared to that of a numerically simulated image. Results show that the beam profiles generated with slits of s = 1.87 ± 0.03 have 5% deviation from the numerically simulated Bessel beam profile. This study is proof-of-principle that structured light can be used as tool for measuring the scale factor of a device.

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Issue

2017: Proceedings of the 35th Samahang Pisika ng Pilipinas Physics Conference

Opportunities and challenges in physics collaboration and research
7-10 June 2017, Cebu City

Mabuhay! This is our first issue published using PKP's Online Journal Systems (OJS). Full online access to PDF articles is provided to registered Paperview users.

Article ID

SPP-2017-PA-17

Section

Poster Session A (Materials Science, Instrumentation, and Photonics)

Published

2017-06-07

How to Cite

[1]

NAF Zambale, JPC Narag, and N Hermosa, Measuring the scale factor of digital micromirror devices using Bessel beams, Proceedings of the Samahang Pisika ng Pilipinas 35, SPP-2017-PA-17 (2017). URL: https://proceedings.spp-online.org/article/view/196.