1-8 July 2022
Virtual Conference
Africa/Johannesburg timezone
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Broadband Beam Shaping Using Digital Micromirror Devices

7 Jul 2022, 12:30
15m
Zoom Platform (Virtual Conference)

Zoom Platform

Virtual Conference

Oral Presentation Track C - Photonics Photonics

Speaker

Ms Leerin Michaela Perumal (University of the Witwatersrand)

Description

The appeal of beam shaping and wavefront control for coherent broadband sources has always been imbedded within the idea that the techniques and or devices implored to accomplish this, could allow one to modulate any wavelength of light using a single optical device. In recent years phase-only devices such as spatial light modulators (SLMs) have been explored to modulate and control the wavefront of broadband sources. However, the cost and calibration of these devices can be dire when compared to amplitude-only devices such as digital micromirror devices (DMDs). Since DMDs require no wavelength-dependent calibration process and are polarization independent, it Is plausible to suggest that they could be used for broadband modulation. In this work we will offer a demonstration of how this can be accomplished. We therefore offer a single cost-efficient and versatile tool for the modulation of broadband or, in theory, any desired wavelength of light which may have applications in the fields of optical communication, information processing or detection and imaging.

Level for award;(Hons, MSc, PhD, N/A)?

MSc

Apply to be considered for a student ; award (Yes / No)? Yes

Primary author

Ms Leerin Michaela Perumal (University of the Witwatersrand)

Co-authors

Angela Dudley (CSIR National Laser Centre) Prof. Andrew Forbes (U. Witwatersrand)

Presentation Materials