Arbitrary spectrum generation engine using digital micromirror device

Zi Heng Lim; Jeremy Xuan Yu Chew; Qingze Guan; Guangya Zhou

doi:10.1117/12.3000285

12 March 2024 Arbitrary spectrum generation engine using digital micromirror device

Zi Heng Lim, Jeremy Xuan Yu Chew, Qingze Guan, Guangya Zhou

Proceedings Volume 12899, MOEMS and Miniaturized Systems XXIII; 1289908 (2024) https://doi.org/10.1117/12.3000285
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Calibration is an important step in the construction of traditional spectrometers to ensure the accuracy of the obtained spectrum. Recent advancements in computational spectroscopy have also spurred the need for calibration with the aid of machine learning to enable the recovery of spectrums, but they generally require large datasets. In this paper, we present an arbitrary spectrum generation engine (ASGE) using a digital micromirror device (DMD) that can be configured to work in a broad wavelength range from visible to the near-infrared. The DMD allows for the independent modulation of spectral elements to output arbitrary spectrums and provide the large datasets required for training and calibration of computational spectrometers. The ASGE can also double as a normal spectrometer if a sampling accessory and a detector are included.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Zi Heng Lim, Jeremy Xuan Yu Chew, Qingze Guan, and Guangya Zhou "Arbitrary spectrum generation engine using digital micromirror device", Proc. SPIE 12899, MOEMS and Miniaturized Systems XXIII, 1289908 (12 March 2024); https://doi.org/10.1117/12.3000285

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