Miniaturization of optical spectrometers - PubMed (original) (raw)
Review
. 2021 Jan 29;371(6528):eabe0722.
doi: 10.1126/science.abe0722.
Affiliations
- PMID: 33509998
- DOI: 10.1126/science.abe0722
Review
Miniaturization of optical spectrometers
Zongyin Yang et al. Science. 2021.
Abstract
Spectroscopic analysis is one of the most widely used analytical tools in scientific research and industry. Although laboratory benchtop spectrometer systems offer superlative resolution and spectral range, their miniaturization is crucial for applications where portability is paramount or where in situ measurements must be made. Advancement in this field over the past three decades is now yielding microspectrometers with performance and footprint near those viable for lab-on-a-chip systems, smartphones, and other consumer technologies. We summarize the technologies that have emerged toward achieving these aims-including miniaturized dispersive optics, narrowband filter systems, Fourier transform interferometers, and reconstructive microspectrometers-and discuss the challenges associated with improving spectral resolution while device dimensions shrink ever further.
Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.
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