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Advances in Miniaturized Computational Spectrometers [PDF]

Advanced Science
Miniaturized computational spectrometers have emerged as a promising strategy for miniaturized spectrometers, which breaks the compromise between footprint and performance in traditional miniaturized spectrometers by introducing computational resources ...
Jianbing Zhang
exaly   +4 more sources

Reconstructive spectrometers: hardware miniaturization and computational reconstruction [PDF]

ELight
Spectrometers serve as indispensable analytical tools across chemistry, materials science, environmental monitoring, medical diagnostics, and beyond.
Qixiang Cheng, Hoon Hahn Yoon, Tawfique Hasan   +2 more
exaly   +7 more sources

Advances in cost-effective integrated spectrometers [PDF]

Light: Science & Applications, 2022
The proliferation of Internet-of-Things has promoted a wide variety of emerging applications that require compact, lightweight, and low-cost optical spectrometers.
Ang Li, Chunhui Yao, Junfei Xia, Huijie Wang, Qixiang Cheng, Richard Penty, Yeshaiahu Fainman, Shilong Pan   +7 more
doaj   +4 more sources

Smartphone Spectrometers [PDF]

Sensors, 2018
Smartphones are playing an increasing role in the sciences, owing to the ubiquitous proliferation of these devices, their relatively low cost, increasing processing power and their suitability for integrated data acquisition and processing in a ‘lab in a
Andrew J.S. McGonigle, Thomas C. Wilkes, Tom D. Pering, Jon R. Willmott, Joseph M. Cook, Forrest M. Mims, Alfio V. Parisi   +6 more
doaj   +6 more sources

Computational spectrometers enabled by nanophotonics and deep learning

Nanophotonics, 2022
A new type of spectrometer that heavily relies on computational technique to recover spectral information is introduced. They are different from conventional optical spectrometers in many important aspects.
Gao Li, Qu Yurui, Wang Lianhui, Yu Zongfu   +3 more
doaj   +2 more sources

Miniaturised visible and near-infrared spectrometers for assessing soil health indicators in mine site rehabilitation [PDF]

SOIL, 2022
Mining can cause severe disturbances to the soil, which underpins the viability of terrestrial ecosystems. Post-mining rehabilitation relies on measuring soil properties that are critical indicators of soil health.
Z. Shen, H. D'Agui, L. Walden, M. Zhang, T. M. Yiu, K. Dixon, P. Nevill, P. Nevill, A. Cross, A. Cross, M. Matangulu, Y. Hu, R. A. Viscarra Rossel   +12 more
doaj   +1 more source

Use of Raman Spectroscopy, Scanning Electron Microscopy and Energy Dispersive X-ray Spectroscopy in a Multi-Technique Approach for Physical Characterization of Purple Urine Bag Syndrome

Applied Sciences, 2022
Purple urine bag syndrome (PUBS) is a rare condition characterized by purple discoloration of urine and urine bags. Although it is benign, it represents an alarming symptom to the patients and their relatives because of purple discoloration.
Giuseppe Acri, Carlo Sansotta, Francesca Maria Salmeri, Marco Romeo, Elisa V. Ruello, Lucia Denaro, Barbara Testagrossa   +6 more
doaj   +1 more source

A Pearl Spectrometer [PDF]

Nano Letters, 2020
Information recovery from incomplete measurements, typically performed by a numerical means, is beneficial in a variety of classical and quantum signal processing. Random and sparse sampling with nanophotonic and light scattering approaches has received attention to overcome the hardware limitations of conventional spectrometers and hyperspectral ...
Yunsang Kwak, Sang Mok Park, Zahyun Ku, Augustine Urbas, Young L. Kim   +4 more
openaire   +2 more sources

A von Hámos spectrometer for diamond anvil cell experiments at the High Energy Density Instrument of the European X-ray Free-Electron Laser

Journal of Synchrotron Radiation, 2023
A von Hámos spectrometer has been implemented in the vacuum interaction chamber 1 of the High Energy Density instrument at the European X-ray Free-Electron Laser facility.
Johannes M. Kaa, Zuzana Konôpková, Thomas R. Preston, Valerio Cerantola, Christoph J. Sahle, Mirko Förster, Christian Albers, Lélia Libon, Robin Sakrowski, Lennart Wollenweber, Khachiwan Buakor, Anand Dwivedi, Mikhail Mishchenko, Motoaki Nakatsutsumi, Christian Plückthun, Jan-Patrick Schwinkendorf, Georg Spiekermann, Nicola Thiering, Sylvain Petitgirard, Metin Tolan, Max Wilke, Ulf Zastrau, Karen Appel, Christian Sternemann   +23 more
doaj   +1 more source

Impact of Spectral Resolution and Signal-to-Noise Ratio in Vis–NIR Spectrometry on Soil Organic Matter Estimation

Remote Sensing, 2023
Recently, considerable efforts have been devoted to the estimation of soil properties using optical payloads mounted on drones or satellites. Nevertheless, many studies focus on diverse pretreatments and modeling techniques, while there continues to be a
Bo Yu, Jing Yuan, Changxiang Yan, Jiawei Xu, Chaoran Ma, Hu Dai   +5 more
doaj   +1 more source