Miniaturization of optical spectrometers
BACKGROUND Optical spectrometry is one of the most powerful and widely used
characterization tools in scientific and industrial research. Benchtop laboratory spectrometer …
characterization tools in scientific and industrial research. Benchtop laboratory spectrometer …
Geometric deep optical sensing
Geometry, an ancient yet vibrant branch of mathematics, has important and far-reaching
impacts on various disciplines such as art, science, and engineering. Here, we introduce an …
impacts on various disciplines such as art, science, and engineering. Here, we introduce an …
Compact angle-resolved metasurface spectrometer
Light scattered or radiated from a material carries valuable information on the said material.
Such information can be uncovered by measuring the light field at different angles and …
Such information can be uncovered by measuring the light field at different angles and …
Computational spectropolarimetry with a tunable liquid crystal metasurface
Y Ni, C Chen, S Wen, X Xue, L Sun, Y Yang - eLight, 2022 - Springer
While conventional photodetectors can only measure light intensity, the vectorial light field
contains much richer information, including polarization and spectrum, that are essential for …
contains much richer information, including polarization and spectrum, that are essential for …
Metasurface-empowered snapshot hyperspectral imaging with convex/deep (CODE) small-data learning theory
Hyperspectral imaging is vital for material identification but traditional systems are bulky,
hindering the development of compact systems. While previous metasurfaces address …
hindering the development of compact systems. While previous metasurfaces address …
Ultraspectral imaging based on metasurfaces with freeform shaped meta‐atoms
J Yang, K Cui, X Cai, J Xiong, H Zhu… - Laser & Photonics …, 2022 - Wiley Online Library
Metasurfaces have an exceptional capacity to manipulate the phase, amplitude,
polarization, or spectrum of light. However, unit cells, or meta‐atoms, of metasurfaces are …
polarization, or spectrum of light. However, unit cells, or meta‐atoms, of metasurfaces are …
Asymptotic dispersion engineering for ultra-broadband meta-optics
Dispersion decomposes compound light into its monochromatic components, which is
detrimental to broadband imaging but advantageous for spectroscopic applications …
detrimental to broadband imaging but advantageous for spectroscopic applications …
Integrated reconstructive spectrometer with programmable photonic circuits
Optical spectroscopic sensors are a powerful tool to reveal light-matter interactions in many
fields. Miniaturizing the currently bulky spectrometers has become imperative for the wide …
fields. Miniaturizing the currently bulky spectrometers has become imperative for the wide …
Spectral super-resolution meets deep learning: Achievements and challenges
Spectral super-resolution (sSR) is a very important technique to obtain hyperspectral images
from only RGB images, which can effectively overcome the high acquisition cost and low …
from only RGB images, which can effectively overcome the high acquisition cost and low …
Deeply learned broadband encoding stochastic hyperspectral imaging
Many applications requiring both spectral and spatial information at high resolution benefit
from spectral imaging. Although different technical methods have been developed and …
from spectral imaging. Although different technical methods have been developed and …