Search Results - "Pu, Tanchao"
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Unlabeled Far‐Field Deeply Subwavelength Topological Microscopy (DSTM)
Published in Advanced science (01-01-2021)“…A nonintrusive far‐field optical microscopy resolving structures at the nanometer scale would revolutionize biomedicine and nanotechnology but is not yet…”
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Journal Article -
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Deeply sub-wavelength non-contact optical metrology of sub-wavelength objects
Published in APL photonics (01-06-2021)“…Microscopes and various forms of interferometers have been used for decades in optical metrology of objects that are typically larger than the wavelength of…”
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3
Counting and mapping of subwavelength nanoparticles from a single shot scattering pattern
Published in Nanophotonics (Berlin, Germany) (14-07-2023)“…Particle counting is of critical importance for nanotechnology, environmental monitoring, pharmaceutical, food and semiconductor industries. Here we introduce…”
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High-efficiency V-shaped phase gratings to suppress high order diffractions
Published in AIP advances (01-01-2019)“…We propose a V-shaped phase grating to simultaneously improve the diffraction efficiency of the 1st order diffraction mode and suppression of high order modes…”
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5
Deep learning for the design and characterization of high efficiency self-focusing grating
Published in Optics communications (01-05-2022)“…We demonstrate that the deep learning algorithm can considerably simplify the design and characterization of high efficient self-focusing varied line-spaced…”
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Two-dimensional gratings of hexagonal holes for high order diffraction suppression
Published in Optics express (23-01-2017)“…We propose two-dimensional gratings comprised of a large number of identical and similarly oriented hexagonal holes for the high order diffraction suppression…”
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7
High order diffraction suppression by quasi-periodic two-dimensional gratings
Published in Optical materials express (01-02-2017)“…We propose quasi-periodic two-dimensional gratings comprised of a large number of circular holes for the high order diffraction suppression. By using…”
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Deeply Subwavelength Optical Imaging
Published 04-01-2020“…We report the experimental demonstration of deeply subwavelength far-field optical imaging of unlabelled samples with resolution better than $\lambda/20$. We…”
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Deeply Sub-Wavelength Non-Contact Optical Metrology of Sub-Wavelength Objects
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…We report single-shot measuring nanoscale dimensions of randomly positioned objects by an artificial intelligence examination of their optical diffraction…”
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Conference Proceeding -
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Optical Nano-Metrology of Sub-Wavelength Objects Enabled by Artificial Intelligence
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We experimentally demonstrate that a linear dimension of a sub-wavelength nanoscale object can be measured with an accuracy better that λ/250 by a…”
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Conference Proceeding -
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Optical Metrology of Sub-Wavelength Objects Enabled by Artificial Intelligence
Published 11-05-2020“…Microscopes and various forms of interferometers have been used for decades in optical metrology of objects that are typically larger than the wavelength of…”
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Journal Article -
12
Phase-type zigzag grating for suppression high order diffraction
Published in 2018 Conference on Lasers and Electro-Optics (CLEO) (01-05-2018)“…We present a novel design of phase-type diffraction grating for spectrum measurement from soft x-ray to far infrared. The 0, 2n, 3n order diffractions can be…”
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Conference Proceeding -
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Deeply Subwavelength Topological Microscopy
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…We demonstrate experimentally label-free far-field imaging of subwavelength objects at resolution greater than λ/20, exceeding the diffraction limit by an…”
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Conference Proceeding -
14
Deeply Subwavelength Topological Microscopy
Published in 2021 Conference on Lasers and Electro-Optics (CLEO) (01-05-2021)“…We demonstrate experimentally imaging resolution exceeding λ/20 by a new far-field and label-free approach based on illumination with topologically structured…”
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Conference Proceeding -
15
Deep Subwavelength Singularity Imaging beyond λ/100
Published in 2020 Conference on Lasers and Electro-Optics (CLEO) (01-05-2020)“…We introduce a new far-field and label-free imaging paradigm based on combining singularity illumination with artificial-intelligence enabling reconstruction…”
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Conference Proceeding