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Ren L, Yang X, Huang S, Zhong Z, Peng J, Ye L, Hou Y, Zhang B. Towards high-performance polarimeters with large-area uniform chiral shells: a comparative study on the polarization detection precision enabled by the Mueller matrix and deep learning algorithm. OPTICS EXPRESS 2024; 32:16414-16425. [PMID: 38859268 DOI: 10.1364/oe.521432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 04/05/2024] [Indexed: 06/12/2024]
Abstract
Polarization detection and imaging technologies have attracted significant attention for their extensive applications in remote sensing, biological diagnosis, and beyond. However, previously reported polarimeters heavily relied on polarization-sensitive materials and pre- established mapping relationships between the Stokes parameters and detected light intensities. This dependence, along with fabrication and detection errors, severely constrain the working waveband and detection precision. In this work, we demonstrated a highly precise, stable, and broadband full-Stokes polarimeter based on large-area uniform chiral shells and a post-established mapping relationship. By precisely controlling the geometry through the deposition of Ag on a large-area microsphere monolayer with a uniform lattice, the optical chirality and anisotropy of chiral shells can reach about 0.15 (circular dichroism, CD) and 1.7, respectively. The post-established mapping relationship between the Stokes parameters and detected light intensities is established through training a deep learning algorithm (DLA) or fitting the derived mapping-relationship formula based on the Mueller matrix theory with a large dataset collected from our home-built polarization system. For the detection precision with DLA, the mean squared errors (MSEs) at 710 nm can reach 0.10% (S1), 0.41% (S2), and 0.24% (S3), while for the Mueller matrix theory, the corresponding values are 0.14% (S1), 0.46% (S2), and 0.48% (S3). The in-depth comparative studies indicate that the DLA outperforms the Mueller matrix theory in terms of detection precision and robustness, especially for weak illumination, small optical anisotropy and chirality. The averaged MSEs over a broad waveband ranging from 500 nm to 750 nm are 0.16% (S1), 0.46% (S2), and 0.61% (S3), which are significantly smaller than those derived from the Mueller matrix theory (0.45% (S1), 1% (S2), and 39.8% (S3)). The optical properties of chiral shells, the theory and DLA enabled mapping-relationships, the combination modes of chiral shells, and the MSE spectra have been systematically investigated.
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Huang X, Ji X, Qin W, Wang Y, Wang L, Gao F, Hou Y. High performance laser-driven flyers based on a refractory metamaterial perfect absorber. OPTICS EXPRESS 2023; 31:7237-7248. [PMID: 36859859 DOI: 10.1364/oe.484707] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 01/29/2023] [Indexed: 06/18/2023]
Abstract
Laser-driven flyers (LDFs), which can drive metal particles to ultra-high speeds by feeding high-power laser, have been widely used in many fields, such as ignition, space debris simulation, and dynamic high-pressure physics. However, the low energy-utilization efficiency of the ablating layer hinders the development of LDF devices towards low power consumption and miniaturization. Herein, we design and experimentally demonstrate a high-performance LDF based on the refractory metamaterial perfect absorber (RMPA). The RMPA consists by a layer of TiN nano-triangular array, a dielectric layer and a layer of TiN thin film, and is realized by combing the vacuum electron beam deposition and colloid-sphere self-assembled techniques. RMPA can greatly improve the absorptivity of the ablating layer to about 95%, which is comparable to the metal absorbers, but obviously larger than that of the normal Al foil (∼10%). This high-performance RMPA brings a maximum electron temperature of ∼7500 K at ∼0.5 µs and a maximum electron density of ∼1.04 × 1016 cm-3 at ∼1 µs, which are higher than that the LDFs based on normal Al foil and metal absorbers due to the robust structure of RMPA under high-temperature. The final speed of the RMPA-improved LDFs reaches to about 1920 m/s measured by the photonic Doppler velocimetry system, which is about 1.32 times larger than the Ag and Au absorber-improved LDFs, and about 1.74times larger than the normal Al foil LDFs under the same condition. This highest speed unambiguously brings a deepest hole on the Teflon slab surface during the impact experiments. The electromagnetic properties of RMPA, transient speed and accelerated speed, transient electron temperature and density have been systematically investigated in this work.
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Yang X, Huang S, Chikkaraddy R, Goerlitzer ESA, Chen F, Du J, Vogel N, Weiss T, Baumberg JJ, Hou Y. Chiral Plasmonic Shells: High-Performance Metamaterials for Sensitive Chiral Biomolecule Detection. ACS APPLIED MATERIALS & INTERFACES 2022; 14:53183-53192. [PMID: 36379040 DOI: 10.1021/acsami.2c16752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Low-cost and large-area chiral metamaterials (CMs) are highly desirable for practical applications in chiral biosensors, nanophotonic chiral emitters, and beyond. A promising fabrication method takes advantage of self-assembled colloidal particles, onto which metal patches with defined orientation are created using glancing angle deposition (GLAD). However, using this method to make uniform and well-defined CMs over macroscopic areas is challenging. Here, we fabricate a uniform large-area colloidal particle array by interface-mediated self-assembly and precisely control the structural handedness of chiral plasmonic shells (CPSs) using GLAD. Strong chiroptical signals arise from twisted currents at the main, corner, and edge of CPSs, allowing a balance between strong chiroptical and high transmittance properties. Our shell-like chiral geometry shows excellent sensor performance in detecting chiral molecules due to the formation of uniform superchiral fields. Systematic investigations optimize the interplay between peak and null point resonances in different CPSs and result in a record consistency chiral sensor parameter U, i.e., 3.77 for null points and 0.0867 for peaks, which are about 54 and 1.257 times larger than the highest value (0.068) of previously reported CMs. The geometrical chirality, surface plasmonic resonance, chiral surface lattice resonance, and chiral sensor performance evidence the chiroptical effect and the excellent chiral sensor performance.
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Affiliation(s)
- Xiu Yang
- College of Physics, Sichuan University, Chengdu610065, China
| | - Shanshan Huang
- College of Physics, Sichuan University, Chengdu610065, China
| | - Rohit Chikkaraddy
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, CambridgeCB3 0HE, United Kingdom
| | - Eric S A Goerlitzer
- Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, ErlangenD-91058, Germany
| | - Feiliang Chen
- School of Electronics Science Engineering, University of Electronic Science and Technology of China, Chengdu610056, China
| | - Jinglei Du
- College of Physics, Sichuan University, Chengdu610065, China
| | - Nicolas Vogel
- Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauerstraße 4, ErlangenD-91058, Germany
| | - Thomas Weiss
- Physics Institute and Research Center SCoPE, University of Stuttgart, Stuttgart70569, Germany
- Institute of Physics, University of Graz, and NAWI Graz, Graz8010, Austria
| | - Jeremy J Baumberg
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, CambridgeCB3 0HE, United Kingdom
| | - Yidong Hou
- College of Physics, Sichuan University, Chengdu610065, China
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, University of Cambridge, CambridgeCB3 0HE, United Kingdom
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Wang Y, Ai B, Wang Z, Guan Y, Chen X, Zhang G. Chiral nanohelmet array films with Three-Dimensional (3D) resonance cavities. J Colloid Interface Sci 2022; 626:334-344. [DOI: 10.1016/j.jcis.2022.06.160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/21/2022] [Accepted: 06/27/2022] [Indexed: 11/28/2022]
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Huang S, Yang X, Liang X, Wu X, Yang C, Du J, Hou Y. Engineering a strong and stable ultraviolet chiroptical effect in a large-area chiral plasmonic shell. OPTICS EXPRESS 2022; 30:31486-31497. [PMID: 36242228 DOI: 10.1364/oe.468675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/05/2022] [Indexed: 06/16/2023]
Abstract
Ultraviolet chiral metamaterials (UCM) are highly desired for their strong interaction with the intrinsic resonance of molecules and ability in manipulating the polarization state of high energy photons, but rarely reported to date due to their small feature size and complex geometry. Herein, we design and fabricate a kind of novel ultraviolet chiral plasmonic shell (UCPS) by combing the stepwise Al deposition and colloid-sphere assembled techniques. The cancellation effect originated from the disorder lattices of micro-domains in the colloid monolayer has been successfully overcome by optimizing the deposition parameters, and a strong CD signal of larger than 1 deg in the UV region is demonstrated both in simulation and experiment. This strong ultraviolet chiroptical resonances mainly come from the surface chiral lattice resonance mode, the whispering gallery mode and also the interaction between neighbor shells, and can be effectively tuned by changing structural parameters, for example, the sphere diameter, or even slightly increasing the deposition temperature in experiment. To improve the stability, the fabricated UCPSs are protected by N2 in the deposition chamber and then passivated by UV-ozone immediately after each deposition step. The formed UCPS show an excellent stability when exposing in the atmospheric environment. The computer-aided geometrical model, electromagnetic modes, and the tunable chiroptical resonance modes have been systematically investigated.
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Therien DAB, Read ST, Rosendahl SM, Lagugné‐Labarthet F. Optical Resonances of Chiral Metastructures in the Mid‐infrared Spectral Range. Isr J Chem 2022. [DOI: 10.1002/ijch.202200007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Denis A. B. Therien
- Department of Chemistry Western University The University of Western Ontario). 1151 Richmond Street London Ontario, N6A 5B7 Canada
| | - Stuart T. Read
- Canadian Light Source Inc. 44 Innovation Blvd Saskatoon Saskatchewan S7N 2V3 Canada
| | - Scott M. Rosendahl
- Canadian Light Source Inc. 44 Innovation Blvd Saskatoon Saskatchewan S7N 2V3 Canada
| | - François Lagugné‐Labarthet
- Department of Chemistry Western University The University of Western Ontario). 1151 Richmond Street London Ontario, N6A 5B7 Canada
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Kim Y, Kim H, Yang Y, Badloe T, Jeon N, Rho J. Three-dimensional artificial chirality towards low-cost and ultra-sensitive enantioselective sensing. NANOSCALE 2022; 14:3720-3730. [PMID: 35230363 DOI: 10.1039/d1nr05805c] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Artificial chiral structures have potential applications in the field of enantioselective signal sensing. Advanced nanofabrication methods enable a large diversity in geometric structures and broad selectivity of materials, which can be exploited to manufacture artificial three-dimensional chiral structures. Various chiroptical phenomena exploiting spin and orbital angular momentum at the nanoscale have been continuously exploited as a way to effectively detect enantiomers. This review introduces precisely controlled bottom-up and large-area top-down metamaterial fabrication methods to solve the limitations of high manufacturing cost and low production speed. Particle synthesis, self-assembly, glanced angled vapor deposition, and three-dimensional plasmonic nanostructure printing are introduced. Furthermore, emerging sensitive chiral sensing methods such as cavity-enhanced chirality, photothermal circular dichroism, and helical dichroism of single particles are discussed. The continuous progress of nanofabrication technology presents the strong potential for developing artificial chiral structures for applications in biomedical, pharmaceutical, nanophotonic systems.
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Affiliation(s)
- Yeseul Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Hongyoon Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Younghwan Yang
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Trevon Badloe
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Nara Jeon
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
| | - Junsuk Rho
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea.
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- POSCO-POSTECH-RIST Convergence Research Center for Flat Optics and Metaphotonics, Pohang 37673, Republic of Korea
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Suchitta A, Suri P, Xie Z, Xu X, Ghosh A. Chiro-optical response of a wafer scale metamaterial with ellipsoidal metal nanoparticles. NANOTECHNOLOGY 2021; 32:315705. [PMID: 33857929 DOI: 10.1088/1361-6528/abf877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
We report a large chiro-optical response from a nanostructured film of aperiodic dielectric helices decorated with ellipsoidal metal nanoparticles. The influence of the inherent fabrication variation on the chiro-optical response of the wafer-scalable nanostructured film is investigated using a computational model which closely mimics the material system. From the computational approach, we found that the chiro-optical signal is strongly dependent on the ellipticities of the metal nanoparticles and the developed computational model can account for all the variations caused by the fabrication process. We report the experimentally realized dissymmetry factor ∼1.6, which is the largest reported for wafer scalable chiro-plasmonic samples till now. The calculations incorporate strong multipolar contributions of the plasmonic interactions to the chiro-optical response from the tightly confined ellipsoidal nanoparticles, improving upon the previous studies carried in the coupled dipole approximation regime. Our analyzes confirm the large chiro-optical response in these films developed by a scalable and simple fabrication technique, indicating their applicability pertaining to manipulation of optical polarization, enantiomer selective identification and enhanced sensing and detection of chiral molecules.
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Affiliation(s)
- Aakansha Suchitta
- Department of Electrical Engineering, Indian Institute Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Priyanka Suri
- Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore, India
| | - Zhuolin Xie
- Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore, India
| | - Xianfan Xu
- School of Mechanical Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States of America
| | - Ambarish Ghosh
- Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore, India
- Department of Physics, Indian Institute of Science, Bangalore, India
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