air grating - PMC

Jehwan Hwang, Boram Oh, Yeongho Kim, Sinhara Silva, Jun Oh Kim, David A. Czaplewski, Jong Eun Ryu, Eun Kyu Kim, Augustine Urbas, Jiangfeng Zhou, Zahyun Ku, Sang Jun Lee

Sci Rep. 2018; 8: 14787. Published online 2018 Oct 3. doi: 10.1038/s41598-018-32158-y

PMCID:: PMC6170388

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Self-Calibration of a Large-Scale Variable-Line-Spacing Grating for an Absolute Optical Encoder by Differencing Spatially Shifted Phase Maps from a Fizeau Interferometer

Xin Xiong, Chenguang Yin, Lue Quan, Ryo Sato, Hiraku Matsukuma, Yuki Shimizu, Hideaki Tamiya, Wei Gao

Sensors (Basel) 2022 Dec; 22(23): 9348. Published online 2022 Dec 1. doi: 10.3390/s22239348

PMCID:: PMC9736133

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Library of single-etch silicon nitride grating couplers for low-loss and fabrication-robust fiber-chip interconnection

Radovan Korček, David Medina Quiroz, Quentin Wilmart, Samson Edmond, Pavel Cheben, Laurent Vivien, Carlos Alonso-Ramos, Daniel Benedikovič

Sci Rep. 2023; 13: 17467. Published online 2023 Oct 14. doi: 10.1038/s41598-023-44824-x

PMCID:: PMC10576773

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Design of Compact Mid-Infrared Cooled Echelle Spectrometer Based on Toroidal Uniform-Line-Spaced (TULS) Grating

Qingyu Wang, Honghai Shen, Weiqi Liu, Jingzhong Zhang, Lingtong Meng

Sensors (Basel) 2022 Oct; 22(19): 7291. Published online 2022 Sep 26. doi: 10.3390/s22197291

PMCID:: PMC9573266

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Progress in the Preparation and Characterization of Convex Blazed Gratings for Hyper-Spectral Imaging Spectrometer: A Review

Huang Li, Xiaoqiang Peng, Chaoliang Guan, Hao Hu

Micromachines (Basel) 2022 Oct; 13(10): 1689. Published online 2022 Oct 7. doi: 10.3390/mi13101689

PMCID:: PMC9610412

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High-Performance All-Organic DFB and DBR Waveguide Laser with Various Grating Height Fabricated by a Two-Photon Absorption DLW Method

Naoto Tsutsumi, Keiichi Kaida, Kenji Kinashi, Wataru Sakai

Sci Rep. 2019; 9: 10582. Published online 2019 Jul 22. doi: 10.1038/s41598-019-47098-4

PMCID:: PMC6646654

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Simulational investigation of self-aligned bilayer linear grating enabling highly enhanced responsivity of MWIR InAs/GaSb type-II superlattice (T2SL) photodetector

Minseok Lee, Zahyun Ku, Seungjin Jeong, Jehwan Hwang, Junghyun Lee, Junoh Kim, Sang-Woo Kang, Augustine Urbas, Hagyoul Bae, Bongjoong Kim

Sci Rep. 2024; 14: 2050. Published online 2024 Jan 24. doi: 10.1038/s41598-024-52113-4

PMCID:: PMC10808251

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High-Efficiency Metamaterial-Engineered Grating Couplers for Silicon Nitride Photonics

William Fraser, Radovan Korček, Ivan Glesk, Jan Litvik, Jens H. Schmid, Pavel Cheben, Winnie N. Ye, Daniel Benedikovic

Nanomaterials (Basel) 2024 Apr; 14(7): 581. Published online 2024 Mar 27. doi: 10.3390/nano14070581

PMCID:: PMC11013619

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Enhanced Optical Confinement Enriching the Power Conversion Efficiency of Integrated 3D Grating Organic Solar Cell

Moshe Zohar, Roy Avrahamy, Shlomo Hava, Benny Milgrom, Evyatar Rimon

Polymers (Basel) 2022 Oct; 14(20): 4294. Published online 2022 Oct 12. doi: 10.3390/polym14204294

PMCID:: PMC9611142

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A High-Efficiency Wideband Grating Coupler Based on Si₃N₄ and a Silicon-on-Insulator Heterogeneous Integration Platform

Meng Liu, Xu Zheng, Xuan Zheng, Zisu Gong

Materials (Basel) 2024 Feb; 17(4): 947. Published online 2024 Feb 18. doi: 10.3390/ma17040947

PMCID:: PMC10890339

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Backscattering design for a focusing grating coupler with fully etched slots for transverse magnetic modes

Jahn Hoffmann, K. Marvin Schulz, Giampaolo Pitruzzello, Lena Simone Fohrmann, Alexander Yu. Petrov, Manfred Eich

Sci Rep. 2018; 8: 17746. Published online 2018 Dec 10. doi: 10.1038/s41598-018-36082-z

PMCID:: PMC6288090

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Analysis of grating doublets for achromatic beam-splitting

Shaun Pacheco, Tom Milster, Rongguang Liang

Opt Express. 2015 Aug 24; 23(17): 22939–22952. Published online 2015 Aug 21. doi: 10.1364/OE.23.022939

PMCID:: PMC4646524

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Resonant Subwavelength and Nano-Scale Grating Structures for Biosensing Application: A Comparative Study

Mohammad Abutoama, Marwan Abuleil, Ibrahim Abdulhalim

Sensors (Basel) 2021 Jul; 21(13): 4523. Published online 2021 Jul 1. doi: 10.3390/s21134523

PMCID:: PMC8271722

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Fabrication of X-ray absorption gratings by centrifugal deposition of bimodal tungsten particles in high aspect ratio silicon templates

Simon Pinzek, Alex Gustschin, Nikolai Gustschin, Manuel Viermetz, Franz Pfeiffer

Sci Rep. 2022; 12: 5405. Published online 2022 Mar 30. doi: 10.1038/s41598-022-08222-z

PMCID:: PMC8968707

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PMC Images search for air grating

Figure 2

SEM images of a freestanding HfO₂grating template. (a) SEM image of freestanding HfO₂grating template; (b) epitaxial III-nitride grating with air opening of 400 nm, and the inset is the zoom-in image; (c) epitaxial III-nitride grating with an air opening of 200 nm, and the inset is the zoom-in image; (d) epitaxial III-nitride grating with an air opening of 600 nm, and the inset is the zoom-in image; (e) 700-nm period epitaxial circular III-nitride grating; and (f) 500-nm period epitaxial circular III-nitride grating.

III-Nitride grating grown on freestanding HfO2 gratings

Nanoscale Res Lett. 2011;6(1):497-497.
Figure 3

PL spectra of epitaxial gratings with various air openings. (a) PL spectra of 1,020-nm period epitaxial III-nitride grating versus air opening. (b) PL spectra of epitaxial III-nitride grating versus grating periods.

III-Nitride grating grown on freestanding HfO2 gratings

Nanoscale Res Lett. 2011;6(1):497-497.
Figure 3

Reflective properties of single grating and double gratings. (a) Reflectivity spectra of the nanowire with single grating (blue) and double gratings (red). Profiles of H_z of the propagating mode for the nanowire sandwiched in double gratings (b) and placed on single grating (c). Insets are modal profiles of HE_11a for the nanowire sandwiched in double gratings and in air, respectively.

Enhanced Reflection of GaAs Nanowire Laser Using Short-Period, Symmetric Double Metal Grating Reflectors

Nanomaterials (Basel). 2022 May;12(9):1482.
Figure 1Schematic of zeroth-order nulled mask by a low-contrast grating (refractive indices n1: air, n2: fused silica; d period; b ridge width; h depth; θ−1 and θ1 diffraction angle of the −1st and the 1st order, respectively).

The grating can be directly etched in substrate of fused silica.

Cancellation of the zeroth order by a low-contrast grating

Sci Rep. 2015;5:16501.