Showing 881 - 900 results of 918 for search '"adaptive optics"', query time: 0.18s Refine Results
  1. 881

    Deflectometry based calibration of a deformable mirror for aberration correction and remote focusing in microscopy by Temma, K, Wincott, M, Fujita, K, Booth, MJ

    Published 2023
    “…Adaptive optics (AO) techniques enhance the capability of optical microscopy through precise control of wavefront modulations to compensate phase aberrations and improves image quality. …”
    Journal article
  2. 882

    Two-photon microscopy with diffractive optical elements and spatial light modulators by Brendon O Watson, Volodymyr Nikolenko, Roberto Araya, Darcy S Peterka, Alan Woodruff, Rafael Yuste

    Published 2010-09-01
    “…In addition, SLMs can be used to mimic a large number of optical transfer functions, including light path corrections or as adaptive optical devices.…”
    Get full text
    Article
  3. 883

    Reliability of Liquid Crystals in Space Photonics by Eva Oton, Javier Perez-Fernandez, Demetrio Lopez-Molina, Xabier Quintana, Jose M. Oton, Morten A. Geday

    Published 2015-01-01
    “…Device fabrication and testing was done within an ESA-funded project, whose purpose was the design, manufacturing, and characterization of adaptive optical elements, as well as the execution of qualification tests on the devices in space-simulated conditions.…”
    Get full text
    Article
  4. 884

    Carbon fibre composite deformable mirrors: Developments at UCL by Kendrew, S, Doel, P, Brooks, D, King, A, Dorn, C, Dwan, R, Yates, C, Dando, G, Richardson, I, Evans, G

    Published 2006
    “…Adaptive optics performance is essential for achieving the demanding science goals set for the ground-based optical telescopes of the future - the so-called extremely large telescopes (ELTs). …”
    Journal article
  5. 885

    Controllable Josephson junction for photon Bose-Einstein condensates by Mario Vretenar, Ben Kassenberg, Shivan Bissesar, Chris Toebes, Jan Klaers

    Published 2021-06-01
    “…More generally, the combination of static and dynamic nanostructuring techniques introduced in our work offers a powerful platform for the implementation of adaptive optical systems for paraxial light in and outside of thermal equilibrium.…”
    Get full text
    Article
  6. 886

    Dopamine induces optical changes in the cichlid fish lens. by J Marcus Schartau, Ronald H H Kröger, Bodil Sjögreen

    Published 2010-01-01
    “…Our results suggest that dopamine alone could be responsible for the light/dark adaptive optical changes in the lens, but the involvement of other signaling substances cannot be ruled out.…”
    Get full text
    Article
  7. 887

    Strain-insensitive viscoelastic perovskite film for intrinsically stretchable neuromorphic vision-adaptive transistors by Chengyu Wang, Yangshuang Bian, Kai Liu, Mingcong Qin, Fan Zhang, Mingliang Zhu, Wenkang Shi, Mingchao Shao, Shengcong Shang, Jiaxin Hong, Zhiheng Zhu, Zhiyuan Zhao, Yunqi Liu, Yunlong Guo

    Published 2024-04-01
    “…When acted as an artificial synapse, the device can operate at an ultra-low energy consumption (15 aJ) (far below the human brain of 1 ~ 10 fJ) with a high paired-pulse facilitation index of 270% (one of the best figures of merit in stretchable synaptic phototransistors). Furthermore, adaptive optical imaging is achieved by the strain-insensitive perovskite films, accelerating the implementation of next-generation neuromorphic vision systems.…”
    Get full text
    Article
  8. 888

    Performance Enhancement and Applications Review of Nano Light Emitting Device (LED) by Harel Perlman, Tsion Eisenfeld, Avi Karsenty

    Published 2020-12-01
    “…In addition to the physical complementary analysis, several studies have focused on optimizations: optimal geometry for a pixel (cylindrical or conical shape), and wavelength adaptation (optical communication). In addition to numerical simulation results, an analytical model has been developed. …”
    Get full text
    Article
  9. 889

    Influence of Large-Aperture Output Wavefront Distribution on Focal Spot in High-Power Laser Facility by Jiamei Li, Hui Yu, Dawei Li, Li Wang, Junyong Zhang, Qiong Zhou, Fengnian Lv, Xingqiang Lu

    Published 2023-03-01
    “…These results can be applied to focal quality improvement in designing an adaptive optical system, optical element processing, as well as focal spot prediction in high-power laser facilities.…”
    Get full text
    Article
  10. 890

    Spectrum Continuity and Contiguity based Dedicated Protection for Flexible Optical Networks by André V. S. Xavier, Raul C. Almeida Jr., Joaquim F. Martins-Filho, Daniel A. R. Chaves, Carmelo J. A. Bastos-Filho

    “…Abstract Elastic optical networks (EONs) have been pointed out as a promising candidate for transporting data with high transmission rates in adaptive optical networks. Consequently, the occurrence of a failure in a simple element may cause the interruption of various services. …”
    Get full text
    Article
  11. 891

    Optical response of heterogeneous polymer layers containing silver nanostructures by Miriam Carlberg, Florent Pourcin, Olivier Margeat, Judikaël Le Rouzo, Gérard Berginc, Rose-Marie Sauvage, Jörg Ackermann, Ludovic Escoubas

    Published 2017-05-01
    “…The introduction of silver nanostructures in polymer thin films is assumed to result in layers having adaptable optical properties. Thin film layers with inclusions of differently shaped nanoparticles, such as nanospheres and nanoprisms, and of different sizes, are optically characterized. …”
    Get full text
    Article
  12. 892

    Mechanisms to control laser-plasma coupling in laser wakefield electron acceleration by L. T. Dickson, C. I. D. Underwood, F. Filippi, R. J. Shalloo, J. Björklund Svensson, D. Guénot, K. Svendsen, I. Moulanier, S. Dobosz Dufrénoy, C. D. Murphy, N. C. Lopes, P. P. Rajeev, Z. Najmudin, G. Cantono, A. Persson, O. Lundh, G. Maynard, M. J. V. Streeter, B. Cros

    Published 2022-10-01
    “…Single peak electron spectra are produced in a previously unexplored regime by combining an early focal position and adaptive optic control of the laser wavefront by optimizing the symmetry of the prefocal laser energy distribution. …”
    Get full text
    Article
  13. 893
  14. 894

    Optical engineering of colour centres in diamond by Kirkpatrick, A

    Published 2023
    “…This thesis details the construction and operating principles of the homebuilt fabrication system, which includes the use of adaptive optic elements. Additionally this thesis investigates phenomena observed during ultrafast farbication of NV− centres using ab initio calculations of defect interactions within diamond. …”
    Thesis
  15. 895

    Recent Trends in Fascinating Applications of Nanotechnology in Allied Health Sciences by Shreya Modi, Rajendra Prajapati, Gajendra Kumar Inwati, Nikky Deepa, Vineet Tirth, Virendra Kumar Yadav, Krishna Kumar Yadav, Saiful Islam, Parul Gupta, Do-Hyeon Kim, Byong-Hun Jeon

    Published 2021-12-01
    “…It has potential applications for altering the structural, surface, and physicochemical properties of nano-ranged metamaterials. The adaptable optical, structural, and surface characteristics of the nanoscopic regimes enhance the quality of integrated nanodevices and sensors. …”
    Get full text
    Article
  16. 896

    Origin of wiring specificity in an olfactory map revealed by neuron type–specific, time-lapse imaging of dendrite targeting by Kenneth Kin Lam Wong, Tongchao Li, Tian-Ming Fu, Gaoxiang Liu, Cheng Lyu, Sayeh Kohani, Qijing Xie, David J Luginbuhl, Srigokul Upadhyayula, Eric Betzig, Liqun Luo

    Published 2023-03-01
    “…Two-photon– and adaptive optical lattice light-sheet microscope–based time-lapse imaging reveals that PN dendrites initiate active targeting with direction-dependent branch stabilization on the timescale of seconds. …”
    Get full text
    Article
  17. 897

    Fast Self-Adaptive Digital Camouflage Design Method Based on Deep Learning by Houdi Xiao, Zhipeng Qu, Mingyun Lv, Yi Jiang, Chuanzhi Wang, Ruiru Qin

    Published 2020-07-01
    “…In this paper, a fast-self-adaptive digital camouflage design method based on deep learning is proposed for the new generation of adaptive optical camouflage. Firstly, we trained a YOLOv3 model that could identify four typical military targets with mean average precision (mAP) of 91.55%. …”
    Get full text
    Article
  18. 898

    Studies on digital holography for aspheric surface measurement by Wang, Zhaomin

    Published 2017
    “…In this thesis, measurement and characterization of the aspheric lens with digital holography is studied. An adaptive optical element is introduced in the digital holography setup to measure aspheric lenses with different Numerical Aperture (NA). …”
    Get full text
    Thesis
  19. 899

    Testing the limit of AO for ELTs: Diffraction limited astronomy in the red optical by Tecza, M, Magorrian, J, Thatte, N, Clarke, F

    Published 2011
    “…Many of the proposed science cases for extremely large telescopes (ELT) are only possible because of the unprecedented sensitivity and spatial resolution due to advanced, e.g. tomographic and multi conjugate, adaptive optic (AO) systems. Current AO systems on 8-10 m telescopes work best at wavelengths longward of 1 μm with Strehl ratios ≥ 15%. …”
    Conference item
  20. 900

    Two-Wavelength Computational Holography for Aberration-Corrected Simultaneous Optogenetic Stimulation and Inhibition of In Vitro Biological Samples by Felix Schmieder, Lars Büttner, Tony Hanitzsch, Volker Busskamp, Jürgen W. Czarske

    Published 2022-02-01
    “…These are superposed on the same spatial light modulators that display the pattern-generating holograms, hence no further adaptive optical elements are needed for aberration correction. …”
    Get full text
    Article