Imaging techniques articles within Nature Photonics

Featured

  • Article |

    A terahertz-driven photogun with field gradients of 3 GV m−1 is demonstrated by using a few microjoules of single-cycle terahertz radiation. The emitted electrons are accelerated up to 14 keV and can be focused down to 90 μm. The electron bunch is further compressed to 167 fs.

    • Jianwei Ying
    • , Xie He
    •  & Dongfang Zhang

  • News & Views |

    A non-common-path interferometric scheme enables holographic detection of single proteins of mass 90 kDa and estimation of single-protein polarizability.

    • Chia-Lung Hsieh

  • Article
    | Open Access

    Holographic microscopy with independent control of the signal and reference fields enables the holographic imaging of a single protein with mass below 100 kDa and estimation of their polarizability.

    • Jan Christoph Thiele
    • , Emanuel Pfitzner
    •  & Philipp Kukura

  • Article
    | Open Access

    Free-electron homodyne detection allows measuring phase-resolved optical responses in electron microscopy, demonstrated in the imaging of plasmonic fields with few-nanometre spatial and sub-cycle temporal resolutions.

    • John H. Gaida
    • , Hugo Lourenço-Martins
    •  & Claus Ropers

  • Review Article |

    This Review covers a comparison between various label-free biomedical imaging techniques, their advantages over label-based methods and relevant applications.

    • Natan T. Shaked
    • , Stephen A. Boppart
    •  & Jürgen Popp

  • Article
    | Open Access

    Spatial-frequency tracking adaptive beacon light-field encoded endoscopy enables imaging through a single multimode fibre under bending and twisting. In vivo imaging with subcellular resolution is demonstrated in mice models.

    • Zhong Wen
    • , Zhenyu Dong
    •  & Qing Yang

  • Article |

    Two-photon excitation with mid- and near-infrared pulses encodes bond selectivity in fluorescence imaging. Single-molecule imaging and spectroscopy is demonstrated on individual fluorophores as well as various labelled biological targets.

    • Haomin Wang
    • , Dongkwan Lee
    •  & Lu Wei

  • Article |

    Researchers engineer double-tapered optical-fibre arrays and use perovskite nanocrystal substrates for X-ray imaging with a three orders of magnitude output gain and spatial resolution of 22 lp mm−1. Arrayed gamma-ray imaging is also demonstrated using a nanocrystal scintillator film.

    • Luying Yi
    • , Bo Hou
    •  & Xiaogang Liu

  • Letter
    | Open Access

    Dual-comb digital holography based on an interferometer composed of two frequency combs of slightly different repetition frequencies and a lensless camera sensor allows highly frequency-multiplexed holography with high temporal coherence.

    • Edoardo Vicentini
    • , Zhenhai Wang
    •  & Nathalie Picqué

  • Review Article |

    Recent progress in terahertz scanning probe microscopy is reviewed with an emphasis on techniques that access length scales below 100 nm relevant to material science. An outlook on the future of nanoscale terahertz scanning probe microscopy is also provided.

    • T. L. Cocker
    • , V. Jelic
    •  & F. A. Hegmann

  • Letter |

    The concept of scattering invariant modes is introduced to produce the same transmitted field profiles through a multiple scattering sample and a reference medium. Their correlations with the ballistic light can be used to improve imaging inside scattering materials.

    • Pritam Pai
    • , Jeroen Bosch
    •  & Allard P. Mosk

  • Review Article |

    Recent improvements of the operation speed of variable optical elements are reviewed with an emphasis on components with microsecond focus-varying response time.

    • SeungYeon Kang
    • , Martí Duocastella
    •  & Craig B. Arnold

  • Article |

    Coherent diffractive imaging using broadband illumination is demonstrated at visible and X-ray wavelengths. The method is based on a numerical monochromatization of the broadband diffraction pattern by the regularized inversion of a matrix.

    • Julius Huijts
    • , Sara Fernandez
    •  & Hamed Merdji

  • News & Views |

    Using a photonic chip to generate the patterns of light needed for structured illumination microscopy could reduce the cost and complexity of super-resolution imaging.

    • Sara Abrahamsson

  • News & Views |

    High-efficiency, time-domain, near-infrared fluorophores provide multiplexed colour channels for distinct deep bioimaging.

    • Shoujun Zhu
    •  & Xiaoyuan Chen

  • Letter |

    By time-shifting short-pulse excitation photon energy into prolonged luminescent emission in the time domain, both the number of light signal transducers in sub-15 nm nanoparticles and the near-infrared-in to near-infrared-out conversion efficiency can be maximized, advancing in vivo optical bioimaging.

    • Yuyang Gu
    • , Zhiyong Guo
    •  & Fuyou Li

  • Article |

    By combining a single-photon time-of-flight camera with computational processing of the spatial and full temporal photon distribution data, an object embedded inside a strongly diffusive medium can be imaged over more than 80 transport mean free paths in a contactless manner on the timescale of the order of 1 s.

    • Ashley Lyons
    • , Francesco Tonolini
    •  & Daniele Faccio

  • News & Views |

    Exploiting an optical cavity that folds space in time in a conventional lens design provides a novel route for time-resolved imaging and depth sensing.

    • Sylvain Gigan

  • Article |

    By folding large spaces in time using an off-resonant Fabry–Pérot cavity in camera sensors, new capabilities such as ultrafast multi-zoom imaging and ultrafast multispectral imaging, of use for time-resolved imaging and depth-sensing optics, are found.

    • Barmak Heshmat
    • , Matthew Tancik
    •  & Ramesh Raskar

  • News & Views |

    In the quest for nanoscopy with super-resolution, consensus from the imaging community is that super-resolution is not always needed and that scientists should choose an imaging technique based on their specific application.

    • Rachel Won

  • Review Article |

    This Review covers key advancements in X-ray ptychographic microscopy and tomography over the past ten years. Potential applications in the life and materials sciences, the latest concepts and future developments are also discussed.

    • Franz Pfeiffer

  • Article |

    The position of a single Yb atomic ion is determined with a minimum uncertainty of 1.7 nm for 0.2 s integration time — the highest position sensitivity reported to date for an isolated atom.

    • J. D. Wong-Campos
    • , K. G. Johnson
    •  & C. Monroe

  • Commentary |

    The definition and reporting of spatial resolution for coherent imaging methods varies widely in the imaging community. We advocate the use of a standard spoke-pattern imaging target and the mandatory inclusion of information about underlying a priori assumptions.

    • Roarke Horstmeyer
    • , Rainer Heintzmann
    •  & Changhuei Yang

  • Article |

    The prediction of light propagation up to hundreds of millimetres within straight or even deformed segments of multimode fibres is demonstrated. The concept is applied in an endoscope and exceptional resolution and footprint are obtained.

    • Martin Plöschner
    • , Tomáš Tyc
    •  & Tomáš Čižmár

  • News & Views |

    Non-invasive, multispectral characterization of integrated photonic circuits paves the way towards optical methodologies ready for industrial applications.

    • Matteo Burresi

  • Interview |

    A burst-mode camera developed in Japan called STAMP with a femtosecond frame rate could become a powerful tool for studying ultrafast dynamics. Nature Photonics asked Keiichi Nakagawa about the technique.

    • Noriaki Horiuchi

  • Letter |

    A single-shot burst camera has been developed that can generate motion pictures without performing repetitive measurements. It has a frame rate of 4.4 trillion frames per second and a high pixel resolution of 450 × 450 pixels, making it a powerful tool for observing difficult-to-reproduce or non-repetitive events in real time.

    • K. Nakagawa
    • , A. Iwasaki
    •  & I. Sakuma

  • Article |

    Through shaping of colloidal particles, optical traps with prescribed force–displacement profiles are generated and are used to design a microscopic constant-force spring capable of delivering a constant piconewton-scale restoring force for displacements of several micrometres. Potential future applications include the imaging of sensitive biological membranes.

    • D. B. Phillips
    • , M. J. Padgett
    •  & S. H. Simpson

  • Letter |

    An ultrafast terahertz (THz) scanning tunnelling microscope (STM) with subpicosecond time resolution and nanometre spatial resolution has been developed. THz pulses are coupled to the metal tip of a commercial STM and THz-pulse-induced tunnelling is observed in the STM. The THz-STM can directly image ultrafast carrier capture by a single InAs nanodot.

    • Tyler L. Cocker
    • , Vedran Jelic
    •  & Frank A. Hegmann

Browse broader subjects

Browse Imaging techniques across other nature.com journals