Results 1 to 10 of about 1,371,529 (165)
Halftoning for high-contrast imaging [PDF]
EPJ Web of Conferences, 2011 High-contrast instruments, such as SPHERE (upcoming planet finder instrument for the ESO-VLT), or EPICS (planet hunter project for the future E-ELT), will require customized components with spatially varying transmission (e.g.
Kasper M. +5 more
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MEMS Deformable Mirrors for Space-Based High-Contrast Imaging [PDF]
Micromachines, 2019 Micro-Electro-Mechanical Systems (MEMS) Deformable Mirrors (DMs) enable precise wavefront control for optical systems. This technology can be used to meet the extreme wavefront control requirements for high contrast imaging of exoplanets with coronagraph
Rachel E. Morgan +19 more
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Planar photonic chips with tailored angular transmission for high-contrast-imaging devices [PDF]
Nature Communications, 2021 The authors design a planar photonic chip with several multilayers of photonic band gaps and a region of dielectric nanoparticles for tailored angular transmission. They use it as sample substrate for high-contrast darkfield and total internal reflection
Yan Kuai +5 more
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NIR-II bioluminescence for in vivo high contrast imaging and in situ ATP-mediated metastases tracing [PDF]
Nature Communications, 2020 Conventional bioluminescence imaging usually operates in the visible region and its performance is limited by strong tissue absorption and scattering. Here, the authors present bioluminescence probes (BPs) with emission in the second near infrared (NIR ...
Lingfei Lu +8 more
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Adaptive Optics in High-Contrast Imaging [PDF]
SPIE Proceedings, 2016 The development of adaptive optics (AO) played a major role in modern astronomy over the last three decades. By compensating for the atmospheric turbulence, these systems enable to reach the diffraction limit on large telescopes. In this review, we will focus on high contrast applications of adaptive optics, namely, imaging the close vicinity of bright
Milli, Julien +4 more
openaire +4 more sources
Observations of circumstellar disks in scattered light with SPHERE at the VLT
Comptes Rendus. Physique, 2023 The technological developments initiated in the early 21$^{\rm st}$ century have led to the implementation of “planet finders” instruments on 8-m class telescopes which are in operation since 2014-2015. Such facilities are at the inception of significant
Boccaletti, Anthony
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High-contrast ultrafast imaging of the heart [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2014 Noninvasive ultrafast imaging of intrinsic waves such as electromechanical waves or remotely induced shear waves in elastography imaging techniques for human cardiac applications remains challenging. In this paper, we propose ultrafast imaging of the heart with adapted sector size by coherently compounding diverging waves emitted from a standard ...
Papadacci, Clement +4 more
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Angular Spectra Tunable Random Lasing for High Contrast Imaging
Advanced Physics Research, 2023 Random lasers with low spatial coherence have important potential applications in speckle‐free imaging and displaying. Here, an angular spectra (AS) tunable random laser is proposed through directly coupling a microcavity with a commercial optical fiber.
Huihui Shen +6 more
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Multi-Mode Compact Microscopy for High-Contrast and High-Resolution Imaging
Applied Sciences, 2022 We report a multi-mode compact microscope (MCM) for high-contrast and high-resolution imaging. The MCM consists of two LED illuminations, a magnification lens, a lift stage, and a housing with image processing and LED control boards. The MCM allows multi-
Kisoo Kim, Yeon Hwang, Jongbok Park
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Meta-Surface Slide for High-Contrast Dark-Field Imaging
Photonics, 2023 A label-free microscopy technology, dark-field microscopy, is widely used for providing high-contrast imaging for weakly scattering materials and unstained samples.
Jianan Shao +5 more
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