Paper Collections for Fiber optic tapers (2018-2022)

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X-ray-based molecular sensing is control of x-ray source for improving the spatial resolution, and to shape the beams for line scans, point scans, multi-point or multi-line scans for approaches such as compressed sensing, use  X-RAY  focusing mirrors or Fiber Optic Tapers might be feasible to limit lateral resolution with this focusing approach. 

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Reference Citations:
Brian W. Pogue, Rongxiao Zhang, Xu Cao, Jeremy Mengyu Jia, Arthur Petusseau,
Petr Bruza, Sergei A. Vinogradov

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Lens-free microscopy (LFM) is new imaging technique that avoiding the application of the lens; instead its resolution is directly coupled with the pixel size. And several variations of LFM have fixed the resolution barrier imposed by the pixel size, such as fiber optic taper, multiangle illumination, multiheight, wavelength scanning, and synthetic aperture… 

The advantages of LFM is single-shot 3D imaging, cost-effectiveness, compactness and no space-bandwidth product limitation. 

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Reference Citations:
Shan Jiang, Meiling Guan, Jiamin Wu, Guocheng Fang, Xinzhu Xu, Dyong Jin, Zhen Liu, Kebin Shi, Fan Bai, Shu Wang, Peng Xi

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The receiver for the ground and airborne LADAR use non-imaging optical systems to provide optical gain ahead of the
detector. Figure 4 (left) shows a custom-built fiber optic taper that is used in the original ground LADAR.

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Reference Citations:
Barry Stann, John Dammann, Mark Giza, William Ruff

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Generally, the range of particle size measurements is limited by the diameter of the single fiber (13 μm) and FOV
of the image fiber (φ=1 mm) so that range-extending is a main optimization target in the future, which can be realized by
adopting an image fiber with high resolution or the amplification imaging method using a micro lens and fiber optic taper

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Reference Citations:
Pengfei Qi, Lie Lin, Rui Huang, Sicong Zhao, Haolin Tian,
et al.

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For hard X-ray detection upwards of 22 keV a “two-step” method for detection comprised of a scintillator, to
tranduce X-ray photons into secondary visible light photons, followed by optical imaging of the phosphor or scintillator
screen is employed. Figure 3 illustrates the concept of optically coupling scintillation material directly to the CCD sensor
via a fiber optic taper

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Reference Citations:
Justin Cooper, Adam Wise, Thomas Woodward, Antoine
Varagnat

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Updating the magnification ratio of fiber optic taper coupling the micro-channel plate (MCP) of the LW detectors to the APS sensors

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Reference Citations:
Tomoko Kawate, Toshihiro Tsuzuki, Toshifumi Shimizu,
Shinsuke Imada, Yukio Katsukawa, et al.

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Attached to the output of the image intensifier fiber optic taper is a CMOS camera used for image readout.
The CMOS chip will be mechanically and optically coupled to the taper using processes and procedures developed
for numerous space flight missions at UCB/SSL, most recently on ICON.10 The team is currently in the process
of performing a device selection trade study, and anticipates selection (as well as procurement) of a device for
development testing in Q1 of 2021.

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Reference Citations:
Kodi Rider, Thomas Immel, Eltahry Elghandour, Jason
Grillo, Nathan Darling, et al.

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A single input to multiple output optical concentrator is presented that can split a millimeter-scale input area into multiple
sections and concentrate each section into a separate output. The outputs are designed to have a high coupling efficiency
into a multimode fiber array or high-speed photodetector array, with individual output diameters in the range of 50um to
250um

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Reference Citations:
Christi K. Madsen*a,b

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In the field of low-light-level (LLL) detection and imaging, several novel digital vacuum optoelectronic devices like
intensified CCD (ICCD), intensified CMOS (ICMOS) and electron bombarded CMOS (EBCMOS) have emerged to
overcome the shortcoming of conventional direct-view image intensifiers[1]. Among them, the small size and weight and
power (SWaP) EBCMOS without microchannel plate and fiber optic tapercoupling can eliminate the complicated image
transfer chain[2]. In the EBCMOS structure unit, to excite photoelectric emission, gallium arsenide (GaAs) photocathodes
are usually used as the detection sensors because of the high quantum efficiency, low dark current, concentrated electron
emission angle and so on [3]

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Reference Citations:
Kaimin Zhang, Yijun Zhang, Jingzhi Zhang, Shiman Li,
Yunsheng Qian, et al.

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All intensifier tubes and connecting parts have been made to specifications and procured from ProxiVision GmbH. The
intensifier tube is sealed with a MgF2 window of 4 mm thickness with a “c-cut” orientation of the crystal, to minimize
polarization effects. The mechanical interface is provided by a ceramic mounting ring glued to the body with nonconductive structural epoxy adhesive. The “P46” anode is deposited on the output fiber optic flat on the back side of
which a fiber optic taper is mated. Figure 2 shows the exploded view of these items. In the case of EUI a 2k × 2k
subfield of the 3k × 3k pixel of this sensor with 10 microns pixel size is used and a fiber optic taper is required for rescaling the image by a factor 1.41/1, to match the useful size of 20 mm x 20 mm of the sensor. In the case of the Metis
camera, a de-magnification of 2/1 is necessary to map the active area over the 1k × 1k sensor with 15 micron pixel size.

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Reference Citations:
Udo Schühle, Luca Teriaca, Regina Aznar Cuadrado,
Klaus Heerlein, Michela Uslenghi, et al.

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The basic structure of an intensified camera is sketched in Figure 2. It consists of an image intensifier tube that is coupled to a solid-state array by means of a fiber optic taper or relay lenses. The signal amplification takes place in the image intensifier tube. Incoming photons are converted into photoelectrons at the photocathode on the inside surface of the input window.

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Reference Citations:
Stefan Keßler, José Pérez, Dov Steiner

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 The APS detectors will be coupled to the back end of the microchannel plate (MCP) intensifier by a 2:1 fiber optic taper. The MCP intensifier provides high efficiency and blindness to solar visible radiation such that no focal plane filters are needed. A filter wheel with an Al thin film, order sorting filter will be used to observe the Ne VII 46.5nm emission line. The MCP front faces will carry the selective photocathode coatings with CsI and/or KBr. The APS detectors will be cooled to below 45 deg C. To protect the photocathode and MCP, each detector assembly is equipped with a vacuum-tight or sealed door.

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Reference Citations:
Toshifumi Shimizu, Shinsuke Imada, Tomoko Kawate,
Kiyoshi Ichimoto, Yoshinori Suematsu, et al.