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A protective cover glass is attached on top of the CCD sensor. Since CW laser and nanosecond laser have a long coherence length, the interference of the reflection of the CCD light-receiving surface and the reflection of the cover glass may cause interference fringes.
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Usually, two-dimensional (2-D) images are acquired by scanning a tightly focused laser beam, and a 3-D map is produced by combining the multiple 2-D images taken at different target depths. These imaging methodologies have shown high resolution along the longitudinal directions, as well as superior optical sectioning along the axial direction.
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Super-resolution fluorescence microscopy, specifically stochastic reconstruction microscopy (STORM), and atomic force microscopy (AFM) were used to image the self-assembly processes of the peptide surfactant I3K. The peptide surfactants self-assembled into giant helical fibrils with diameters between 5 and 10 nm with significant helical twisting.
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First results using a new near-infrared 1% narrow-band filter in the GTC 10.4m telescope to detect galaxies at the dawn of the universe ... Optical design of imaging and spectrograph for 4m telescope in China Paper 10702-76 ... Sky-limited photometry with InGaAs sensors: on-sky validation and wide-field imaging applications Paper 10702-133 ...
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Detecting gases with light: A review of optical gas sensor technologies Article in Sensor Review 35(2):133-140 March 2015 with 617 Reads How we measure "reads"
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A composite glass/plastic ophthalmic lens is disclosed. The lens consists of a thin layer of glass, preferably photochromic, adhered to the front of a plastic layer, by a highly elastic adhesive. The rear surface of the glass has a different radius than the front surface of the plastic so that the space between the lenses forms a tapered gap which is filled by the elastic adhesive.
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Usually, two-dimensional (2-D) images are acquired by scanning a tightly focused laser beam, and a 3-D map is produced by combining the multiple 2-D images taken at different target depths. These imaging methodologies have shown high resolution along the longitudinal directions, as well as superior optical sectioning along the axial direction.
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Electro-optical systems have matured and are about to burst out in a huge variety of new applications, whether as sensors or guidance systems. It is not easy to clearly determine the exact path which development will follow, but one thing is very clear - electro-optical systems are on the rise. Further Reading: Kopp C.,
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A CVD single crystal diamond material suitable for use in, or as, an optical device or element. It is suitable for use in a wide range of optical applications such as, for example, optical windows, laser windows, optical reflectors, optical refractors and gratings, and etalons. The CVD diamond material is produced by a CVD method in the presence of a controlled low level of nitrogen to control ...
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The new Physica MCR rheometer series will be presented by Anton Paar (Hall 10, H59) including special temperature control systems, which are optimized for the rheological characterization of polymers. The company says that these temperature control systems enable rapid and virtually gradient-free heating and cooling from 150C to +1000C.
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PIGs Speed Estimated with Pressure Transducers and Hall Effect Sensor: An Industrial Application of Sensors to Validate a Testing Laboratory G. Lima 1, V. Freitas 1, R. Arajo 2, A. Maitelli 2, A. Salazar 2 1 Federal Institute of Rio Grande do Norte, Rio Grande do Norte, Brazil 2 Federal University of Rio Grande do Norte-UFRN 2, Rio Grande ...
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We report on optical fiber hydrogen sensors based on absorption changes of evanescent fields caused by a Pd or Pd/Au alloy thin film. The sensor consists of a small piece of standard single-mode ...
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Photography is the art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.It is employed in many fields of science, manufacturing (e.g., photolithography), and business, as well as its more direct uses for art ...
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The filtration efficiency of CNTs-filter was higher than the HEPA filter standard. The pressure drop of saturation state was only 2 times higher than that of initial state, which is far less than glass fiber filter. In addition, the quality factor at saturation stage was improved due
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This paper is a review of optical methods for online nondestructive food quality monitoring. The key spectral areas are the visual and near-infrared wavelengths. We have collected the information of over 260 papers published mainly during the last 20 years. Many of them use an analysis method called chemometrics which is shortly described in the paper. The main goal of this paper is to provide ...
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The function of a spectrograph is to disperse the captured light into a certain continuous spectral range. To achieve this purpose, most of the spectrographs in HSI systems include optical devices, such as prism, diffraction grating, and electronically controlled liquid crystal tunable filters or acoustooptic tunable filter.
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Due to the ongoing improvement in nanostructuring technology, ultrathin metallic nanofilms have recently gained substantial attention in plasmonics, e.g. as
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We propose a slim optical fingerprint sensor for fake fingerprint detection on mobile environment. The sensor proposed in this paper is compact size and slim thickness. Also, it can be used by only the power of smart phone without battery or external power. This sensor has a new lens design and optical path to minimize distortion.
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Enhanced Infrared Image Processing for Impacted Carbon/Glass Fiber-Reinforced Composite Evaluation H. Zhang 1 7, N. Avdelidis 2 19, A. Osman 3 15, C. Ibarra-Castanedo 1 47, S. Sfarra 4 17, H. Fernandes 5 7, T. Matikas 6 4, X. Maldague 1 85 1 Department of Electrical and Computer Engineering; Laval University 110, Quebec City, Quebec, Canada
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A high speed single substrate drive was used for the coating runs. The optical measurement was done with a high resolution OMS 3000 monitoring system. Two sixfold quartz crystal sensors were used to control the deposition rates of the three high volume electron beam guns.
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Its long been suspected that unchecked rivalry is the reason why LG and Samsung won"t give the time of day to the others supported dynamic metadata HDR format. However, in an interview with AVForums, LG draws back the curtain and reveals there may be more to
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A static test loop consisting of the pump, ultrasonic flow sensor and pressure sensors was used to obtain the pump characteristics at different rotational speeds ranging from 23000 to 32000 rpm. A water glycerol mixture with a dynamic viscosity of 3.4 mPa.s was selected as working fluid.
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Publications, World Academy of Science, Engineering and Technology. Authors: Sharil Tumin, Sylvia Encheva Abstract: Centrally controlled authentication and authorization services can provide enterprise with an increase in security, more flexible access control solutions and an increased users" trust.
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