focal plane
Transmittance Measurement of the Nonplanar Optical Based on Focal Plane Array Camera
... Aiming to solve the problem that it is difficult to accurately measure UV cut-off transmittance of xenon quartz glass by using present spectrophotometer in China SG III project. Through the analysis, we believe that its ...
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Ultraviolet Detectors and Focal Plane Array Imagers Based on AlxGa1-xN P-I-N Photodiodes
... as at the corresponding metal pads of the silicon ROIC. An ultra-high vacuum (UHV) deposition system, which employs effusion cells, was then used to precisely deposit a uniform array of indium bumps having thickness 5-10 ...
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Abstract: A focal plane array (FPA) detector was used for hyperspectral imaging in the infrared
... Abstract: A focal plane array (FPA) detector was used for hyperspectral imaging in the infrared (IR) spectral region using thermal and synchrotron light sources. FPA Fourier-transform IR (FTIR) imaging ...
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Focal-plane wavefront sensing with the vector-Apodizing Phase Plate
... In this paper we discussed only FPWFS for vAPPs that gen- erate asymmetric dark holes. But FPWFS with pupil-plane coro- nagraphs that create symmetric dark holes such as the 360 ◦ vAPP (Otten et al. 2014) and the ...
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Imaging Polarimetry with Polarization-Sensitive Focal Plane Arrays
... Most high precision polarimeters use some elements from all of the aforementioned mod- ulation schemes. For example, the state of the art polarimeters in the Gemini Planet Imager (Macintosh et al., 2006) and the ...
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Focal plane model for flat refractive geometry
... Equation (21) is identical to the magnification of a sin- gle thin lens [11]. However, Eq. (20) is different. This leads to the important conclusion that, from the perspective of the camera, the magnification of the ...
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Fast Adaptive Nonuniformity Correction for Infrared Focal-Plane Array Detectors
... shown through the simulations that the performance of the adaptive NUC algorithm can be improved drastically by us- ing smaller averaging window sizes, at least for normal spa- tial nois[r] ...
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Visual Sensors for Focal Plane Computation of Image Features
... offsets from dirty optics or circuit failure can increasingly impair performance. \Vhile one technique for reducing the effect of fabrication offsets is to increase the si[r] ...
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CO2 Laser Cutting of Thermoplastic Material - A Review
... and focal plane position as process input parameters and kerf geometry dimensions such as top and bottom kerf width, ratio of the upper kerf to lower kerf, upper heat affected zone (HAZ) and surface ...
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A new spectrometer using multiple gratings with a two dimensional charge coupled diode array detector
... In this work, we have improved the method by using a CCD array detector to measure the optical signal in the entire spectral range without scanning the wavelength window dur- ing the operation. Instead of using a single ...
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Low resolution vision in a velvet worm (Onychophora)
... In any case, the position and organization of the retina alone rule out high acuity vision in E. rowelli. The rhabdomeric layer (the site of phototransduction) fills the whole eye chamber, and our calculations for the ...
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Manuscript Title & Authors
... a) Camera System: The latest camera system uses focal plane array cameras without cooling and requires less maintenance. Image processing techniques are used and this sy[r] ...
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Quasi Optical Effects of Non-Ionizing Radiation Inside Pregnant Woman Abdomen
... the fundamental and next higher mode, respectively. Peak value of |E| and |H| and Specific Absorption Rate averaged over 1-g of tissue (1-g SAR) induced inside the pregnant woman abdomen model are found to be 13.21 V/m, ...
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Metal silicide/poly Si Schottky diodes for uncooled microbolometers
... (IR) focal plane arrays (FPAs), the ones based on Si-on-insulator diodes as temperature sensors, whose format has reached 2 megapixels with a noise equivalent temperature difference (NETD) of 60 mK at the ...
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ESO Spectroscopic Facility
... corrected focal plane, combined with a ∼ 160 micron/arcsecond plate scale, is very comfortable for installing fibre ...the focal plane can be reached by three ...
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Mass transfer in the Earth’s interior: fluid-melt interaction in aluminosilicate–C–O–H–N systems at high pressure and temperature under oxidizing conditions
... The Raman and infrared transmission spectra include contributions from the diamond anvils. This background signal was eliminated in the FTIR spectra by normalizing to those of an empty diamond cell at the same ...
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Quantitative thermal imaging using single-pixel Si APD and MEMS mirror
... approach commonly used in industry is that of rotating mirror scanners which rapidly move the measurement FOV across the target in 1-dimension, and are particularly suited to moving targets, such as on a conveyor belt or ...
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First radioactive beams at ACCULINNA-2 facility and first proposed experiment
... multipoles (M1-M5) and 2 steering magnets (ST1-ST2). Projectile fragments are produced at focal plane F1 where thick rotating RIB-production target is installed. Secondary ions are separated in flight by ...
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The NIKA2 large field of view millimetre continuum camera for the 30 m IRAM telescope
... Context. Millimetre-wave continuum astronomy is today an indispensable tool for both general astrophysics studies (e.g. star forma- tion, nearby galaxies) and cosmology (e.g. cosmic microwave background and high-redshift ...
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Optical trapping: optical interferometric metrology and nanophotonics
... In the first two sections, I will give an overview of the LG beam modes and its applications. In the third section, two techniques used to generate a LG beam from a Gaussian beam are described. One of the techniques is ...
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