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FEATURES OF CONSTRUCTION REMOTE SENSING IMAGING SPECTROMETERS FROM SPACE
Published 2015-04-01“…In article factors influencing quality of the Earth image received with imaging spectrometers are presented: height of an orbit of a spacecraft, atmosphere, characteristics of the optical scheme, type of dispersive element and a photodetector. Results of study of influence of the optical system parameters of a video spectrometer of factors are presented taking into account requirements and restrictions brought by various links of an optoelectronic path of the device.…”
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42
Countering detector manipulation attacks in quantum communication through detector self-testing
Published 2025-01-01“…We experimentally demonstrate this countermeasure with a typical InGaAs avalanche photodetector, but the scheme can be easily implemented with any single photon detector.…”
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43
OCC-ID: New Broadcasting Service-Based Cloud Model and Image Sensor Communications
Published 2016-06-01“…The decoded operation from emitting light at the receiver in IEEE 802.15.7 is mainly based on the photodetector. However, with the development of image sensors (matrix of photodiodes) on smart devices, the amendment of IEEE 802.15.7 specification is considered. …”
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44
Numerical approach to compound quantum repeater scheme with coherent states
Published 2024-02-01“…Namely, we calculate photodetector click probabilities and fidelity for various sets of decoherence parameters. …”
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45
Narrowband, Visible-Blind UV-A Sensor Based on a Mg0.52Zn0.48O Film Deposited by Radio-Frequency Sputtering Using a ZnO-Mg Composite Target
Published 2014-01-01“…A narrowband, visible-blind ultraviolet photodetector (PD) for UV-A is fabricated using a Mg0.52Zn0.48O film that is formed on a quartz substrate by a radio-frequency sputtering technique using a ZnO-Mg composite target. …”
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46
Laser Radar System Based on Lightweight Diffractive Lens Receiver System
Published 2025-01-01“…Combined with the single photodetector, the designed laser radar system can simultaneously achieve measurements at near-field distances of 6.0 m, 9.9 m, and 16.1 m and far-field distances of 851.2 m.…”
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47
Picosecond Photovoltaic Response in Tilted Lanthanum Doped Manganite Films
Published 2013-01-01“…These results should open a route for the application of lanthanum doped manganite as an ultrafast photodetector material.…”
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48
Features of circuitry of acousto-optic laser measuring systems for controlling three-coordinate (3D) movements of products and equipment elements. Part 1.
Published 2020-11-01“…The paper considers the possibilities of using a prismatic optical scheme, which makes it possible to use a one-axis (1D) AO modulator to control two-coordinate (2D) displacements Δl x , Δl y of a laser beam, a multi-aperture AO modulator, a fiber photodetector and other units. …”
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49
Nantenna for Standard 1550 nm Optical Communication Systems
Published 2016-01-01“…The detection of light frequency using nanooptical antennas may possibly become a good competitor to the semiconductor based photodetector because of the simplicity of integration, cost, and inherent capability to detect the phase and amplitude instead of power only. …”
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50
Experimental Determination of Effective Minority Carrier Lifetime in HgCdTe Photovoltaic Detectors Using Optical and Electrical Methods
Published 2015-01-01“…This paper presents experiment measurements of minority carrier lifetime using three different methods including modified open-circuit voltage decay (PIOCVD) method, small parallel resistance (SPR) method, and pulse recovery technique (PRT) on pn junction photodiode of the HgCdTe photodetector array. The measurements are done at the temperature of operation near 77 K. …”
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51
Analysis of Melanin Concentration on Reflective Pulse Oximetry Using Monte Carlo Simulations
Published 2025-01-01“…SpO2 estimation error was minimal at a distance of 4 mm to 5 mm between light source and photodetector of a reflective pulse oximeter. We conclude that skin tone-adapted calibration should be applied to make reflective pulse oximeter applicable to any human, independent of skin pigmentation.…”
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52
The effect of uniaxial compressive and tensile strains on the structural, dynamical, electronic, and optical properties of ZrCl2 monolayer: Ab-initio calculations
Published 2025-06-01“…Based on the result of the optical properties, a ZrCl2 ML is expected to potentially be a candidate for optoelectronic applications, such as an infrared photodetector.…”
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53
13 µm cutoff InAs/GaSb type-II superlattice nBn detectors with high quantum efficiency grown by MOCVD
Published 2025-01-01“…At 77 K and −0.1 V, the photodetector showed a dark current density of 2.2 × 10−2 A cm−2 and a 100% cutoff wavelength of 13 µm. …”
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54
Damage Identification by Using a Self-Synchronizing Multipoint Laser Doppler Vibrometer
Published 2015-01-01“…The interference signal containing synchronized temporal vibration information of multiple spatial points is captured by a single photodetector and can be retrieved in a very short period. …”
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55
Profiling the Properties of SILAR Synthesized MnSe Films as Potential Material for Absorber Layer of Thin Film Solar Cells
Published 2025-01-01“…The ability to control these properties by varying TEA concentration enhances the material's versatility for applications beyond photovoltaics, including optoelectronic and photodetector devices.…”
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56
Two-Step Facile Preparation of 2D MoS2/ZnO Nanocomposite p-n Junctions with Enhanced Photoelectric Performance
Published 2021-01-01“…Both p-n and n-p heterojunctions of ZnO-MoS2 have been fabricated in order to understand the performance of electron and hole transport properties in solar cells and a self-powered photodetector system. Atomically thin 2-dimensional (2D) MoS2 was prepared by using a spin coating method with controlled process times, whereas ZnO nanowires were prepared by using a plasma sputtering deposition technique. …”
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57
Power and data simultaneous transmission using double-clad fibers towards 6G
Published 2025-02-01“…The PoF key components of the remote antenna unit (RAU), such as the photodetector and RF amplifier, are optically powered by using PoF technology. …”
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58
Ultra‐Broad Emission Copper Halide Scintillator‐Based X‐Ray Imager
Published 2025-01-01“…Herein, a TPA2Cu2I4 (TPACI) copper halide scintillator with a unique ultra‐broad emission (FWHM > 240 nm) is developed, which shows universal compatibility with the peak response range of commercial photodetector. The optical properties characterization and mechanism analysis indicates that this ultra‐broad spectrum can be attributed to the dual self‐trapped exciton (STE) emission consisting of two emission bands. …”
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Field measurement of atmospheric CO₂ column abundance based on portable laser heterodyne radiometer
Published 2025-02-01“…Two beams of light are mixed on the photodetector to produce a heterodyne signal. To enhance performance, the radio frequency (RF) circuit system of the radiometer was thoroughly optimized, including adjustments to the filter bandwidth and the integration time of the lock-in amplifier. …”
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Versatile on-chip polarization-sensitive detection system for optical communication and artificial vision
Published 2025-02-01“…Conventional polarization-sensitive photodetection relies on a combination of polarizing optical elements and standard photodetectors, which requires a substantial amount of space and manufacturing expenses. …”
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