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Longer titles found: Quantum well infrared photodetector (view)

searching for Photodetector 89 found (397 total)

Lead(II) sulfide (1,090 words) [view diff] no match in snippet view article

Lead(II) sulfide (also spelled sulphide) is an inorganic compound with the formula PbS. Galena is the principal ore and the most important compound of

Aluminium gallium arsenide (299 words) [view diff] exact match in snippet view article find links to article

arsenide region. An example of such a device is a quantum well infrared photodetector (QWIP). It is commonly used in GaAs-based red- and near-infra-red-emitting

Quantum dot (13,793 words) [view diff] exact match in snippet view article find links to article

near-field scanning optical microscopy (NSOM) imaging. Quantum dot photodetectors (QDPs) can be fabricated either via solution-processing, or from conventional

Slotted optical switch (218 words) [view diff] exact match in snippet view article find links to article

LED) and a photodetector (e.g. photodiode) mounted in a single package so that the photoemitter normally illuminates the photodetector, but an opaque

Solar-blind technology (786 words) [view diff] exact match in snippet view article find links to article

Caputo, D.; de Cesare, G.; Irrera, F.; Palma, F. (1996). "Solar-blind UV photodetectors for large area applications". IEEE Transactions on Electron Devices

Laser warning receiver (380 words) [view diff] exact match in snippet view article find links to article

jammer, etc. Detectors used in LWR are usually based on a semiconductor photodetector array, which is typically cryogenically or thermal-electric cooled.

Accelerator Neutrino Neutron Interaction Experiment (1,983 words) [view diff] exact match in snippet view article find links to article

By implementing early prototypes of LAPPDs (Large Area Picosecond Photodetector), high precision timing is possible. The suggested location for ANNIE

Forced Rayleigh scattering (606 words) [view diff] exact match in snippet view article find links to article

variation in n serves as a diffraction grating for the probe beam. A photodetector is used to measure the diffracted light, and after the pump beams are

Ilesanmi Adesida (957 words) [view diff] exact match in snippet view article find links to article

current photodetector - US Patent 5880482 Abstract". Archived from the original on 2011-06-12. Retrieved 2009-11-08. "Low dark current photodetector US 5880482

Herschel Space Observatory (3,746 words) [view diff] exact match in snippet view article find links to article

Retrieved 7 March 2009. "PACS – Photodetector Array Camera and Spectrometer" (PDF). Retrieved 29 September 2007. "The Photodetector Array Camera and Spectrometer

Optical heterodyne detection (3,644 words) [view diff] exact match in snippet view article find links to article

reflected from a target scene is focussed on a relatively inexpensive photodetector consisting of a single large physical pixel, while a different LO frequency

Potential applications of graphene (15,063 words) [view diff] exact match in snippet view article find links to article

promising for the development of high detectivity photodetectors. Recently, a graphene/si Schottky photodetector with record-fast response speed (< 25 ns) from

Convection–diffusion equation (2,738 words) [view diff] exact match in snippet view article find links to article

Hu, Yue (2015). "Simulation of a partially depleted absorber (PDA) photodetector". Optics Express. 23 (16): 20402–20417. Bibcode:2015OExpr..2320402H

Laser speckle contrast imaging (2,316 words) [view diff] exact match in snippet view article find links to article

illumination of a rough surface through a coherent light source. Then using photodetectors such as CCD camera or CMOS sensors imaging the resulting laser speckle

Nanophotonic scintillators (492 words) [view diff] exact match in snippet view article find links to article

and thus improve the amount of signal that is transmitted towards the photodetector. Thus, the coating improve the quantum yield of the scintillator, that

Quantum optical coherence tomography (1,395 words) [view diff] exact match in snippet view article find links to article

interferometer that incorporates two photodetectors rather than a second-order interferometer with a single photodetector. The primary advantage of Q-OCT over

Semimetal (1,097 words) [view diff] exact match in snippet view article find links to article

"Theoretical study of a potential low-noise semimetal-based avalanche photodetector". IEEE Journal of Quantum Electronics. 28 (2): 507–513. Bibcode:1992IJQE

Digital holographic microscopy (5,420 words) [view diff] exact match in snippet view article find links to article

information. The information is recorded on a digital image sensor or by a photodetector from which an image of the object is created (reconstructed) by a computer

Microphone (9,903 words) [view diff] exact match in snippet view article find links to article

modulated light is then transmitted over a second optical fiber to a photodetector, which transforms the intensity-modulated light into analog or digital

Caesium enneabromodibismuthate (426 words) [view diff] exact match in snippet view article find links to article

Stable Pb-Free Cs3Bi2Br9(1–x)I9x (0 ≤ x ≤ 1) Perovskite Nanocrystals for Photodetector Application". ACS Applied Nano Materials. 3 (11): 11107–11117. doi:10

Dielectric wireless receiver (499 words) [view diff] exact match in snippet view article find links to article

link provides complete electrical isolation between the air interface and the electronic circuitry, which is located only after the photodetector (PD).

Barcode reader (1,924 words) [view diff] exact match in snippet view article find links to article

5 Hz, ensuring that barcodes can be read at different orientations. Photodetector receives light through the optical system consisting of the mirror wheel

Double-slit experiment (8,687 words) [view diff] exact match in snippet view article find links to article

interfere, causing the photon to hit the photodetector on the right with probability one, and the photodetector on the bottom with probability zero. Blocking

Juerg Leuthold (1,684 words) [view diff] exact match in snippet view article find links to article

Alexandros; Leuthold, Juerg (2019-01-16). "Plasmonically Enhanced Graphene Photodetector Featuring 100 Gbit/s Data Reception, High Responsivity, and Compact

Platinum diselenide (1,534 words) [view diff] exact match in snippet view article find links to article

selenide HgPtSe3. Platinum diselenide can be utilized for boardband photodetector up to mid-infrared (MIR) region with stability in ambient condition

High-speed photography (6,514 words) [view diff] exact match in snippet view article find links to article

compensation lenses optically conjugate the mirror to the surface of a photodetector. For each frame formed on the film, one compensation lens is required

Abdulaziz Karimov (1,430 words) [view diff] exact match in snippet view article find links to article

characteristics of the double-barrier structure with a corrugated surface of the photodetector as well as sensitivity to the impurity region of the spectrum. In comparison

History of watches (5,918 words) [view diff] exact match in snippet view article find links to article

atoms absorb the light, reducing the output of the photodetector. The output of the photodetector is used as feedback in a phase locked loop circuit to

Photon Doppler velocimetry (597 words) [view diff] exact match in snippet view article find links to article

beat frequency is slow enough that it can be monitored with a simple photodetector and high speed oscilloscope. By recording the beat frequency over time

Cardiac monitoring (1,325 words) [view diff] exact match in snippet view article find links to article

emitting diode (LED) and detects the intensity of light reflected with the photodetector. Wearable optical heart rate monitors are less reliable than electrode-based

Haze (optics) (1,768 words) [view diff] exact match in snippet view article

sphere walls, is measured by a photodetector positioned at 90° from the entrance port. A baffle mounted between the photodetector and the entrance port prevents

Time-of-flight camera (4,757 words) [view diff] exact match in snippet view article find links to article

Microelectronic Circuits and Systems and TriDiCam. These cameras employ photodetectors with a fast electronic shutter. The depth resolution of ToF cameras

Hardware random number generator (3,296 words) [view diff] exact match in snippet view article find links to article

an unbalanced Mach-Zehnder interferometer. The noise is sampled by a photodetector; amplified spontaneous emission generators use spontaneous light emission

Optical neural network (1,761 words) [view diff] exact match in snippet view article find links to article

masks, light passing through the fabricated network can be read by a photodetector array of ten detectors, each representing a digit class ranging from

Transient photocurrent (329 words) [view diff] exact match in snippet view article find links to article

doi:10.1063/1.3177337. Guo, F. et al. A nanocomposite ultraviolet photodetector based on interfacial trap-controlled charge injection. Nat. Nanotechnol

10370 Hylonome (1,191 words) [view diff] exact match in snippet view article find links to article

data from Spitzer's Multiband Imaging Photometer (MIPS) and Herschel's Photodetector Array Camera and Spectrometer, gave a low albedo 0.051±0.030 and a diameter

Joseph Paul Robinson (2,455 words) [view diff] exact match in snippet view article find links to article

"Hyperspectral cytometry at the single-cell level using a 32-channel photodetector". Cytometry Part A. 81A (1): 35–44. doi:10.1002/cyto.a.21120. ISSN 1552-4930

Plasmonics (2,968 words) [view diff] exact match in snippet view article find links to article

converted into an electrical signal. This can be achieved by using a photodetector in the metal plane, or decoupling the surface plasmon into freely propagating

Vision chip (404 words) [view diff] exact match in snippet view article find links to article

Funatsu, K. Hara, T. Toyoda, J. Ohta & K. Kyuma, Variable-sensitivity photodetector of pn-np structure for optical neural networks, Japanese Journal of

Vikas Berry (610 words) [view diff] exact match in snippet view article find links to article

DNA-transistors. He has also developed nano-devices such as ultrafast detectors, photodetector, sodium-ion batteries, 3D printing gels, Raman enhancer, IR-sensor,

Neyer d-optimal test (618 words) [view diff] exact match in snippet view article find links to article

Sensory Threshold - how strong does the light have to be for this photodetector to sense it? Damage Threshold - how loud does the sound have to be in

Timeline of United States inventions (after 1991) (3,495 words) [view diff] exact match in snippet view article

circuit containing an array of pixel sensors, each pixel containing a photodetector and an active amplifier. Starting at the same point, they have to convert

Auger electron spectroscopy (4,117 words) [view diff] exact match in snippet view article find links to article

and Sputter-Deposited ITO Films for 1.55 μm Metal–Semiconductor–Metal Photodetector Applications". Journal of the Electrochemical Society. 154 (5): H336

Length measurement (3,428 words) [view diff] exact match in snippet view article find links to article

high vacuum enclosure, and the reflected electrons are collected as a photodetector image that is interpreted by a computer. These are not transit-time

Anthony E. Siegman (5,111 words) [view diff] exact match in snippet view article find links to article

and demodulation using a dual-mode fiber and a fast diffusion-driven photodetector," IEEE J. Lightwave Technol. LT-7, 1964 (December 1989). A. E. Siegman

Metal (11,444 words) [view diff] exact match in snippet view article find links to article

"Theoretical study of a potential low-noise semimetal-based avalanche photodetector". IEEE Journal of Quantum Electronics. 28 (2): 507–513. Bibcode:1992IJQE

C. N. R. Rao (4,732 words) [view diff] exact match in snippet view article find links to article

students Basant Chitara and L. S. Panchakarla, published a paper "Infrared photodetectors based on reduced graphene oxide and graphene nanoribbons" in the journal

Quantum cryptography (9,073 words) [view diff] exact match in snippet view article find links to article

quantum key distribution devices, one for Alice and one for Bob. These photodetectors are tuned to detect an incoming photon during a short window of only

Particle size analysis (2,423 words) [view diff] exact match in snippet view article find links to article

forward direction is focused by a lens onto a large array of concentric photodetector rings. The smaller the particle is, the larger the scattering angle

Ultrasound-modulated optical tomography (4,993 words) [view diff] exact match in snippet view article find links to article

with a single low-gain photodetector. This method leads to a 4 times SNR increase over more traditional high-gain photodetectors, such as photomultiplier

Quantum network (6,389 words) [view diff] exact match in snippet view article find links to article

Telecommunication lasers and parametric down-conversion combined with photodetectors can be used for quantum key distribution. In this case, the end nodes

Piezoresponse force microscopy (3,243 words) [view diff] exact match in snippet view article find links to article

Diagrams showing the effect of cantilever movement with the photodetector represented by the square with quadrants labelled A, B, C and D. Torsional bending

Laser ultrasonics (2,644 words) [view diff] exact match in snippet view article find links to article

change is detected and converted to an electric signal by a custom-built photodetector. This enables high sensitivity detection of ultrasound on rough surfaces

Bell test (7,116 words) [view diff] exact match in snippet view article find links to article

efficiency η {\displaystyle \eta } , defined as the probability that a photodetector detects a photon that arrives at it. Anupam Garg and N. David Mermin

LIGO (8,438 words) [view diff] exact match in snippet view article find links to article

coatings with lower mechanical loss. Because the final LIGO output photodetector is sensitive to phase, and not amplitude, it is possible to squeeze

Color television (11,620 words) [view diff] exact match in snippet view article find links to article

in it that caused a spot to scan across and down the image. A single photodetector behind the disk captured the image brightness at any given spot, which

Noninvasive glucose monitor (4,284 words) [view diff] exact match in snippet view article find links to article

technology that requires a light source to illuminate tissue and a photodetector to detect minute fluctuations in light intensity caused by changes in

Synthetic diamond (10,136 words) [view diff] exact match in snippet view article find links to article

De Jaeger, J C; Hochedez, J F (2008). "New developments on diamond photodetector for VUV Solar Observations". Semiconductor Science and Technology. 23

Frequency comb (4,248 words) [view diff] exact match in snippet view article find links to article

of Amplitude-to-Phase Conversion in a Modified Unitraveling Carrier Photodetector". IEEE Photonics Journal. 9 (2) 2682251. arXiv:1702.07732. Bibcode:2017IPhoJ

Optical coherence tomography (10,281 words) [view diff] exact match in snippet view article find links to article

swept source or tunable laser (SS), beamsplitter (BS), reference mirror (REF), sample (SMP), photodetector (PD), and digital signal processing (DSP)

Natalia M. Litchinitser (1,056 words) [view diff] exact match in snippet view article find links to article

could be used for fast data transmission. The detector makes use of a photodetector that is responsive to orbital angular momentum modes. Topological photonics

Laser beam profiler (5,739 words) [view diff] exact match in snippet view article find links to article

profilers generally fall into two classes: the first uses a simple photodetector behind an aperture which is scanned over the beam. The second class

Time-domain thermoreflectance (2,189 words) [view diff] exact match in snippet view article find links to article

of 10–50 μm. The reflected probe light is input to a high bandwidth photodetector. The output is fed into a lock-in amplifier whose reference signal has

Indium gallium zinc oxide (1,432 words) [view diff] exact match in snippet view article find links to article

Advancements in Gas Sensor, Logic Circuit, Biosensor, Neuromorphic Device, and Photodetector Technologies". Micromachines. 16 (2): 118. doi:10.3390/mi16020118. PMC 11857157

Dirk Englund (765 words) [view diff] exact match in snippet view article find links to article

memories in nitrogen-vacancy centers in diamond, graphene integration for photodetectors, optical accelerators for machine learning, and programmable photonic

Orly Yadid-Pecht (905 words) [view diff] exact match in snippet view article find links to article

simultaneously identify the location of the brightest pixel in a particular photodetector array. These sensors were created for star tracking, or monitoring laser

Jeffrey Elam (1,344 words) [view diff] exact match in snippet view article find links to article

manufacture large area MCPs and are being incorporated into large area photodetectors. The patent for fabricating the technology has been cited by more than

Quantum noise (3,746 words) [view diff] exact match in snippet view article find links to article

factor. That is the product of transmission window efficiency to our photodetector, and quantum efficiency. f s p {\displaystyle f_{sp}} is the spontaneous

Fiber Bragg grating (5,656 words) [view diff] exact match in snippet view article find links to article

filter with a predefined linear inclined frequency response, and a photodetector. Fiber Bragg gratings are created by "inscribing" or "writing" systematic

Specific quantity (1,163 words) [view diff] exact match in snippet view article find links to article

meter. Identical to electrical conductivity Specific detectivity of a photodetector Specific fuel consumption (disambiguation). Fuel consumption per unit

Graphene plasmonics (1,515 words) [view diff] exact match in snippet view article find links to article

great attention of the research community to exploit the graphene-based photodetectors/modulators. Plasmons are collective electron oscillations usually excited

Optogenetics (11,930 words) [view diff] exact match in snippet view article find links to article

GRIN lenses connected via optical fiber to an externally positioned photodetector and photostimulator. One of the main problems of optogenetics is that

Speckle variance optical coherence tomography (1,616 words) [view diff] exact match in snippet view article find links to article

beam splitter, forming an interference pattern that is sensed by a photodetector. In SD-OCT, the interference pattern is split into its frequency components

History of the LED (5,060 words) [view diff] exact match in snippet view article find links to article

p-n junction light emitter and an electrically isolated semiconductor photodetector. On August 8, 1962, Biard and Pittman filed a patent titled "Semiconductor

Maiken Mikkelsen (1,746 words) [view diff] exact match in snippet view article find links to article

(2016)). Demonstrated first ultrafast, spectrally-selective thermal photodetector. Utilized metasurfaces to create spectrally-selective perfect absorption

Sensors for arc welding (3,462 words) [view diff] exact match in snippet view article find links to article

capable to penetrate through the narrow-band optical filter to the photodetector. Therefore, appropriate screening against the welding process or the

Fred Wudl (1,995 words) [view diff] exact match in snippet view article find links to article

across the donor‐accepted rectifying heterojunction offers potential for photodetector and for solar cell applications. Wudl recently took part in studies

Wireless data center (2,098 words) [view diff] exact match in snippet view article find links to article

Positive-intrinsic-negative (PIN) or avalanche photodetectors (APDs) are the most common photodetectors used on FSOs. PINs are used in many contexts that

Tina Brower-Thomas (818 words) [view diff] exact match in snippet view article find links to article

Schematic of a room-temperature photodetector using semimetal bismuth nanowire arrays and graphene published by Brower-Thomas and colleagues

January 1973 (12,980 words) [view diff] exact match in snippet view article find links to article

telescope, a radiation detector, an astrophotometer, a magnetometer and a photodetector. The 431st and last episode of the NBC television western Bonanza, ending

Unil Perera (2,237 words) [view diff] exact match in snippet view article find links to article

(APL 104, 131106 (2014), type-II InAs/GaSb superlattice (T2SL) pBp photodetector (APL 103, 181110 (2013), GaAs and GaMnAs, GaAsSb, InGaAs (JAP 119, 105304

Metal–organic framework (22,769 words) [view diff] exact match in snippet view article find links to article

Cánovas, Enrique; Erbe, Artur (2020). "Demonstration of a Broadband Photodetector Based on a Two-Dimensional Metal–Organic Framework". Advanced Materials

Fluorescent glucose biosensor (7,448 words) [view diff] exact match in snippet view article find links to article

light, a filtered light source (in general, a laser), and a filtered photodetector (a CCD or a PMT). The information thus collected is then analysed with

MythBusters (2006 season) (3,312 words) [view diff] exact match in snippet view article

their effect on his peripheral vision. ...pointing another laser at the photodetector—another technique that Gin used once. Busted While the technique is

Photoconductance decay (1,402 words) [view diff] exact match in snippet view article find links to article

( t ) {\displaystyle G(t)} is the generation rate as measured by a photodetector. The generalised case can be used regardless of the wafer lifetime or

List of resistors (3,243 words) [view diff] exact match in snippet view article find links to article

Similarly, the resistance of a humistor varies with humidity. One sort of photodetector, the photoresistor, has a resistance which varies with illumination

Douglas Paul (2,006 words) [view diff] exact match in snippet view article find links to article

microfabricated the first Ge on Si single photon avalanche diode (SPAD) photodetector for operation in the short wave infrared before demonstrating the first

List of fellows of IEEE Electron Devices Society (69 words) [view diff] exact match in snippet view article find links to article

of high speed gallium arsenide integrated circuits and III-V alloy photodetectors. 1983 Jerry G. Fossum For contributions to the theory and technology

Welding inspection (10,247 words) [view diff] exact match in snippet view article find links to article

focus on specific regions of interest for detailed analysis. Weld Arc Photodetector: Provides reliable arc detection to support process monitoring Weld