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Add Date: February 7, 2018, 11:49 pm & Duration: 00:02:41
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photodetector on silicon
Photodetector on Silicon. Heng Yang. Outline. Introduction Si Photodetector in 770 ~ 850 nm Range IR Schottky barrier photodetector. Introduction. Essentially - p-n diode under the reverse bias Operate in the photoconductive mode Main usage - for the conversion of the optical signal...
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Channel: SimplyInfo & Total View: 9929
what is photodiode, how does photodiode works, applications of photodiode, photodiode working, photodiode experiment, photodiode characteristics, photodiode circuit, photodiode array detector, photodiode amplifier, photodiode symbol, photodiode light sensor circuit, Photo Diode Explanation, Electronics, electronics engineering, ece, eee, basic engineering concepts, EDC, Electronic devices and circuits, learn engineering concepts, definitions, GATE, gate preparation, simplyinfo
Add Date: July 14, 2018, 6:22 am & Duration: 00:03:26
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What is Photodiode, How does Photodiode works, Applications of Photodiode, Electronic Devices and Circuits.
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Channel: HAMAMATSU PHOTONICS & Total View: 1594
Add Date: February 12, 2018, 9:31 am & Duration: 01:08:32
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The ability of an SiPM to detect single photons is due to its very high internal gain. The goals of this presentation are for you to:
1) develop a strong theoretical understanding of how a SiPM functions;
2) become familiar with its key opto-electronic characteristics; and
3) understand the pros and cons of SiPMs. Some discussion of which applications could benefit from the use of SiPMs is included.
Learn more about our SiPM product line here: http://goo.gl/aBF1Cn
Slawomir S. Piatek, Ph.D., is a senior university lecturer of physics at New Jersey Institute of Technology. In his role as science consultant at Hamamatsu Corporation, he has developed a photonics training program for engineers and is involved in popularizing SiPM as a novel photodetector by writing and lecturing about the device.
This presentation was originally webcast by Photonics Media on January 11, 2017.
Channel: J2G29 & Total View: 28164
Add Date: December 3, 2012, 5:17 am & Duration: 00:03:32
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A brief tutorial on how an LED can be used as a Light Sensor, or Photodiode.
This is a demonstration Tutorial, just to show what how certain LED's behave when exposed to white light.
Catch the follow up tutorial where we'll show you how an LED can be interfaced with an Arduino system. http://www.youtube.com/watch?v=8eiChgAPGNs&feature=g-upl
Channel: Backyard Amusement & Total View: 25069
Add Date: August 7, 2016, 12:17 pm & Duration: 00:08:15
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A quick comparison of the response times from the above mentioned devices.
Channel: intrigano & Total View: 1254
Scintillation, Semiconductor detectors, subatomic physics, Particle Physics, physics of nuclei and particles, nuclei, particles, atom, accelerate particles, high energies, electromagnetic interactions, strong interactions, mass of objects, Higgs boson, boson, astrophysics, nuclear physics, accelerators and detectors, matter, Dark Matter, Dark Energy, Matter and forces, measuring and counting, Electromagnetic interactions, Hadrons, Electro-weak interactions, space-time
Add Date: November 14, 2017, 6:14 am & Duration: 00:07:07
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About this course: This course introduces you to subatomic physics, i.e. the physics of nuclei and particles. More specifically, the following questions are addressed: - What are the concepts of particle physics and how are they implemented? - What are the properties of atomic nuclei and how can one use them? - How does one accelerate and detect particles and measure their properties? - What does one learn from particle reactions at high energies and particle decays? - How do electromagnetic interactions work and how can one use them? - How do strong interactions work and why are they difficult to understand? - How do weak interactions work and why are they so special? - What is the mass of objects at the subatomic level and how does the Higgs boson intervene? - How does one search for new phenomena beyond the known ones? - What can one learn from particle physics concerning astrophysics and the Universe as a whole? The course is structured in eight modules. Following the first one which introduces our subject, the modules 2 (nuclear physics) and 3 (accelerators and detectors) are rather self contained and can be studied separately. The modules 4 to 6 go into more depth about matter and forces as described by the standard model of particle physics. Module 7...
Channel: PhotonicsOnline & Total View: 564
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Add Date: May 6, 2014, 2:23 pm & Duration: 00:02:48
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Excelitas and Qioptiq have joined together to provide custom optics manufacturing and a wide array of sensor offerings for various applications. In this video, Craig Taylor of Qioptiq introduces us to the first commercially available 12 micron pixel camera core, and Denis Boudreau of Excelitas shows us a new silicon PIN quadrant detector for laser spot tracking, munitions guidance, laser seeker heads, and semi-active laser sensor applications.
Channel: Vijayan T & Total View: 1894
Add Date: March 10, 2016, 9:18 am & Duration: 00:06:43
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I have explained the way to convert light intensity into voltage and measure it. Light to volt converter ATSL254R-LF has been used here
The beginning part is simple and costs $35.
In the third part, I wanted to see the interference behavior in Mach-Zehnder interferometer. But since my setup is not very precise, I couldn’t get good observation on it. I will try next time with better method than this.
Channel: Qpage & Total View: 119136
Add Date: June 14, 2013, 10:02 pm & Duration: 00:02:02
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A Photodiode is a type of photo detector capable of converting light into either current or voltage, depending upon the mode of operation.The common, traditional solar cell used to generate electric solar power is a large area photo diode.
Channel: Peter Beyersdorf & Total View: 17189
Add Date: June 20, 2014, 11:08 pm & Duration: 00:01:55
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A look at how various photodetector characteristics affect optical measurements. This is a video sample from the eBook "Laboratory Optics: A practical guide to working in a laser optics lab".
Channel: IntelResearchLabs & Total View: 2968
Add Date: December 10, 2008, 10:37 am & Duration: 00:02:54
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Intel researcher Yimin Kang talks about silicon photonics avalanche photodetector and possible applications.
Channel: Antonio Paladino & Total View: 695
Add Date: November 12, 2016, 4:44 am & Duration: 00:03:09
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Forward and Backward modules production for the VerteX Detector of the Belle II experiment in Japan, where studies on CP violation will be conducted and hints for New Physics will be searched.
Belle II is a high energy physics experiment now under realisation at the KEK Laboratory located in Tsukuba, Japan, where the new SuperKEKB asymmetric electron-positron collider will produce an unprecedented rate of collisions every second.
The very high rate of events produced by this collider leads to the challenging task of detect all the relevant events produced during the electron-positron collisions. For this purpose the Belle II detector, an upgrade of the old Belle detector operating at the old machine KEKB, has been designed and is now under construction.
Among all the sub-detectors that compose the Belle II detector, the closest one to the interaction point is the VerteX Detector (VXD). The VXD is made by the PiXel Detector (PXD), realised with two layers of DEPFET silicon pixel detectors, and the Silicon Vertex Detector (SVD), realised with four layers of double sided silicon strip detectors. The VXD is fundamental to reconstruct the trajectories of particles that lives around one trillionth of a second and to find the point...
Channel: FOSCO CONNECT & Total View: 50428
Add Date: June 28, 2012, 4:06 pm & Duration: 00:03:35
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One limitation of the regular p-i-n photodiode is the lack of internal gain - an incoming photon produces only one electron-hole pair. Low-light applications require detectors with internal gain to boost the signal above the noise floor of electronics and signal processors.
APDs can be thought of as photodetectors that provide a built-in first stage of gain through avalanche multiplication.
By applying a high reverse bias voltage, typically 100-200 V in silicon, APDs show an internal current gain effect, around 100, due to impact ionization, also called avalanche effect. However, some silicon APDs employ alternative doping techniques compared to traditional APDs that allow greater voltage to be applied, greater than 1,500 V, before breakdown is reached and hence a greater operating gain, greater than 1000.
In general, the higher the reverse voltage the higher the gain.
Most commonly available APDs are made from silicon and use a so called "reach through" structure where light enters from the N-side of the silicon. The top picture shows the structure of a typical Reach-Through Avalanche Photodiode, also called RAPD.
Channel: nptelhrd & Total View: 16656
Add Date: September 21, 2014, 9:39 pm & Duration: 00:48:07
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Electronic materials, devices, and fabrication by Prof S. Parasuraman,Department of Metallurgy and Material Science,IIT Madras.For more details on NPTEL visit http://nptel.ac.in
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Add Date: July 4, 2018, 9:35 am & Duration: 00:10:41
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Photosensors or photodetectors are sensors of light or other electromagnetic energy1 A photo detector has a p–n junction that converts light photons into current The junction is covered by an illumination window, usually having an anti-reflective coating The absorbed photons make electron-hole pairs in the depletion region Photodiodes and photo transistors are a few examples of photo detectors Solar cells similarly absorb light and turn it into energy
37 Graphene/silicon photodetectors
4 Frequency range
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7 External links
Photodetectors may be classified by their mechanism for detection:234
Photoemission: Photons cause electrons to transition from the conduction band of a material to free electrons in a vacuum or gas
Photoelectric: Photons cause electrons to transition from the valence band to the conduction band of a semiconductor
Photovoltaic: Photons cause a voltage to develop across a depletion region Photodetector
Click for more; http://www.turkaramamotoru.com/en/photodetector-26767.html
Channel: vk2zay & Total View: 16480
Add Date: June 13, 2011, 7:49 am & Duration: 00:06:10
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More progress on gamma photon detection using junkbox photodiodes.
Channel: nptelhrd & Total View: 8791
Add Date: October 4, 2013, 3:20 am & Duration: 00:42:55
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Semiconductor Optoelectronics by Prof. M. R. Shenoy, Department of Physics, IIT Delhi. For more details on NPTEL visit http://nptel.iitm.ac.in
Channel: ScienceVio & Total View: 29
Add Date: March 6, 2018, 10:12 am & Duration: 00:00:49
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Online proton therapy monitoring: clinical test of a Silicon-photodetector-based in-beam PET. Veronica Ferrero et al (2018), Scientific Reports http://doi.org/10.1038/s41598-018-22325-6
Particle therapy exploits the energy deposition pattern of hadron beams. The narrow Bragg Peak at the end of range is a major advantage but range uncertainties can cause severe damage and require online verification to maximise the effectiveness in clinics. In-beam Positron Emission Tomography (PET) is a non-invasive, promising in-vivo technique, which consists in the measurement of the β+ activity induced by beam-tissue interactions during treatment, and presents the highest correlation of the measured activity distribution with the deposited dose, since it is not much influenced by biological washout. Here we report the first clinical results obtained with a state-of-the-art in-beam PET scanner, with on-the-fly reconstruction of the activity distribution during irradiation. An automated time-resolved quantitative analysis was tested on a lacrimal gland carcinoma case, monitored during two consecutive treatment sessions. The 3D activity map was reconstructed every 10 s, with an average delay between beam delivery and image availability of about 6 s. The correlation coefficient of...
Channel: BULLAKI & Total View: 2457
Add Date: November 11, 2018, 1:33 pm & Duration: 00:33:12
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Henry J. Snaith is Professor of Physics in the Clarendon Laboratory at the University of Oxford and Fellow of the Royal Society. He has pioneered the field of perovskite solar cells and published hundreds of papers. He is founder and CSO of Oxford PV, which holds the largest perovskite patent portfolio worldwide and focuses on developing and commercialising perovskite PV technology. In this interview, he discusses the present status and future prospects of perovskite PV.
Download article from the Scientific Video Protocols website: http://scivpro.com/manuscript/10_32386_scivpro_000004/
Scientific Video Protocols is the first no-fee and full open-access peer-reviewed video journal publishing in 4k cinematic quality.
Contact us for submissions: http://scivpro.com/submit/
Channel: Said Abd El-Monem & Total View: 3911
Photodiode Array Spectrophotometer, Diode array, photodiode, spectrophotometer, scan, spectrum, spectroscopy, polychromatic, monochromatic, Beer's Law, Beer-Lambert's law, molecular absorption, emission
Add Date: October 9, 2017, 5:45 am & Duration: 00:00:37
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Edited from original video
UV/VIS Spectrophotometer – Precise measurements thanks to FastTrack technology
Original Video by METTLER TOLEDO Laboratory
Channel: Michael D. & Total View: 1101
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Add Date: December 22, 2013, 12:12 am & Duration: 00:02:25
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A silicon PIN diode counter is being tested with a Sr90-source
Channel: IntelResearchLabs & Total View: 1713
Add Date: December 10, 2008, 11:19 am & Duration: 00:03:52
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Intel Fellow Mario Paniccia discusses the recent advances in silicon photonics research - the avalanche photodetector
Channel: Lewis Loflin & Total View: 35952
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Add Date: January 10, 2016, 9:06 pm & Duration: 00:12:15
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Introduction to photo diode operation and use with transistors.
Channel: ChipDipvideo & Total View: 4536
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Add Date: April 30, 2012, 4:22 pm & Duration: 00:05:58
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Photodetector and Its Features. Simple Connection Circuit A photodetector is a semiconductor device which records optical radiation and converts an optical signal at the input into an electrical signal at the output of a photodetector.A photodetector is designed for receiving remote control commands in the infrared band.The structural circuit of a photodetector includes a photodiode and an integrated chip. The latter performs a function of automatic regulation of the gain level of commands received by an infrared photodiode. The chip and the photodiode have a screen, many structures - external, metal.Housings of modern products of such series as SFH and TSSOP are made of dark plastic, which is a high transparency light filter for receiving infrared radiation. In many appliance designs a filter is installed at the front of the appliance housing or has none, as the photodiode itself has originally been produced of black plastic.Let's have a look at a simple connection circuit including a photodetector, which, for example, in the future can come in handy for testing remote controls, often used to work with a variety of appliances.Let's take a common photodetector. It has three pins:red positive side, connected to a regulated 5Voutput and mass (total).The first option is...