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light intensification

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/20/2010 at 11:27
esen82 View Drop Down
Optics GrassHopper
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Hello friends
I am searching about 'intensification of light', but I couldnt find any clear explanation on the net and I thought it would be good to ask it here. If you share some knowledge, I wll be so happy.
 
Thanks in advance.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/20/2010 at 13:50
Roy Finn View Drop Down
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Not sure what the question is here.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/20/2010 at 16:22
cyborg View Drop Down
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I think he's asking about Night Vision. Or about the amplification of ambient, and artificial light for such.
 
Or it could be the building of a laser.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/08/2010 at 21:08
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Optics Apprentice
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Recently some scientists discovered tigers have light amplification ability.  Not like all other cats, but real amplification.  They can see in almost total darkness.  Figure out how they do it and you can buy anything you want.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/09/2010 at 09:26
Dale Clifford View Drop Down
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Pumping can be done in several ways. Amplified emf at the appropriate wavelength can "channeled" thru coated optical fibers to "focus" the emf at a specific pt. ( ex. gamma radiation on H nuclear from a regular fission process to produce fusion, or pumping solitons with lasers in communication ,). Or another is to gather the emf usually in the near IR range, run it thru the necessary signal processing software, and display it back on a screennot only amplified but enchanced using neural networks based on what the probable image would be).
Biological systems are much different , they are non-linear, and work on inhibition feedback that usually allows the strongest signals to be "processed" by the imaging centers of the brain. The advantages are very fast recovery, under a wide range of input intensities, not characteristics of linear systems.
Amplification in biological systems cannot occur in the nerve tracking part of the system, as its an all or nothing spike, it either fires the neuron or it doesn't. Whether the total amt. of cones or cylinders is higher in one species or another doesn't seem to affect this.
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/09/2010 at 09:43
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As always a fairly simple explanation Dale.  Also see the info below for new breakthroughs.  This should clear up many questions...............
 
 
 
NEW YORK - June 26, 2008 - Amplification Technologies Inc. (ATI, at www.amplificationtechnologies.com), a developer of advanced ultra-sensitive semiconductor detection technology, today announced its first commercially available product. ATI has successfully developed a Discrete Amplification Photon Detector (DAPD10C Series) designed for the detection of extremely low-level light signals. The DAPD10C Series is one of a next generation of solid-state photomultipliers being developed by ATI that are expected to replace vacuum tube-based photodetectors in critical medical imaging, biomedical, industrial, and research applications.

Photodetectors based on the company's Discrete Amplification (DA) technology will be targeted for various existing markets and applications and are expected to also open up new areas that are currently constrained by the limitations of vacuum tube-based photodetectors. The technology allows a level of application-specific customization and performance optimization not possible using traditional photomultiplier tube (PMT) vacuum tube technology or conventional arrays of Geiger-mode Avalanche Photodiode (APDs) such as Silicon photomultipliers (SiPMs). ATI's technology is flexible, and designed and patented to encompass detection of signals other than light. It could in principle be used to create new capabilities in sensing biological, chemical, and electrical signals.

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