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13631 results about "Wave band" patented technology

Visible/near infrared image sensor

A MOS or CMOS sensor for high performance imaging in broad spectral ranges including portions of the infrared spectral band. These broad spectral ranges may also include portions or all of the visible spectrum, therefore the sensor has both daylight and night vision capabilities. The sensor includes a continuous multi-layer photodiode structure on a many pixel MOS or CMOS readout array where the photodiode structure is chosen to include responses in the near infrared spectral ranges. A preferred embodiment incorporates a microcrystalline copper indium diselenide/cadmium sulfide photodiode structure on a CMOS readout array. An alternate preferred embodiment incorporates a microcrystalline silicon germanium photodiode structure on a CMOS readout array. Each of these embodiments provides night vision with image performance that greatly surpasses the GEN III night vision technology in terms of enhanced sensitivity, pixel size and pixel count. Further advantages of the invention include low electrical bias voltages, low power consumption, compact packaging, and radiation hardness. In special preferred embodiments CMOS stitching technology is used to provide multi-million pixel focal plane array sensors. One embodiments of the invention made without stitching is a two-million pixel sensor. Other preferred embodiments available using stitching techniques include sensors with 250 million (or more) pixels fabricated on a single wafer. A particular application of these very high pixel count sensors is as a focal plane array for a rapid beam steering telescope in a low earth orbit satellite useful for tracking over a 1500-meter wide track with a resolution of 0.3 meter.
Owner:C PHOCUS

Method for forming the image in millimetre and sub-millimetre wave band (variants), system for forming the image in millimetre and sub-millimeter wave band (variants), diffuser light (variants) and transceiver (variants)

InactiveUS20060273255A1Minimize level of disturbanceDecrease of its informational contentRadiation pyrometryPhotometryPhysicsWave band
The invention relates to the field of computer diagnostics. The method consists in the steps of forming radiation forming in this wave range, consisting of separate partial radiations, which are different from each other by values of their physical features, directing of the formed radiations into a side of the observed object, receiving a radiation, dispersed from the observed object, through a focusing element, transforming of the received radiation in electrical signals and forming a synthesized enhance image of the observed object by combining said given electrical signals. Besides, each separate partial radiation is additionally distinctly encoded for example by means of its modulation, which differs from a modulation of other partial radiations, the partial radiations are directed to a diffuser for decreasing their spatial coherence and/or their dispersing by means of different portions of the diffuser in order to create an additional distinctly encoded partial radiations with an additional modulation, corresponding to an angle of impingement onto the observed object. After reflecting of the radiation from the observed object the step of focusing of this radiation to a receiving device is realized, which accomplishes a transforming of set of partial radiations in a corresponding array set of electrical signals, there is realized the step of decoding of partial electrical signals, corresponding to said partial radiations, from each of said electrical signals of said array set there are formed partial images from array sets with various partial electrical signals and then an combination of the partial images or their portions is realized in order to form enhanced resultant image of the object.
Owner:ASTRAZENECA AB
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