The Shvabe Holding of the Rostec State Corporation has developed a new generation of domestic matrix photoreceiver based on colloidal quantum dots (CQDs). The technology will allow mass production of compact cameras with an extended spectral range, used in unmanned aerial vehicles, industrial devices, as well as in the exploration and development of mineral deposits.
Colloidal quantum dots are semiconductor nanocrystals synthesized in a colloidal solution. Their unique feature is the change in optical and other properties depending on the size. The new 640×512 format photoreceiving matrix with a pixel pitch of 15 μm is capable of capturing radiation from the visible to the short-wave infrared range (0.4–2.0 μm).
The use of colloidal quantum dots opens up great prospects for creating a new generation of photoreceiving matrices. They are cheaper and easier to manufacture, have a wide range of sensitivity and provide effective control of unmanned aerial vehicles in difficult weather conditions and low light
The development was carried out by the State Scientific Center of the Russian Federation "NPO "Orion"" jointly with the Moscow Institute of Physics and Technology and the Ioffe Institute of Physics and Technology of the Russian Academy of Sciences with the support of the Foundation for Advanced Research.
The General Director of NPO Orion, Vadim Startsev, emphasized that the technology will allow establishing mass production with low cost and will ensure the mass use of infrared cameras in areas where classical hybrid photoreceivers are economically inefficient.
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