rus
Issue #2/2014
O.Alymov, I.Vasiliev, V.Minkin, S.Tataurschikov
OJSC NRI Electron Produced Current Visible, Ultraviolet and Near-Infrared Spectral Photodetectors
OJSC NRI Electron Produced Current Visible, Ultraviolet and Near-Infrared Spectral Photodetectors
Acquisition accuracy of approaching small-sized bodies in the bright lighting objects field can be increased with the help of solar-blind in the UV radiation spectrum photodetectors. The article introduces phtodetector devise for multiband electrooptical visual, UV and near-infrared radiation spectrums
Теги: photodetectorsm multiband electrooptical systems многоспектральные оптико-электронные системы фотоприемники
Nowadays OJSC National Research Institute "Electron" takes part in Federal Target Program on development of modern photodetectors (PD) differing with utmost physical parameters, first of all such as sensitivity, resolution and low noise level for given spectral ranges. In 2013 OJSC "NRI "Electron" successfully completed two design and development works: "Development of unified series of FPU based on large-format charge-coupled devices (CCD) for visible, ultraviolet and near-infrared wavelength ranges for earth remote sensing systems", "Fotik-3" code, and "Development of unified series of promising channels modules of ultraviolet spectral range for optoelectronic systems", "Fotik-4" code. These works cover two most promising directions of modern photonics development:
FPU based on large-format thinned CCD with backside illumination with quantum efficiency in spectral range maximum more then 80%;
FPU based on coupled image intensifier and CCD with opportunity to read out of single photon signals in spectral sensitivity range defined by the image intensifier photocathode material.
FPU "Fotik-3"
based on a large-format CCD
Currently photodetectors (PD) based on large-format thinned CCD are the most difficult of all modern solid state photosensitive devices. Their application extends to areas where it is necessary to provide the maximum physical parameters, especially sensitivity and resolution, and hence the range and accuracy of object detection and definition of its parameters.
Development of unified series of PD (FPU-1M with 1536×1536 CCD pixels and FPU-2M with 4096×4096 CCD pixels) based on low light level thinned CCD with backside illumination was carried out under the state contract of 02.12.2011.
Purpose of the work was the development of unified series of PD based on large-format CCD for visible, ultraviolet and near-infrared spectral ranges based on high-tech photosensitive charge-coupled devices.
PD is intended for use in systems of high accuracy detection of low-sized objects, as well as to solve problems of earth remote sensing from space.
Application of PD will increase the range of detection and recognition of low-sized objects and improve the accuracy of their location, as well as to provide the creation of earth remote sensing space systems with advanced performance.
The developed unified series of PD based on low light level thinned CCD with backside illumination are intended for serial production in OJSC "NRI "Electron".
Electric and photoelectric parameters of FPU-1M and FPU-2M under normal climatic conditions are in accordance with standards presented in Table 1.
FPU developed in accordance with Specifications (RAGS.463260.001(002)TU) is intended for use in temperature range from –60 to +60°C. Its mean time between failures (MTBF) is not less than 50 000 hours. Storage ability time is not less than 20 years.
Various prototypes of CCD with maximum spectral sensitivity in different spectral ranges depending on silicon processing and sensitization technology were obtained and investigated during the work. CCD spectral characteristics of different sensitivities are shown in Figs. 1a and 1b.
FPU "Fotik-4" based
on coupled image
intensifier and CCD
Purpose of the work was the development of two unified hybrid solar-blind photodetector modules for optoelectronic multispectral and autonomous systems operating in the "solar-blind" range of UV radiation spectrum.
The use of solar-blind UV range in optoelectronic systems is particularly effective because the background radiation in this spectral region is practically absolutely absent due to its absorption by the ozone layer of the Earth. To solve problems of detection the solar-blind photodetector must be able to detect single photons in solar-blind part of UV-spectral range and be practically insensitive to visible and infrared radiation.
Development of unified series of modules of PD based on CCD, 768×580 pixels (FPU-4P) and based on CCD, 1024×1024 pixels (FPU-4A) was carried out under the state contract of 29.11.2011.
Developed modules are intended for use in passive (FPU-4P) and active-pulse (FPU-4A) solar-blind channels of promising optoelectronic systems. The usage of developed modules will also increase anti-terrorist safety of airplanes and helicopters in modern conditions. Main parameters of FPU-4P module meet the standards listed in Table 2. Main parameters of FPU-4A module are presented in Table 3.
PD developed in accordance with Specifications (RAGS.463340.001 (002) T) are intended for use in temperature range from –40 to +50°C. MTBF is not less than 10 000 hours. Storage ability time is not less than 10 years.
Appearance of FPU-1M, FPU-2M and FPU-4P is shown in figs. 2a–2c.
* * *
Developed unified high sensitive photodetectors which are on the modern technical level enable customers to improve the accuracy of their systems. ▪
FPU based on large-format thinned CCD with backside illumination with quantum efficiency in spectral range maximum more then 80%;
FPU based on coupled image intensifier and CCD with opportunity to read out of single photon signals in spectral sensitivity range defined by the image intensifier photocathode material.
FPU "Fotik-3"
based on a large-format CCD
Currently photodetectors (PD) based on large-format thinned CCD are the most difficult of all modern solid state photosensitive devices. Their application extends to areas where it is necessary to provide the maximum physical parameters, especially sensitivity and resolution, and hence the range and accuracy of object detection and definition of its parameters.
Development of unified series of PD (FPU-1M with 1536×1536 CCD pixels and FPU-2M with 4096×4096 CCD pixels) based on low light level thinned CCD with backside illumination was carried out under the state contract of 02.12.2011.
Purpose of the work was the development of unified series of PD based on large-format CCD for visible, ultraviolet and near-infrared spectral ranges based on high-tech photosensitive charge-coupled devices.
PD is intended for use in systems of high accuracy detection of low-sized objects, as well as to solve problems of earth remote sensing from space.
Application of PD will increase the range of detection and recognition of low-sized objects and improve the accuracy of their location, as well as to provide the creation of earth remote sensing space systems with advanced performance.
The developed unified series of PD based on low light level thinned CCD with backside illumination are intended for serial production in OJSC "NRI "Electron".
Electric and photoelectric parameters of FPU-1M and FPU-2M under normal climatic conditions are in accordance with standards presented in Table 1.
FPU developed in accordance with Specifications (RAGS.463260.001(002)TU) is intended for use in temperature range from –60 to +60°C. Its mean time between failures (MTBF) is not less than 50 000 hours. Storage ability time is not less than 20 years.
Various prototypes of CCD with maximum spectral sensitivity in different spectral ranges depending on silicon processing and sensitization technology were obtained and investigated during the work. CCD spectral characteristics of different sensitivities are shown in Figs. 1a and 1b.
FPU "Fotik-4" based
on coupled image
intensifier and CCD
Purpose of the work was the development of two unified hybrid solar-blind photodetector modules for optoelectronic multispectral and autonomous systems operating in the "solar-blind" range of UV radiation spectrum.
The use of solar-blind UV range in optoelectronic systems is particularly effective because the background radiation in this spectral region is practically absolutely absent due to its absorption by the ozone layer of the Earth. To solve problems of detection the solar-blind photodetector must be able to detect single photons in solar-blind part of UV-spectral range and be practically insensitive to visible and infrared radiation.
Development of unified series of modules of PD based on CCD, 768×580 pixels (FPU-4P) and based on CCD, 1024×1024 pixels (FPU-4A) was carried out under the state contract of 29.11.2011.
Developed modules are intended for use in passive (FPU-4P) and active-pulse (FPU-4A) solar-blind channels of promising optoelectronic systems. The usage of developed modules will also increase anti-terrorist safety of airplanes and helicopters in modern conditions. Main parameters of FPU-4P module meet the standards listed in Table 2. Main parameters of FPU-4A module are presented in Table 3.
PD developed in accordance with Specifications (RAGS.463340.001 (002) T) are intended for use in temperature range from –40 to +50°C. MTBF is not less than 10 000 hours. Storage ability time is not less than 10 years.
Appearance of FPU-1M, FPU-2M and FPU-4P is shown in figs. 2a–2c.
* * *
Developed unified high sensitive photodetectors which are on the modern technical level enable customers to improve the accuracy of their systems. ▪
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