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PVI系列2-4级制冷
Features•Highperformanceinthe2to12μmspectralrange•Fastresponse•Noflickernoise•Convenienttouse•Widedynamicrange•Compact,ruggedandreliable•Lowcost•Promptdelivery•Customdesignuponrequest DescriptionThePV
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Features
• High performance in the 2 to 12 μm spectral range
• Fast response
• No flicker noise
• Convenient to use
• Wide dynamic range
• Compact, rugged and reliable
• Low cost
• Prompt delivery
• Custom design upon request
Description
The PVI-TE-λopt photodetectors series (λopt - optimal wavelength in micrometers)
feature IR photovoltaic detector on two-stage thermoelectrical cooler, optically
immersed to high refractive index GaAs hyperhemispherical (standard) or
hemispherical or any intermediate lens (as option) for different acceptance angle and
saturation level.
The devices are optimized for the maximum performance at λopt. Cut-on wavelength
can be optimized upon request. Reverse bias may significantly increase speed of
response and dynamic range. It results also in improved performance at high
frequencies, but 1/f noise that appears in biased devices may reduce performance at
low frequencies. Highest performance and stability are achieved by application of
variable gap HgCdTe semiconductor, optimized doping and sophisticated surface
processing. Custom devices with quadrant cells, multielement arrays, different
windows, lenses and optical filters are available upon request.
Standard detectors are available in TO8 packages with wedged BaF2 windows. Other
packages, windows and connectors are also available.
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