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太赫茲相機

作者: kevin    發(fā)布于: 2020-03-01 01:42    點(diǎn)擊:次

Terahertz cameras

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    New physical principle employed

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    Operates at frequencies (0.05 – 0.7 THz), where most common materials are transparent

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    256, 1024, 4096 pixels models are available — to accommodate any budget

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    USB feeding and programming

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    Low-cost

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    1.5 year warranty

Terahertz imaging cameras

The detectors are fabricated with a GaAs high-mobility heterostructure in the standard semiconductor cycle using conventional optical lithography. The imaging sensor is manufactured on a single wafer. That process ensures high homogeneity and reproducibility of the plasmonic detector parameters (pixel-to-pixel deviation responsivity is within a 20- percent range). Each detector unit has a room-temperature responsivity up to 50 kV/W with read-out circuitry and noise-equivalent power of 1 nW/sqrt{
m{Hz}} in the frequency range 10 GHz — 1 THz. The detection mechanism is based on excitation of plasma oscillations in a two-dimensional electron system with subsequent rectification. The rectification takes place on special defects made in the electron system.

Our terahertz cameras are active detecting devices, and require an external THz source. We offer sub-terahertz wave sources based on IMPATT technology. All our TERA-series THz imaging cameras employ the same type of detectors with identical capabilities and spatial resolution. The difference between our models lies in the number of pixels in their sensor arrays and their effective imaging area.

In addition to our standard THz camera models we offer customized solutions to satisfy diverse configuration and geometry requirements.

Terahertz camera Tera-256

Terahertz camera 
Tera-256

  • 256 pixels (16 x 16 array)
  • 1.5 mm pixel pitch
  • NEP = 1 nW/sqrt{
m{Hz}}
  • 11.5 cm x 11.5 cm x 4.2 cm device size
Terahertz camera Tera-1024

Terahertz camera 
Tera-1024

  • 1024 pixels (32 x 32 array)
  • 1.5 mm pixel pitch
  • NEP = 1 nW/sqrt{
m{Hz}}
  • 11.5 cm x 11.5 cm x 4.2 cm device size
Terahertz camera Tera-4096

Terahertz camera 
Tera-4096

  • 4096 pixels (64 x 64 array)
  • 1.5 mm pixel pitch
  • NEP=1 nW/sqrt{
m{Hz}}
  • 16.5 cm x 16.5 cm x 4.5 cm device size
Terahertz camera Linear Tera-1024

Linear Tera-1024

  • 1024 pixels (256 x 4 array)
  • 1.5 x 1.5 mm pixel size
  • NEP = 1 nW/sqrt{
m{Hz}}
  • 44 cm x 4.3 cm x 8.9 cm device size
Linear Terahertz camera TeraFAST-256-HS

TeraFAST-256

  • Image acquisition rate: 5000 fps (5 KHz)
  • Scanning speed: up to 15 m/sec (900 m/min)
  • Min detectable power/pixel: 100 nW (at 5000 fps)
  • 256 pixels (256 x 1 array) – scalable in size
  • 3 x 1.5 mm pixel size
  • NEP = 1 nW/sqrt{
m{Hz}}

Demonstration of THz imaging

Demonstration of THz food imaging
 
Summary
 
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Terasense
Terasense
 
Product Name
Terahertz imaging cameras

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