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テラヘルツ面列検出器
テラヘルツ表面アレイ検出器米国TERASENSE社は、高高速応答テラヘルツ表面アレイ検出器を提供し、解像度は16×16、32×32、64×64が選択可能である。検出器はGaAs単ウェハ設計を採用し、コンパクトでコンパクトである。プローブユニットの応答度偏差は20%未満である。高速なテラヘルツスポット
製品の詳細

Ultrafast sub-Terahertz detectors

アメリカTERASENSE同社は高高速応答テラヘルツ面アレイ検出器を提供し、解像度16×1632×3264×64オプション。プローブの採用GaAsシングルウェハ設計で、コンパクトでコンパクト。プローブユニットの応答度偏差が以下である20%。迅速なテラヘルツスポット検出、非破壊検出、医学イメージング診断などの応用に便利である

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  • Response time: 150 ps
  • Spectral Range: 50 GHz - 1.0 THz
  • Responsivity (typical): 1 V/W
  • Noise Equivalent Power : 1 nW/√Hz
  • Sensitive area: 3 x 3.5 mm
  • No power supply needed
  • Compact size: 23 x 29 x 6.5 mm

Detailed description

Time_Response

Ultrafast detectors by TeraSense consistently demonstrate response time of less than 150 ps. This was confirmed by direct observation of its impulse response function. The detector was excited by 200 nJ 1 ps laser pulse with a broad spectrum ranging from 0.1 to 3 THz, and its response was recorded by a high speed oscilloscope. The response function shows rise and fall times of 150 ps limited by the oscilloscope 4 GHz bandwidth.
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The measured short response time makes it possible to use our detectors for straightforward investigation of fast transient processes in THz-science and telecommunication.

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TeraSense®detectors are sensitive in a wide frequency range. However their frequency response is not continuous, but consists if multiple bands (peak structures). Positions of the peaks in responsivity curve can be tuned at manufacturing stage to suit specific client’s requirements.
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Our ultrafast high-sensitive sub-THz detectors are meant for exploring fast-changing and transient sub-THz signals and impulses. Terasense detectors are actually expediting the advent of ultra-high-speed wireless telecommunication networks that is about to happen in the nearest future. Terasense ultrafast detectors are also an ultimate tool for characterization, calibration and tuning of impulse sub-THz sources.
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