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太赫茲面陣探測器美國TERASENSE公司提供高快速響應(yīng)太赫茲面陣探測器，分辨率16×16，32×32，64×64可選。探測器采用GaAs單晶片設(shè)計，體積緊湊小巧。探測單元響應(yīng)度偏差小于20%。可方便用于快速的太赫茲光斑檢測、無損檢測、醫(yī)學(xué)成像診斷等應(yīng)用中

詳細(xì)介紹

Ultrafast sub-Terahertz detectors

美國TERASENSE公司提供高快速響應(yīng)太赫茲面陣探測器，分辨率16×16，32×32，64×64可選。探測器采用GaAs單晶片設(shè)計，體積緊湊小巧。探測單元響應(yīng)度偏差小于20%。可方便用于快速的太赫茲光斑檢測、無損檢測、醫(yī)學(xué)成像診斷等應(yīng)用中

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.

The measured short response time makes it possible to use our detectors for straightforward investigation of fast transient processes in THz-science and telecommunication.

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.

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.