Terahertz Spectroscopic Analysis System TAS7400TS + High Frequency Resolution Option PYSI74-10MNIS
This is an option for Advantest’s terahertz optical sampling analysis systems. It is suitable for evaluating the frequency characteristics of radio wave absorbers, printed
circuit board materials, polymer materials, etc., which are indispensable for the next-generation wireless communication technology (beyond 5G/6G) and millimeter-wave radar used
in ADAS (advanced driver assistance systems).
in a wide range of fields for evaluation of properties including transmission characteristics (transmittance, reflectance) and
complex permittivity of various materials in the millimeter wave to terahertz region.
[New] Frequency characteristics evaluation system with millimeter-wave to terahertz region coverage
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High frequency resolution: 380 MHz
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Broadband measurement (30 GHz to 2 THz) without switching frequency extenders
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High throughput pulse waveform sampling technology up to 40ms/scan
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Easy setup for transmission/reflection measurement and calibration
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Remote programming function enables 2D mapping measurement in conjunction with automatic stages
(Water Vapor Absorption)
Introduction Movies
Proposed of system configuration (30 GHz to 2 THz)
Specifications
System configuration
Dual repetition rate synchronized fiber laser (for THz generation and detection), laser driver, synchronizer, data correction, and analysis PC
Excitation Laser
| Center wavelength | 1550 nm |
|---|---|
| Output power | ≥20 mW (Option: Max. 50 mW)(*1) |
| Pulse width | ≤50 fs (Using 1.5 m fiber)(*1) |
| Repetition rate | 50MHz |
| Optical output port | For THz generation: 1port For THz detection: 1port |
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*1At temperatures of 23°C±5°C
Measurement Specifications
| Frequency resolution | 380 MHz(*2), 1.9 GHz, 7.6 GHz |
|---|---|
| Throughput | 40 ms/scan(*2), 200 ms/scan |
| Frequency Accuracy | ±5 GHz (at 0.557 THz)(*2), ±10 GHz (at 1.41 THz) |
| Analysis / display function | Transmittance, Reflectance, Phase shift, Complex permittivity, loss tangent (tanδ) |
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*2When high frequency resolution option is installed
Terahertz Source Module TAS1120 (Low frequency type: 0.03 - 2 THz)
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Easy to use all-in-one THz source; a photoconductive antenna and a hyper-hemispherical silicon lens are included in a fiber pigtailed compact housing.
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THz waves are generated by introducing 1.55 µm ultra short laser pulses.
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Suppression of THz wave amplitude variation caused by fluctuations of temperature using an on-state current monitor and a thermistor embedded in the bias circuit.
Terahertz Detector Module TAS1220
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Easy to use all-in-one THz detector; a photoconductive antenna and a hyper-hemispherical silicon lens are included in a fiber pigtailed compact housing.
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THz waves are sampled by introducing 1.55 μm ultra short laser pulses.
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Built-in transimpedance (current-voltage transfer) amplifier with 500 kHz bandwidth makes for a simpler measurement system.
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To be used with TAS1120 Terahertz Source Module (0.03 to 2 THz)
Specifications
Terahertz Source Module TAS1120 (Low frequency type)
| Generation method | Photoconductive antenna |
|---|---|
| Bandwidth (SNR=1)(*) | 0.03 to 2THz |
| Input Optical Fiber Connector | φ3 mm 1550 nm Polarization maintaining fiber (Length: 1.5 m) |
| Size (without fiber pigtail) | 55mm × 20mm × 20mm |
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*When using the TAS1220 detector module with 7.6 GHz resolution
Terahertz Detector Module TAS1220
| Generation method | Photoconductive antenna |
|---|---|
| Dynamic range (Peak level) | ≥50dB (Source: TAS1120) (at resolution: 7.6 GHz) |
| TIA sensitive | 9.7 × 106 V/A (at resolution: 7.6 GHz) |
| TIA bandwidth (-3dB) | 500kHz |
| Input Optical Fiber Connector | φ3 mm 1550 nm Polarization maintaining fiber (Length: 1.5 m) |
| Size (without fiber pigtail) | 55mm × 20mm × 20mm |
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*Specifications and external view are subject to change without notice
