Advantest-Terahertz Spectroscopy System (Model:TAS7400)

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 The TAS7400 product line offers a series of low-cost, all-purpose spectroscopy systems that enable spectroscopic measurements using terahertz (THz) waves. The tools are capable of performing non-destructive analysis on a wide variety of sample types, making it applicable to a broad range of fields from life sciences to electronics, where precise chemical and material characterization is critical. The systems are ideal for settings ranging from basic research to product development, as well as for manufacturing and quality control, and employ easy-to-use spectroscopic methods that do not require specialized knowledge of THz wave generation or optics.

  • Low-cost, all-purpose THz spectroscopy system offers superior spectroscopy performance
  • Compact desktop form factor
  • THz spectroscopic analysis in a range of frequencies (0.03–7 THz)
  • Transmission, reflectance, ATR (Attenuated Total Reflection), and transmission polarization measurement modes support spectroscopic analysis of a wide variety of materials
  • Dry air filter unit attached, so that measurements will be unaffected by water vapor absorption
  • A full range of holders and cells to handle aqueous solutions, powders, and other types of samples
Terahertz spectroscopy system
TAS7400SL 
(Low-frequency system)
TAS7400SP 
(Standard system)
TAS7400SU 
(Wideband system)
Measurement mode Spectroscopy
(Transmission/ reflectance) ∗1
Spectroscopy
(Transmission/ reflectance/ ATR/ transmission polarization) ∗1
Spectroscopy
(Transmission/ reflectance/ ATR) ∗1
Analytical targets Dielectric materials, chemical materials and 
other reagents
Chemical materials, construction materials, organisms, medicines, and other reagents
Specimen dimensions Transmission/ reflectance mode
φ20–30 mm,
Thickness 10 mm or less
Transmission/ reflectance mode
φ5–30 mm, thickness 10 mm or less

ATR mode
φ5 mm or less (powders, liquids)
φ5–20 mm, thickness 10 mm or less (solids)

Measurement 
performance
Frequency 
range(∗2)
0.03-2 THz 0.1–4 THHz 0.5–7 THz
(transmission/ reflectance mode)
0.5–6.5 THz 
(ATR mode)
Frequency 
accuracy(∗2)
±10 GHz or less 
(at 0.56 THz)
±10 GHz or less 
(at 1.4 THz)
±10 GHz or less 
(at 1.4 THz)
Frequency resolution 1.9 GHz / 7.6 GHz 1.9 GHz / 7.6 GHz 1.9 GHz / 7.6 GHz
Dynamic range(∗2)
(at peak frequency)
50 dB or higher 60 dB or higher 57 dB or higher
(transmission/reflectance mode)
55 dB or higher (ATR mode)
Throughput 200 ms/scan
Measurement accessories Transmission mode
Solid holder, liquid/powder cell∗3, dry air isolation kit∗3, rotating holder∗3

Reflectance mode
Reflectance mirror, rotating holder∗3

ATR mode (SP/SU only)
Powder holder

Display function Spectral display (transmittance, reflectance, ATR*, phase difference, absorbance, absorption coefficient, complex refractive index complex permittivity) 
*ATR with SP/SU only
Time response display (electric field strength)
Software(∗3) Polarization application, automatic control, FDA21CFR Part11 supported, offline analysis
Dry air purge Dry air unit attached (external dry air supply necessary)
External accessory(∗4) Temperature control accessory (-10 to +80 °C type, room temp to +300 °C type)
Controller Included as standard (OS: 64-bit Windows 7 Professional)
Data file format Proprietary binary, JCAMP-DX, SPC, CSV
General 
specifications
Usage Environment Temperature range: +10 °C to +30 °C Relative humidity: Under 80% 
(no condensation)
Storage environment Temperature range: -10 °C to +50 °C Relative humidity: Under 80% 
(no condensation)
Power 
 
Analysis unit: AC100 V (100–120) / 200 V (220–240) ±10%, 50/60 Hz, 180 VA
Measurement unit: AC100 V (100–120) / 200 V (220–240) ±10%, 50/60 Hz, 150 VA
*Not including analysis PC
Size/weight Analysis unit: Dimensions: 430 (W) × 540 (D) × 330 (H) mm / 30 kg or less
Measurement unit: Dimensions: 500 (W) × 490 (D) × 410 (H) mm /40 kg or less
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