Gentec-EO offer a range of Terahertz detectors for power measurement, including the model THZ12D-3S-VP-D0 for up to 3 watts. 

RELATIVE MEASUREMENTS FROM 0.1 TO 30 THZ

Broadband, room temperature operation, easier to use and less expensive than a Golay cell

FLAT SPECTRAL RESPONSE

Get the best precision accross the entire wavelength range.

MEASURE HIGHER POWERS

Up to 3 W of continuous power with the THZ12D model, the highest in our THz range of products

LARGE APERTURE

Models range from 9 to 12 mm Ø aperture.

CALIBRATED AT 10.6 µM

THZ-D detectors are calibrated at a single wavelength (10.6 µm) and include wavelength correction data from 10.6 to 440 µm. They are used for relative measurements outside that range.

Specifications:

  • Maximum average power: 3 W
  • Noise equivalent power1: 0.5 μW
  • Spectral range2: 10 - 3000 μm
  • Frequency3: 0.1 - 30 THz
  • Typical rise time4: 3 s
  • Typical power sensitivity5: 200 mV/W
  • Power calibration uncertainty6: ±8.0 %
  • Repeatability: ±0.5 %
  • Thermal drift: 12 μW/°C
  • Minimum measurable power7: 50 - 100 µW
  • Minimum repetition rate8: 7 Hz
  • Maximum average power density1: 30 W/cm²
  • Maximum energy density: 1 J/cm²
  • Aperture diameter: 12 mm
  • Absorber: VP
  • Dimensions: 73H x 73W x 20D mm (72D mm with tube)
  • Weight: 0.32 kg

 

  • 1. Nominal value. Actual value depends on electrical noise in the measurement system.
  • 2. From 10 to 440 μm, spectrometer measurement with multiple laser references validation. From 440 to 600 μm, spectrometer measurement only. From 600 to 3000 μm, relative measurement only. This spectral range is subject to change.
  • 3. From 10 to 440 μm, spectrometer measurement with multiple laser references validation. From 440 to 600 μm, spectrometer measurement only. From 600 to 3000 μm, relative measurement only. This spectral range is subject to change.
  • 4. With anticipation.
  • 5. Into 100 kΩ load. Maximum output voltage = sensitivity x maximum power.
  • 6. Including linearity with power.
  • 7. Actual value depends on ambient conditions and the measurement system.
  • 8. Minimum repetition rate for stable average power measurements.
  • 1. At 1064 nm, 1 W CW. May vary with wavelength and average power.

 

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