Measure from 100 nW to 2 mW and 0.1 to 30 THz These Broadband Pyroelectric Radiometers are optimized for use in the THz spectrum and are available as either analog or digital instruments. The SPI-A Analog probes are powered by battery or the DC power module we supply and are intended for use with your standard Lock In Amplifier or Oscilloscope. The SPI-D Digital probes, on the other hand, are powered via the USB connection to your PC and includes versatile, full instrumentation LabView Applications Software.
Model SPI-A-62 THz and SPI-D-62 THz These two models are designed around our hottest LiTaO3 Pyroelectric crystal. This dictates using thin material and limits there size to 2 mm square. In addition we add an Organic Black Absorbing Coating that can enhance the response for a good portion of the spectrum. The SPI-A-62 has a voltage responsivity of about 150 kV/W– very high! This helps you measure THz radiant flux down to 100 nW with good signal to noise. The SPI-D-62 incorporates the same detector element but mates it to our USB based digital electronics. Add our LabView Software and you've got a THz Radiometer that is ready to "plug and play."
Model SPI-A-65 THz and SPI-D-65 THz These two probes incorporate a larger 5 mm diameter LiTaO3 Pyroelectric detector that includes a new THz enhanced metallic coating. The larger area makes it a little easier to set up and use with your millimeter sources. They SPI-A-65 has a voltage responsivity of about 120 kV/W and good NEP at 1 nW/(Hz)1/2. The SPI-D-65 is otherwise just like the SPI-D-62 and includes our powerful LabView Software.
Instrument Features
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