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Analytical Infrared (IR)

Analytical infrared (IR)

Hamamatsu’s infrared (IR) detectors can help uncover information in the fingerprint region or achieve parts per billion (ppb) measurements. A quantum cascade laser (QCL) and InAsSb detector pair have the capability for measuring at extremely low thresholds. Our line of infrared detectors suits the needs of many analytical instruments around the world.

Unfortunately, many detectors in the MIR space rely on hazardous materials outlined by RoHS standards. These materials are also prone to high variance at high volumes. Hamamatsu is proud to showcase a fully RoHS compliant product line relying on InAsSb material. No mercury, cadmium, or lead are used.

Fourier-transform infrared spectroscopy (FTIR) instruments

FTIR remains an extremely popular technique for analytical chemistry. Hamamatsu's detectors have the wide coverage, sensitivity, and price point necessary to give instruments a competitive edge.

InAsSb photovoltaic detectors

Indium arsenide antimonide (InAsSb) detectors are RoHS compliant, unlike mercury cadmium telluride (MCT). They also have highly stable characteristics and minimal variations from one detector to another. The cutoff wavelength of our InAsSb detectors ranges from 5.3 µm up to 11 µm.

When selecting an InAsSb detector, consider these characteristics:

  • Sensitivity
  • Specific detectivity (D*)
  • Noise
  • Linearity
  • Speed
  • Package
  • Cooling

Customizations include:

  • Built-in filter
  • Window material

Quantum cascade lasers (QCLs)

QCLs have an extremely narrow emission band in the mid-infrared region, making them suitable for high-accuracy measurements. When selecting QCLs, consider these characteristics:

  • Peak emission
  • Tuning
  • Output power
  • Operating temperature
  • Operating current
  • Package (TO can/HHL/butterfly)

We offer continuous wave (CW HHL package) and pulsed QCLs with emission wavelengths within the 4 – 10 µm band. They feature high output, high-speed response, and high reliability.

Customizations include:

  • Wavelength range or peak emission
  • Output power
  • Operating temperature and current
  • Additional cooling stages

Recommended products

InAsSb photovoltaic detectors

InAsSb photovoltaic detectors deliver high sensitivity in the 5 μm, 8 μm, and 11 μm band due to our unique crystal growth technology.

Quantum cascade lasers (QCLs)

Quantum cascade lasers are semiconductor lasers that offer peak emission in the mid-IR range (4 μm to 10 μm). They have gained considerable attention as a new light source for mid-IR applications such as molecular gas analysis used in environmental measurement.

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