The portable FTIR spectrometer (Model 102) – also known as the micro FTIR – from D&P Instruments and supplied by Sphere Optics, is a passive-mode FTIR spectrometer which measures the radiation emitted by an object itself. It is therefore the ideal instrument for thermal infrared (TIR) remote sensing applications where non-destructive testing is mandatory, or where spectral field measurements (validation/calibration) have to comply with the requirements necessary for a quantitative comparison with emission spectra obtained via an air- or space-borne TIR remote sensor.
It’s also ideal for gas detection and analyses, as the FTIR-technique allows for very high spectral resolution. The compact and portable micro FTIR is suited ideally for outdoor use and incorporates a thermally stabilised interferometer, which is available with either a liquid nitrogen- or a stirling- cooled dual InSb/MCT detector. This passive mode FTIR spectrometer provides emission radiance spectra (which can be transformed to emissivity/temperature via TES) ranging from 2μm to 16μm with a spectral resolution of 4cm-1.