Multi-channel spectro-radiometer for defense and research applications. Each channel covers its own spectral range, using cooled IR or VIS spectrometers matched to the application. A narrow field of view of a few tens of milliradians, flat 5 MHz (-3 dB) bandwidth and non-uniformity below 10% across the FOV support fast, repeatable measurements. Temperature-stabilized design with replaceable neutral density filters and integrated software.

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