Product/Service

Infra-Red MTF System – Beam-Steering Type

Source: Image Science Ltd

	Infra-Red MTF System – Beam-Steering Type

The Infra-Red MTF System measures the Modulation Transfer Function (MTF) of thermal imaging lenses and telescopes, in both the 3-5 um and 8-12 um wavelength bands. In addition other optical parameters such as Effective Focal Length (EFL), Distortion, and Field Curvature may also be measured. A 1-3um (SWIR) detector is an available option. The bench can be programmed to perform high-speed production testing if required.

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The Beam Steering System has the advantage that the lens under test can be mounted directly onto the optical table, and thus the mounting of large systems is not a problem. This configuration also has the advantage that focal systems can be easily tested by the addition of a small swinging arm module. This is shown in the photograph.

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