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Free Space Optics

In free space optics, light is collected from open beams and sent to the spectrometer. Accessories include collimating lenses and cosine correctors.

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Collimating Lenses

Collimating lenses are curved optical lenses that allow users to control the field of view, collection efficiency and spatial resolution of their setup, and to configure illumination and collection angles for sampling.

Cosine Correctors

Cosine correctors are optical diffusers that couple to fibers and spectrometers to collect signal from 180° FOV. Correctors measure spectral irradiance of a plane surface in air or other media.

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