The fibres are used to pick off each sub field of 1" and are used to transport the light from the instrument focal plane to the two spectrographs. Each fibre has a microlens to focus the beam into the fibre at a relative fast focal ratio of F/3.65 to reduce the Focal Ratio Degradation (FRD). |
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Spectrographs
Prototyping
Microlens
Connectors
Manufacturing
Astronomical imaging
Cladding