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Table 1

Key characteristics of the PREMOS filters, including centre wavelength and full width at half maximum.

Channel 1 Channel 2 Channel 3 Channel 4

Heads A & C λ 210 nm 266 nm 535.69 nm 782.26 nm
FWHM 20 nm 20 nm 0.58 1.73 nm

Head B λ 215 nm 607.16 nm 215 nm 607.16 nm
FWHM 10 nm 0.89 nm 10 nm 0.89 nm

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