Finding the origin with zero order out of the field

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#581526
Robin Leadbeater
Participant

I don’t know if you can apply it here but sometimes if your zero order is outside the field and your spectrum is reasonably linear (low dispersion angle) you can estimate the location of the origin (zero order) using  common features in the first and second order spectra. (The distance from the zero order to a feature in the 1st order ~ the distance between the same feature in the two orders)

Cheers

Robin