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Varied line spacing grating

Thread starter Newbie2
Start date Nov 22, 2009

Status: Not open for further replies.

Nov 22, 2009

Newbie2

Industrial

Hello everyone,

Could someone explain how one can calculate the ruling polynomial equation for a varied line spacing grating or for a zone plate? I know the first coefficient (power 0) has to be the density at center but what about the others?

Thanks!