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				Beam with higher order dispersion
				Posted: 23 Jun 2020, 10:05
				by Jafarinia
				Hi Michael,
How can I make a beam with higher order dispersion etax2, etax3 included?
Thanks,
Farzad
			 
			
					
				Re: Beam with higher order dispersion
				Posted: 30 Jun 2020, 09:58
				by michael_borland
				Farzad,
We don't have a tool for that, but you can add it by hand. E.g.,
Code: Select all
sddsprocess beam0.sdds beam1.sdds \
 "-define=parameter,etax2,1,units=m" "-define=parameter,etax3,0.1,units=m" \
 "-define=column,delta,p pCentral / 1 -" \
 "-redefine=column,x,x etax2 delta sqr * + etax3 delta 3 pow * +,units=m" 
Of course, you'll also want to include the corresponding changes to the slopes, if any.
--Michael