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sf-op/script/Undulators/K-calc.py
root dcdb3ee2ac
2018-05-15 10:29:52 +02:00

16 lines
480 B
Python

Eph1 = 2.165# actual photon energy
Eph2 = 2.185 # desired photon energy
# beam on-delay during change!
undlist = ("SARUN03","SARUN04","SARUN05","SARUN06","SARUN07","SARUN08","SARUN09","SARUN10","SARUN11","SARUN12","SARUN13","SARUN14","SARUN15")
for und in undlist:
K1 = caget(und + "-UIND030:K_SET")
K2 = ((Eph1 / Eph2 * (K1**2 + 2) - 2))**0.5
print K1,K2
caput(und + "-UIND030:K_SET", 0.07)
time.sleep(10.0)
caput(und + "-UIND030:K_SET", K2)
print "finished"