26 lines
759 B
Python
26 lines
759 B
Python
rsys = "SINSB01-RSYS"
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bpm = "SINLH02-DBPM210"
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phi1 = -175.0
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phi2 = 180.0
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dphi = 5.0
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def laser_on():
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caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 0)
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def laser_off():
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caput("SIN-CVME-TIMAST-TMA:LaserDelayControl", 1)
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phi_set = Channel(rsys + ":SET-VSUM-PHASE")
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phi_get = Channel(rsys + ":GET-VSUM-PHASE")
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amp_get = Channel(rsys + ":GET-VSUM-AMPLT")
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bpm_x = Channel(bpm + ":X1")
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r = lscan(phi_set, [phi_get, amp_get, bpm_x], phi1, phi2, dphi, 0.5, before_read = laser_on(), after_read = laser_off())
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plot(r.getReadable(2), xdata = r.getReadable(0), title = "Phase scan")
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(amplitude, angular_frequency, phase, ok, maximum) = hfit(r.getReadable(2), xdata = r.getReadable(0))
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caput(rsys + ":SET-ON-CREST-VSUM-PHASE", maximum)
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set_return(r.print())
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