42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
"""
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Scan refocusing mirror RY and manipulator X in parallel (to find analyser focus).
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Beam stays on same spot on the sample.
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set scan parameters below.
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set analyser parameters separately!
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move manipulator and mirror to center position before start!
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"""
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import math
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# adjust the following parameters
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DISTANCE_X = 1.0 # mm
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#DISTANCE_Ry = 0.5 # mrad (Ry)
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SLOPE = 1.0/0.24 # mm/mrad (DX / DRy)
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STEPS = 120
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LATENCY = 0.0
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ENDSCAN = False
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# do not edit below
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#DISTANCE_X = DISTANCE_Ry * SLOPE
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DISTANCE_Ry = DISTANCE_X / SLOPE
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MOTOR = (RefocusYRot, ManipulatorX)
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SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution)
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STARTPOS = (-DISTANCE_Ry / 2.0, -DISTANCE_X / 2.0)
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ENDPOS = (DISTANCE_Ry / 2.0, DISTANCE_X / 2.0)
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RELATIVE = True
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#STARTPOS = (-1.670, -5.000)
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#ENDPOS = (-0.330, 1.000)
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#RELATIVE = False
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adjust_sensors()
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set_adc_averaging()
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try:
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lscan(MOTOR, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout)
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finally:
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if ENDSCAN:
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after_scan()
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