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Deflectors

Classes

BeamShift(tem)

Bases: Deflector

BeamShift control (CLA1)

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setBeamShift
    self._getter = self._tem.getBeamShift
    self.key = 'CLA1'

BeamTilt(tem)

Bases: Deflector

BeamTilt control (CLA2)

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setBeamTilt
    self._getter = self._tem.getBeamTilt
    self.key = 'CLA2'

Deflector(tem)

Generic microscope deflector object defined by X/Y values.

Must be subclassed to set the self._getter, self._setter functions.

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__()
    self._tem = tem
    self._getter = None
    self._setter = None
    self.key = 'def'

Attributes

name: str property

Return name of the deflector.

x: int property writable

Get/set X value.

xy: Tuple[int, int] property writable

Get/set x and y values as a tuple.

y: int property writable

Get/set Y value.

Functions

get()

Get X and Y values of the deflector.

Source code in src/instamatic/TEMController/deflectors.py 
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def get(self) -> Tuple[int, int]:
    """Get X and Y values of the deflector."""
    return DeflectorTuple(*self._getter())
neutral()

Return deflector to stored neutral values.

Source code in src/instamatic/TEMController/deflectors.py 
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def neutral(self):
    """Return deflector to stored neutral values."""
    self._tem.setNeutral(self.key)
set(x, y)

Set the X and Y values of the deflector.

Source code in src/instamatic/TEMController/deflectors.py 
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def set(self, x: int, y: int):
    """Set the X and Y values of the deflector."""
    self._setter(x, y)

DiffShift(tem)

Bases: Deflector

Control for the Diffraction Shift (PLA)

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setDiffShift
    self._getter = self._tem.getDiffShift
    self.key = 'PLA'

GunShift(tem)

Bases: Deflector

GunShift control.

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setGunShift
    self._getter = self._tem.getGunShift
    self.key = 'GUN1'

GunTilt(tem)

Bases: Deflector

GunTilt control.

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setGunTilt
    self._getter = self._tem.getGunTilt
    self._tem = tem
    self.key = 'GUN2'

ImageShift1(tem)

Bases: Deflector

ImageShift control (IS1)

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setImageShift1
    self._getter = self._tem.getImageShift1
    self.key = 'IS1'

ImageShift2(tem)

Bases: Deflector

ImageShift control (IS2)

Source code in src/instamatic/TEMController/deflectors.py 
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def __init__(self, tem):
    super().__init__(tem=tem)
    self._setter = self._tem.setImageShift2
    self._getter = self._tem.getImageShift2
    self.key = 'IS2'