Amplitudes

class nexus.Amplitudes(experiment, energy, id='')

Bases: Measurement

Constructor for the Amplitudes class. Calculates the complex electronic field amplitudes after each object of the experiment.

Parameters:

• id (string) – User identifier.

• experiment (Experiment) – Experiment for the calculation.

• energy (float) – X-ray energy (eV).

id

User identifier.

Type:

string

experiment

Experiment for the calculation.

Type:

Experiment

energy

X-ray energy (eV).

Type:

float

result

List of complex scattering amplitudes.

Type:

list

Calculate()

Calculates the class method. Also callable via operator ().

Returns:

Array of complex values.

Return type:

ndarray

Velocity()

Returns the velocity detuning of the measurement in units of mm/s.

Returns:

Velocity detuning (mm/s).

Return type:

ndarray

Matrices

class nexus.Matrices(experiment, energy, id='')

Bases: Measurement

Constructor for the Matrices class. Calculates the complex electronic scattering matrix after each object of the experiment.

Parameters:

• id (string) – User identifier.

• experiment (Experiment) – Experiment for the calculation.

• energy (float) – X-ray energy (eV).

id

User identifier.

Type:

string

experiment

Experiment for the calculation.

Type:

Experiment

energy

X-ray energy (eV).

Type:

float

result

List of complex scattering amplitudes.

Type:

list

Velocity()

Returns the velocity detuning of the measurement in units of mm/s.

Returns:

Velocity detuning (mm/s).

Return type:

ndarray

JonesVectors

class nexus.JonesVectors(experiment, energy, id='')

Bases: Measurement

Constructor for the JonesVectors class. Calculates the complex electronic Jones vector after each object of the experiment.

Parameters:

• id (string) – User identifier.

• experiment (Experiment) – Experiment for the calculation.

• energy (float) – X-ray energy (eV).

id

User identifier.

Type:

string

experiment

Experiment for the calculation.

Type:

Experiment

energy

X-ray energy (eV).

Type:

float

result

List of complex scattering amplitudes.

Type:

list

Velocity()

Returns the velocity detuning of the measurement in units of mm/s.

Returns:

Velocity detuning (mm/s).

Return type:

ndarray

Intensities

class nexus.Intensities(experiment, energy, id='')

Bases: Measurement

Constructor for the Matrices class. Calculates the intensities after each object from the polarization dependent scattering matrix of the experiment.

Parameters:

• id (string) – User identifier.

• experiment (Experiment) – Experiment for the calculation.

• energy (float) – X-ray energy (eV).

id

User identifier.

Type:

string

experiment

Experiment for the calculation.

Type:

Experiment

energy

X-ray energy (eV).

Type:

float

result

List of complex scattering amplitudes.

Type:

list

Velocity()

Returns the velocity detuning of the measurement in units of mm/s.

Returns:

Velocity detuning (mm/s).

Return type:

ndarray