# {py:mod}`nexusLIMS.schemas.metadata`

```{py:module} nexusLIMS.schemas.metadata
```

```{autodoc2-docstring} nexusLIMS.schemas.metadata
:parser: autodoc2_docstrings_parser
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`ExtractionDetails <nexusLIMS.schemas.metadata.ExtractionDetails>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`StagePosition <nexusLIMS.schemas.metadata.StagePosition>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`NexusMetadata <nexusLIMS.schemas.metadata.NexusMetadata>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`ImageMetadata <nexusLIMS.schemas.metadata.ImageMetadata>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`SpectrumMetadata <nexusLIMS.schemas.metadata.SpectrumMetadata>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`SpectrumImageMetadata <nexusLIMS.schemas.metadata.SpectrumImageMetadata>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`DiffractionMetadata <nexusLIMS.schemas.metadata.DiffractionMetadata>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
````

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`emg_field <nexusLIMS.schemas.metadata.emg_field>`
  - ```{autodoc2-docstring} nexusLIMS.schemas.metadata.emg_field
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
````

### API

````{py:function} emg_field(field_name: str, default: typing.Any = None, *, description: str | None = None, **kwargs: typing.Any) -> typing.Any
:canonical: nexusLIMS.schemas.metadata.emg_field

```{autodoc2-docstring} nexusLIMS.schemas.metadata.emg_field
:parser: autodoc2_docstrings_parser
```
````

`````{py:class} ExtractionDetails(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails

Bases: {py:obj}`pydantic.BaseModel`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails
:parser: autodoc2_docstrings_parser
```

````{py:attribute} date
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails.date

**Type:** str

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails.date
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} module
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails.module

**Type:** str

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails.module
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} version
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails.version

**Type:** str

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails.version
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} extractor_warnings
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails.extractor_warnings

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails.extractor_warnings
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} model_config
:canonical: nexusLIMS.schemas.metadata.ExtractionDetails.model_config

**Type:** dict

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ExtractionDetails.model_config
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} StagePosition(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.StagePosition

Bases: {py:obj}`pydantic.BaseModel`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition
:parser: autodoc2_docstrings_parser
```

````{py:attribute} x
:canonical: nexusLIMS.schemas.metadata.StagePosition.x

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.x
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} y
:canonical: nexusLIMS.schemas.metadata.StagePosition.y

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.y
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} z
:canonical: nexusLIMS.schemas.metadata.StagePosition.z

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.z
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} rotation
:canonical: nexusLIMS.schemas.metadata.StagePosition.rotation

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.rotation
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} tilt_alpha
:canonical: nexusLIMS.schemas.metadata.StagePosition.tilt_alpha

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.tilt_alpha
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} tilt_beta
:canonical: nexusLIMS.schemas.metadata.StagePosition.tilt_beta

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.tilt_beta
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} model_config
:canonical: nexusLIMS.schemas.metadata.StagePosition.model_config

```{autodoc2-docstring} nexusLIMS.schemas.metadata.StagePosition.model_config
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} NexusMetadata(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.NexusMetadata

Bases: {py:obj}`pydantic.BaseModel`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata
:parser: autodoc2_docstrings_parser
```

````{py:attribute} creation_time
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.creation_time

**Type:** str

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.creation_time
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} data_type
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.data_type

**Type:** str

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.data_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} dataset_type
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.dataset_type

**Type:** typing.Literal[Image, Spectrum, SpectrumImage, Diffraction, Misc, Unknown]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.dataset_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} data_dimensions
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.data_dimensions

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.data_dimensions
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} instrument_id
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.instrument_id

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.instrument_id
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} warnings
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.warnings

**Type:** list[str | list[str]]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.warnings
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} nexuslims_extraction
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.nexuslims_extraction

**Type:** nexusLIMS.schemas.metadata.ExtractionDetails | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.nexuslims_extraction
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} extensions
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.extensions

**Type:** typing.Dict[str, typing.Any]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.extensions
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} model_config
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.model_config

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.model_config
:parser: autodoc2_docstrings_parser
```

````

````{py:method} validate_iso_timestamp(v: str) -> str
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.validate_iso_timestamp
:classmethod:

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.validate_iso_timestamp
:parser: autodoc2_docstrings_parser
```

````

````{py:method} validate_data_type_not_empty(v: str) -> str
:canonical: nexusLIMS.schemas.metadata.NexusMetadata.validate_data_type_not_empty
:classmethod:

```{autodoc2-docstring} nexusLIMS.schemas.metadata.NexusMetadata.validate_data_type_not_empty
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} ImageMetadata(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.ImageMetadata

Bases: {py:obj}`nexusLIMS.schemas.metadata.NexusMetadata`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata
:parser: autodoc2_docstrings_parser
```

````{py:attribute} dataset_type
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.dataset_type

**Type:** typing.Literal[Image]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.dataset_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} acceleration_voltage
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.acceleration_voltage

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.acceleration_voltage
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} working_distance
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.working_distance

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.working_distance
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} beam_current
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.beam_current

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.beam_current
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} emission_current
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.emission_current

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.emission_current
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} dwell_time
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.dwell_time

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.dwell_time
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} magnification
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.magnification

**Type:** float | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.magnification
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} horizontal_field_width
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.horizontal_field_width

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.horizontal_field_width
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} vertical_field_width
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.vertical_field_width

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.vertical_field_width
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} pixel_width
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.pixel_width

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.pixel_width
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} pixel_height
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.pixel_height

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.pixel_height
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} scan_rotation
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.scan_rotation

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.scan_rotation
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} detector_type
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.detector_type

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.detector_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} acquisition_device
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.acquisition_device

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.acquisition_device
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} stage_position
:canonical: nexusLIMS.schemas.metadata.ImageMetadata.stage_position

**Type:** nexusLIMS.schemas.metadata.StagePosition | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.ImageMetadata.stage_position
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} SpectrumMetadata(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata

Bases: {py:obj}`nexusLIMS.schemas.metadata.NexusMetadata`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata
:parser: autodoc2_docstrings_parser
```

````{py:attribute} dataset_type
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.dataset_type

**Type:** typing.Literal[Spectrum]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.dataset_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} acquisition_time
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.acquisition_time

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.acquisition_time
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} live_time
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.live_time

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.live_time
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} detector_energy_resolution
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.detector_energy_resolution

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.detector_energy_resolution
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} channel_size
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.channel_size

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.channel_size
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} starting_energy
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.starting_energy

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.starting_energy
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} azimuthal_angle
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.azimuthal_angle

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.azimuthal_angle
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} elevation_angle
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.elevation_angle

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.elevation_angle
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} takeoff_angle
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.takeoff_angle

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.takeoff_angle
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} elements
:canonical: nexusLIMS.schemas.metadata.SpectrumMetadata.elements

**Type:** list[str] | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumMetadata.elements
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} SpectrumImageMetadata(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.SpectrumImageMetadata

Bases: {py:obj}`nexusLIMS.schemas.metadata.ImageMetadata`, {py:obj}`nexusLIMS.schemas.metadata.SpectrumMetadata`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata
:parser: autodoc2_docstrings_parser
```

````{py:attribute} dataset_type
:canonical: nexusLIMS.schemas.metadata.SpectrumImageMetadata.dataset_type

**Type:** typing.Literal[SpectrumImage]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata.dataset_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} pixel_time
:canonical: nexusLIMS.schemas.metadata.SpectrumImageMetadata.pixel_time

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata.pixel_time
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} scan_mode
:canonical: nexusLIMS.schemas.metadata.SpectrumImageMetadata.scan_mode

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata.scan_mode
:parser: autodoc2_docstrings_parser
```

````

````{py:method} validate_spectrum_image_fields() -> nexusLIMS.schemas.metadata.SpectrumImageMetadata
:canonical: nexusLIMS.schemas.metadata.SpectrumImageMetadata.validate_spectrum_image_fields

```{autodoc2-docstring} nexusLIMS.schemas.metadata.SpectrumImageMetadata.validate_spectrum_image_fields
:parser: autodoc2_docstrings_parser
```

````

`````

`````{py:class} DiffractionMetadata(/, **data: typing.Any)
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata

Bases: {py:obj}`nexusLIMS.schemas.metadata.NexusMetadata`

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata
:parser: autodoc2_docstrings_parser
```

````{py:attribute} dataset_type
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata.dataset_type

**Type:** typing.Literal[Diffraction]

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata.dataset_type
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} camera_length
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata.camera_length

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata.camera_length
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} convergence_angle
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata.convergence_angle

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata.convergence_angle
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} acceleration_voltage
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata.acceleration_voltage

**Type:** {py:data}`PintQuantity <nexusLIMS.schemas.pint_types.PintQuantity>` | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata.acceleration_voltage
:parser: autodoc2_docstrings_parser
```

````

````{py:attribute} acquisition_device
:canonical: nexusLIMS.schemas.metadata.DiffractionMetadata.acquisition_device

**Type:** str | None

```{autodoc2-docstring} nexusLIMS.schemas.metadata.DiffractionMetadata.acquisition_device
:parser: autodoc2_docstrings_parser
```

````

`````