174 lines
9.7 KiB
ReStructuredText
174 lines
9.7 KiB
ReStructuredText
Each optical component consists of the basic tag ``<optical_component>`` and the attribute ``type`` and possible other
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component-specific attributes.
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.. code-block:: xml
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<optical_component type="Mirror"/>
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Attributes:
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* | **type:** str
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| The type of the optical component. This can be one of the following types.
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Atmosphere
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----------
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This component models the behaviour of an atmosphere which has a spectral transmittance and a spectral emission.
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.. code-block:: xml
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<optical_component type="Atmosphere" transmittance="PathToTransmittanceFile" emission="PathToEmissionFile"/>
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Attributes:
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* | **transmittance:** str
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **emission:** str, *optional*
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| The path to the file containing the spectral radiance of the emission. For details on the required file structure see also :ref:`reading_csv`.
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StrayLight
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----------
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This component allows to model generic noise sources like stray light or zodiacal light from a file containing the spectral radiance of the emission.
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.. code-block:: xml
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<optical_component type="StrayLight" emission="PathToEmissionFile"/>
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Attributes:
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* | **emission:** str, *optional*
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| The path to the file containing the spectral radiance of the emission. For details on the required file structure see also :ref:`reading_csv`.
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CosmicBackground
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----------------
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This component allows to model generic black body noise sources like the cosmic background.
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.. code-block:: xml
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<optical_component type="CosmicBackground" temp="2.7" temp_unit="K" emissivity="1.0"/>
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Attributes:
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* | **temp:** float
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| The temperature of the black body.
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* | **temp_unit:** str, *optional* = "K"
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| The unit of the black body's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **emissivity:** float, *optional*
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| The emissivity of the cosmic background.
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Mirror
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------
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Model a mirror including the mirror's thermal emission as well as possible obstruction of the mirror and the thermal emission of the obstructing component.
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.. code-block:: xml
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<optical_component type="Mirror" reflectance="PathToReflectance" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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Attributes:
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* | **reflectance:** str
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| The path to the file containing the spectral reflectance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **emissivity:** str, *optional*
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| The path to the file containing the spectral emissivity coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **temp:** float, *optional*
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| The temperature of the mirror for the thermal emission.
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* | **temp_unit:** str, *optional*
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| The unit of the mirror's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstruction:** float, *optional*
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| The obstruction factor of the mirror as ratio of the areas A\ :sub:`obstructor` / A\ :sub:`mirror`.
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* | **obstructor_temp:** float, *optional*
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| The temperature of the obstructing component for the thermal emission.
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* | **obstructor_temp_unit:** str, *optional*
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| The unit of the obstructing component's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstructor_emissivity:** float, *optional*
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| The emissivity of the obstructing component for the thermal emission. Valid ranges are 0.0 - 1.0. The default is 1.0.
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Lens
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----
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Model a lens including the lens' thermal emission as well as possible obstruction of the lens and the thermal emission of the obstructing component.
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.. code-block:: xml
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<optical_component type="Lens" transmittance="PathToTransmittance" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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Attributes:
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* | **transmittance:** str
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **emissivity:** str, *optional*
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| The path to the file containing the spectral emissivity coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **temp:** float, *optional*
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| The temperature of the lens for the thermal emission.
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* | **temp_unit:** str, *optional*
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| The unit of the lens' temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstruction:** float, *optional*
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| The obstruction factor of the lens as ratio of the areas A\ :sub:`obstructor` / A\ :sub:`lens`.
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* | **obstructor_temp:** float, *optional*
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| The temperature of the obstructing component for the thermal emission.
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* | **obstructor_temp_unit:** str, *optional*
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| The unit of the obstructing component's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstructor_emissivity:** float, *optional*
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| The emissivity of the obstructing component for the thermal emission. Valid ranges are 0.0 - 1.0. The default is 1.0.
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BeamSplitter
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------------
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Model a beam splitter including the beam splitter's thermal emission as well as possible obstruction of the beam splitter and the thermal emission of the obstructing component.
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.. code-block:: xml
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<optical_component type="BeamSplitter" transmittance="PathToTransmittance" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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Attributes:
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* | **transmittance:** str
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **emissivity:** str, *optional*
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| The path to the file containing the spectral emissivity coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **temp:** float, *optional*
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| The temperature of the beam splitter for the thermal emission.
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* | **temp_unit:** str, *optional*
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| The unit of the beam splitter's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstruction:** float, *optional*
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| The obstruction factor of the beam splitter as ratio of the areas A\ :sub:`obstructor` / A\ :sub:`beam splitter`.
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* | **obstructor_temp:** float, *optional*
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| The temperature of the obstructing component for the thermal emission.
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* | **obstructor_temp_unit:** str, *optional*
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| The unit of the obstructing component's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstructor_emissivity:** float, *optional*
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| The emissivity of the obstructing component for the thermal emission. Valid ranges are 0.0 - 1.0. The default is 1.0.
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Filter
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------
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Model a beam splitter including the beam splitter's thermal emission as well as possible obstruction of the beam splitter and the thermal emission of the obstructing component.
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.. code-block:: xml
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<optical_component type="Filter" transmittance="PathToTransmittance" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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.. code-block:: xml
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<optical_component type="Filter" band="M" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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.. code-block:: xml
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<optical_component type="Filter" start="400" start_unit="nm" end="480" end_unit="nm" emissivity="PathToEmissivity" temp="70" temp_unit="K" obstruction="0.2" obstructor_temp="70" obstructor_temp_unit="K" obstructor_emissivity="0.9"/>
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Attributes:
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* | **transmittance:** str
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| The path to the file containing the spectral transmittance coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **band:** str
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| The spectral Band of the filter. This has to be one of [``U``, ``B``, ``V``, ``R``, ``I``, ``J``, ``H``, ``K``, ``L``, ``M``, ``N``]
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* | **start:** float
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| The start wavelength of the pass band of the filter.
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* | **start_unit:** str
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| The unit of the start wavelength. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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* | **end:** float
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| The end wavelength of the pass band of the filter.
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* | **end_unit:** str
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| The unit of the end wavelength. This has to be one of [``m``, ``cm``, ``mm``, ``um``, ``nm``, ``pm``]. The default is ``m``.
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* | **emissivity:** str, *optional*
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| The path to the file containing the spectral emissivity coefficients. For details on the required file structure see also :ref:`reading_csv`.
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* | **temp:** float
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| The temperature of the beam splitter for the thermal emission.
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* | **temp_unit:** str, *optional*
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| The unit of the beam splitter's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstruction:** float, *optional*
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| The obstruction factor of the beam splitter as ratio of the areas A\ :sub:`obstructor` / A\ :sub:`filter`.
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* | **obstructor_temp:** float, *optional*
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| The temperature of the obstructing component for the thermal emission.
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* | **obstructor_temp_unit:** str, *optional*
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| The unit of the obstructing component's temperature. This has to be one of [``K``, ``Celsius``]. The default is ``K``.
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* | **obstructor_emissivity:** float, *optional*
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| The emissivity of the obstructing component for the thermal emission. Valid ranges are 0.0 - 1.0. The default is 1.0. |