esbo_ds/ESBO-ETC
esbo_ds/ESBO-ETC
11
0
Fork 1
Code Issues 1 Pull Requests Releases 1 Wiki Activity

Return thermal radiation as lambda

Browse Source
This commit is contained in:
Lukas Klass 2020-04-14 19:58:23 +02:00
parent 5f0af43b79
commit b809951fc7
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
esbo_etc/classes/optical_component/AHotOpticalComponent.py
View File

@ -3,7 +3,8 @@ from esbo_etc.classes.ITransmissive import ITransmissive
from esbo_etc.classes.SpectralQty import SpectralQty from esbo_etc.classes.SpectralQty import SpectralQty
from abc import abstractmethod from abc import abstractmethod
import astropy.units as u import astropy.units as u
from astropy.modeling.models import BlackBody from esbo_etc.lib.helpers import gb_factory
from typing import Union, Callable
class AHotOpticalComponent(AOpticalComponent): class AHotOpticalComponent(AOpticalComponent):
@ -12,7 +13,7 @@ class AHotOpticalComponent(AOpticalComponent):
""" """
@abstractmethod @abstractmethod
@u.quantity_input(wl_bins='length', temp=[u.Kelvin, u.Celsius]) @u.quantity_input(wl_bins='length', temp=[u.Kelvin, u.Celsius])
def __init__(self, parent: ITransmissive, emissivity: SpectralQty, wl_bins: u.Quantity, temp: u.Quantity): def __init__(self, parent: ITransmissive, emissivity: SpectralQty, temp: u.Quantity):
""" """
Initialize a new optical component with thermal emission Initialize a new optical component with thermal emission
@ -22,8 +23,6 @@ class AHotOpticalComponent(AOpticalComponent):
The parent element of the optical component from which the electromagnetic radiation is received. The parent element of the optical component from which the electromagnetic radiation is received.
emissivity : SpectralQty emissivity : SpectralQty
The spectral emissivity coefficient for the optical surface. The spectral emissivity coefficient for the optical surface.
wl_bins : Quantity
Wavelengths used for binning
temp: Quantity in Kelvin / Celsius temp: Quantity in Kelvin / Celsius
Temperature of the optical component Temperature of the optical component
""" """
@ -31,18 +30,22 @@ class AHotOpticalComponent(AOpticalComponent):
super().__init__(parent) super().__init__(parent)
if temp > 0 * u.K: if temp > 0 * u.K:
# Create noise from black body model # Create noise from black body model
bb = BlackBody(temperature=temp, scale=1. * u.W / (u.m ** 2 * u.nm * u.sr)) if isinstance(emissivity, SpectralQty):
self._noise = SpectralQty(wl_bins, bb(wl_bins)) * emissivity bb = gb_factory(temp)
self._noise = SpectralQty(emissivity.wl, bb(emissivity.wl)) * emissivity
else:
bb = gb_factory(temp, emissivity)
self._noise = bb
else: else:
self._noise = 0 self._noise = 0
def ownNoise(self) -> SpectralQty: def ownNoise(self) -> Union[SpectralQty, Callable, int, float]:
""" """
Calculate the noise created by the optical component Calculate the noise created by the optical component
Returns Returns
------- -------
noise : SpectralQty noise : Union[SpectralQty, Callable, int, float]
The noise created by the optical component The noise created by the optical component
""" """
return self._noise return self._noise