34 lines
761 B
Python
34 lines
761 B
Python
# unit conversions, mostly for standalone usage
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# TODO avoid importing the "heavy" qpms parts
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from scipy.constants import epsilon_0 as ε_0, c, pi as π, e as eV, hbar, hbar as ℏ, mu_0 as μ_0
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pi = π
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μm = 1e-6
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nm = 1e-9
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# "SCUFF FREQUENCY UNIT"
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SU = 3e14
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SCUFF_OMEGAUNIT = SU
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#freqs = freqs_weirdunits * c / μm
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def nm2eV(lambda_nm, n = 1):
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return 2*π*c/(n * lambda_nm * nm) / (eV / ℏ)
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def eV2nm(e_eV, n = 1):
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return 2*π*c/(n * e_eV * (eV/ℏ)) / nm
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def SU2eV(e_SU):
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'''
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Scuff frequency units to eV.
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'''
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return e_SU * SU / (eV / ℏ)
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def eV2SU(e_eV):
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return e_eV * (eV / ℏ) / SU
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def SU2nm(e_SU, n = 1):
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return 2*π*c/(n * e_SU * SU) / nm
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def nm2SU(lambda_nm, n = 1):
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return 2*π*c/(n * lambda_nm * nm) / SU
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