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Spectrum_type value

UCD (existing ones only)

Comment / proposed (but do not exist)

 raw


xxx;stat.uncalib
(if it means: raw data…)

 transmission

phys.transmission


 absorbance

phys.absorption ??

phys.absorbance

 normalized absorbance

phys.absorption;arith.ratio ??

phys.absorbance;arith.ratio 

 optical depth

phys.absorption.opticalDepth


 absorption coefficient

phys.absorption.coeff


scattering coefficient 
phys.scattering.coeff (proposed for atmospheric studies)
extinction coefficient

obs.atmos.extinction

 refers to an integrated quantity

phys.extinction.coeff (proposed for atmospheric studies)

 optical constants

phys.refractIndex


 ATR transmission

phys.transmission


 ATR absorbance

phys.absorbance


 complex admittance



 complex impedance



 relative complex permittivity

phys.dielectric


 dielectric loss tangent



 relative complex permeability



 magnetic loss tangent



 bidirectional reflectance

phys.reflectance.bidirectional

= r = I/πF
Accepted Feb 2018

 bidirectional reflectance distribution function

phys.reflectance.bidirectional.df

= r / µ0 = BRDF
Weird, but agreed Feb 2018

 radiance factor

phys.reflectance

= πr = RADF = I/F
Accepted Feb 2018

 reflectance factor

phys.reflectance.factor

= πr / µ0 = REFF
Weird, but agreed Feb 2018

 normalized reflectance

phys.reflectance;arith.ratio

Normalized to a std wvl
(not with a coef)

 albedo

phys.albedo


 normalized Stokes parameters

phys.polarization.stokes

(all)

 normalized Stokes parameter Q

phys.polarization.stokes.Q


 normalized Stokes parameter U

phys.polarization.stokes.U


 normalized Stokes parameter V

phys.polarization.stokes.V


 normalized Stokes parameter I

phys.polarization.stokes.I


 polarization contrast

phys.polarization ??

phys.polarization.linear ??
=>reduced Pq

 degree of linear polarization

phys.polarization.linear

phys.polarization.linear.total ??

 polarization position angle

phys.polarization.rotMeasure ??

phys.polarization.angle??

 degree of circular polarization

phys.polarization.circular

reduced Pv

 thermal emission



 thermal radiance

phot.radiance

Can be reflected also (at least for observations)

 thermal emittance



 thermal emissivity

phys.emissivity


 scattering intensity

phys.absorption ??

phys.scattering - seems required, with subcategories (crossSection, absorption, extinction, albedo, + possibly coefficient for atm studies - TBC)

 differential scattering cross section

phys.atmol.crossSection;arith.diff ??

phys.scattering.crossSection ??

- Need arith.ang for angular distributions?

 normalized differential scattering cross section

phys.atmol.crossSection;arith.diff;arith.ratio ??

phys.scattering.crossSection;arith.ratio ??

 scattering cross section

phys.atmol.crossSection ??

phys.scattering.crossSection??

 absorption cross section

phys.atmol.crossSection ??

phys.scattering.absorption.crossSection

 extinction cross section

phys.atmol.crossSection ??

phys.scattering.extinction.crossSection

 scattering efficiency factor

phys.absorption ??

phys.scattering.crossSection;arith.ratio

(ratio of cross-section to the geometrical cross-section)

 absorption efficiency factor

phys.absorption ??

phys.scattering.absorption.crossSection;arith.ratio

 extinction efficiency factor

phys.absorption ??

phys.scattering.extinction.crossSection;arith.ratio

 single scattering albedo


phys.scattering.albedo

 Raman scattering intensity


phys.raman.scattering (lesser priority)

 normalized Raman scattering intensity


phys.raman.scattering;arith.ratio (lesser priority)

 Raman scattering coefficient


phys.raman.scattering.coeff (lesser priority)

 Raman scattering efficiency


phys.raman.scattering.efficiency (lesser priority)

 fluorescence emission


phys.fluo.emission (lesser priority)

 normalized fluorescence emission


phys.fluo.emission;arith.ratio (lesser priority)

 fluorescence emission efficiency


phys.fluo.emission.efficiency (lesser priority)

Band lists

spect.line.intensity

spect.line.width

spect.line;em.freq

Species:
meta.id;phys.atmol

Transition:
meta.id;spect;phys.atmol.transition (seen in an astro service)
 or simply
phys.atmol.transition ?

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