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WHAT(1) > 0.0: minimum wavelength (in cm) for optical photon transport = 0.0: ignored < 0.0: resets to default Default: 2.50E5 (250 nm) WHAT(2) > 0.0: central wavelength (in cm) for optical photon transport = 0.0: ignored < 0.0: resets to default Default: 5.89E5 ((589 nm, Na D line) WHAT(3) > 0.0: maximum wavelength (in cm) for optical photon transport = 0.0: ignored < 0.0: resets to default Default: 6.00E5 (600 nm) WHAT(46): assignment to materials, see below SDUM = WVLIMIT For SDUM = OMLIMIT: defines angular frequency range for optical photon transport WHAT(1) > 0.0: minimum angular frequency for optical photon transport omega = 2pi x frequency (in rad/s) = 0.0: ignored < 0.0: resets to default Default: 3.14E15 rad/s (corresponding to 600 nm) WHAT(2) > 0.0: central angular frequency for optical photon transport omega = 2pi x frequency (in rad/s) = 0.0: ignored < 0.0: resets to default Default: 3.20E15 rad/s (corresponding to 589 nm, Na D line) WHAT(3) > 0.0: maximum angular frequency for optical photon transport omega = 2pi x frequency (in rad/s) = 0.0: ignored < 0.0: resets to default Default: 7.53E15 rad/s (corresponding to 250 nm) WHAT(46): assignment to materials, see below SDUM = OMLIMIT For SDUM = RESET: all optical properties are zeroed WHAT(13) = no meaning WHAT(46): assignment to materials, see below SDUM = RESET For SDUM = METAL: flag the material as a metal WHAT(1) = 1st optical property (not used at the moment) WHAT(2) = 2nd optical property (not used at the moment) WHAT(3) = 3rd optical property: (1r), where r is the reflectivity index at the central wavelength (or at the central angular frequency, depending on which one of the two quantities has been defined). See also Note 2 Default = 0.0 WHAT(46): assignment to materials, see below SDUM = METAL For SDUM = blank: WHAT(1) = 1st optical property: refraction index at the central wavelength (or at the central angular frequency, depending on which one of the two quantities has been defined) < 99: forces to use user routine RFRNDX (see Note 1) Default = 1.0 WHAT(2) = 2nd optical property: absorption coefficient (cm^1) at the central wavelength (or at the central angular frequency, depending on which one of the two quantities has been defined) < 99: forces to use user routine ABSCFF (see Note 1) Default = 0.0 WHAT(3) = 3rd optical property: diffusion coefficient (cm^1) at the central wavelength (or at the central angular frequency, depending on which one of the two quantities has been defined) < 99: forces to use user routine DFFCFF (see Note 1) Default = 0.0 WHAT(46): assignment to materials, see below SDUM = blank For SDUM containing &1 (resp. &2) (resp. &3): WHAT(1) = 4th (resp. 7th) (resp. 10th) optical property of the material (derivatives of the refraction index, see Note 2 below) Default = 0.0 WHAT(2) = 5th (resp. 8th) (resp. 11th) optical property of the material (derivatives of the absorption coefficient, see Note 2 below) Default = 0.0 WHAT(3) = 6th (resp. 9th) (resp. 12th) optical property of the material (derivatives of the diffusion coefficient, see Note 2 below) Default = 0.0 WHAT(46): assignment to materials, see below SDUM = &1, &2 or &3 For all previous SDUM's: WHAT(4) = lower bound of the indices of materials to which the indicated optical properties refer From material WHAT(4)... Default = 3 WHAT(5) = upper bound of the indices of materials to which the indicated optical properties refer ...To material WHAT(5)... Default = WHAT(4) WHAT(6) = ... in step of WHAT(6) Default = 1 For SDUM = SENSITIV: sets up the optical photon detection sensitivity parameters (See also SDUM = WVSENSI, SDUM = OMSENSI, Note 3 below and the examples in Chap. (12)) WHAT(1) = 0th photon sensitivity parameter < 99: forces to use user routine QUEFFC (see Note 1) WHAT(2) = 1st optical property (not used at the moment) WHAT(3) = 2nd optical property (not used at the moment) WHAT(4) = 3rd optical property: (1r), where r is the reflectivity index at the central wavelength (or at the central angular frequency, depending on which one of the two quantities has been defined). See also Note 2 Default = 0.0 WHAT(5) = maximum optical photon sensitivity over the allowed range (must be consistent with the previous values). It can be overestimated. Default = 1.0 WHAT(6) : not used SDUM = SENSITIV For SDUM = WVSENSI: setup the wavelength of the optical photon sensitivity (See also SDUM = SENSITIV, SDUM = OMSENSI and Note 3 below) WHAT(1) > 0.0: minimum wavelength (in cm) for optical photon sensitivity = 0.0: ignored < 0.0: resets to default Default = 2.5 x 1.0E5 (250 nm) WHAT(2) > 0.0: central wavelength (in cm) for optical photon sensitivity = 0.0: ignored < 0.0: resets to default Default = 5.89 x 1.0E5 (589 nm, Na D line) WHAT(3) > 0.0: maximum wavelength (in cm) for optical photon sensitivity = 0.0: ignored < 0.0: resets to default Default = 6.0 x 1.0E5 (600 nm) WHAT(4)WHAT(6): not used SDUM = WVSENSI For SDUM = OMSENSI: setup the angular frequency of the optical photon sensitivity (See also SDUM = SENSITIV, SDUM = WVSENSI and Note 3 below) WHAT(1) > 0.0: minimum angular frequency for optical photon sensitivity omega = 2 pi x frequency in rad/s = 0.0: ignored < 0.0: resets to default Default = 3.14E15 rad/s (corresponding to 600 nm) WHAT(2) > 0.0: central angular frequency for optical photon sensitivity omega = 2 pi x frequency in rad/s = 0.0: ignored < 0.0: resets to default Default = 3.20E15 rad/s (corresponding to 589 nm, Na D line) WHAT(3) > 0.0: maximum angular frequency for optical photon sensitivity omega = 2 pi x frequency in rad/s Default = 7.53E15 rad/s (corresponding to 250 nm) WHAT(4)WHAT(6): not used SDUM = OMSENSI For SDUM = SPECBDX: flags special boundary crossings for optical photons At the selected boundary crossings special user defined properties are defined by means of the user routine OPHBDX (see Note 1 below). A maximum of 40 boundaries can be flagged by issuing option OPTPROP with SDUM = SPECBDX as many times as needed. WHAT(1) >= 1.0: special boundary treatment activated for the nth+1 boundary = 0.0: ignored =< 1.0: special boundary treatment deactivated for the nth+1 boundary WHAT(2) = One of the two regions defining the nth+1 boundary WHAT(3) = The other region defining the nth+1 boundary WHAT(4) >= 1.0: special boundary treatment activated for the nth+2 boundary = 0.0: ignored =< 1.0: special boundary treatment deactivated for the nth+2 boundary WHAT(5) = One of the two regions defining the nth+2 boundary WHAT(6) = The other region defining the nth+2 boundary SDUM = SPECBDX Default (option OPTPROP not given): no optical photon transport Notes:
x = ( lambda  lambda_central ) / lambda_central or x = ( omega  omega_central ) / omega_central
If SDUM = blank: 1) refraction index n_refr 2) absorption coefficient mu_abs 3) diffusion coefficient mu_diff If SDUM = METAL: 1) (not implemented yet) 2) (not implemented yet), 3) (1r) (r = reflectivity index) The 4th, 5th, 6th material properties are: d n_refr/ dx, d mu_abs/dx, d mu_diff/dx the 7th, 8th, 9th material properties are: d2 n_refr/ dx^2, d2 mu_abs/dx^2, d2 mu_diff/dx^2 the 10th, 11th, 12th material properties are: d3 n_refr/ dx^3, d3 mu_abs/dx^3, d3 mu_diff/dx^3
x = (lambda  lambda_central)/lambda_central or x = (omega  omega_central)/omega_central Example 1: * Optical photon transport requested between 3.E15 and 7.E15 rad/s * (4.77E5 and 1.11E6 GHz, or 314 to 628 nm) for materials 6,9,12,15 and 18 *...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8 OPTPROP 3.E15 6.E15 7.E15 6.0 18.0 3. OMLIMIT * User routine USRMED called when an optical photon is going to be transported * in materials 6, 12 and 18 MATPROP 1.0 0.0 0.0 6.0 18.0 6. USERDIRE Example 2: * Material 11 has a reflectivity index = 0.32 *...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8 OPTPROP 0.0 0.0 0.32 11.0 0.0 0. METAL Example 3: * *...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8 * Optical photon transport requested between 300 and 600 nm for water. * (material 9). The optical properties are for the Na D line (589 nm) MATERIAL 1.0 1.0 .0000899 3.0 0.0 1. HYDROGEN MATERIAL 8.0 16.0 0.00143 5.0 0.0 0. OXYGEN MATERIAL 0.0 0.0 1.0 21.0 0.0 0. WATER COMPOUND 2.0 3.0 1.0 5.0 0.0 0. WATER OPTPROP 3.E5 5.89E5 6.E5 21.0 0.0 0. WVLIMIT * diffusion coefficient of water from Appl.Opt. 17, 3587 (1978) OPTPROP 1.33299 0.0013 1.220 21.0 0.0 0. 
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