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<lccdd>
  <properties>
    <matrix name="RINDEX__Vacuum" coldim="2" values="
      1.0*eV 1.0
      5.1*eV 1.0
      "/>
    <matrix name="RINDEX__Air" coldim="2" values="
      1.0*eV 1.00029
      5.1*eV 1.00029
      "/>
    <matrix name="RINDEX__Quartz" coldim="2" values="
      1.0*eV 1.46
      5.1*eV 1.46
      "/>
    <matrix name="RINDEX__N2" coldim="2" values="
      1.0*eV 1.00033
      4.0*eV 1.00033
      5.1*eV 1.00033
      "/>
    <matrix name="RINDEX__Pyrex" coldim="2" values="
      1.0*eV 1.5
      4.0*eV 1.5
      5.1*eV 1.5
      "/>
    <matrix name="ABSLENGTH__Pyrex" coldim="2" values="
      1.0*eV 10.0*cm
      4.0*eV 10.0*cm
      5.1*eV 10.0*cm
      "/>
    <matrix name= "REFLECTIVITY_mirror" coldim="2" values="
      1.0*eV  0.9
      4.0*eV  0.9
      5.1*eV  0.9
      "/>
    <matrix name="RINDEX__Aerogel" coldim="2" values="
      1.0*eV 1.030
      4.0*eV 1.030
      5.1*eV 1.030
      "/>
    <matrix name="ABSLENGTH__Aerogel" coldim="2" values="
      1.0*eV 4.0*cm
      4.0*eV 4.0*cm
      5.1*eV 4.0*cm
      "/>
    <matrix name="RINDEX__Acrylic" coldim="2" values="
      1240*eV/1100  1.49
      1240*eV/600   1.49
      1240*eV/400   1.49
      "/>
    <matrix name="ABSLENGTH__Acrylic" coldim="2" values="
      1240*eV/1100 2631*mm
      1240*eV/1000 2631*mm
      1240*eV/900  2631*mm
      1240*eV/800  2631*mm
      1240*eV/700  2500*mm
      1240*eV/600  2272*mm
      1240*eV/500  2000*mm
      1240*eV/400  1315*mm
      1240*eV/300  1613*mm
      1240*eV/250  740*mm
      1240*eV/225  125*mm
      1240*eV/210  10*mm
      1240*eV/200  0*mm
      "/>
    <!-- BEGIN dRICh material properties
         - dumped from fun4all implementation
         - see https://github.com/cisbani/dRICh/blob/main/share/source/g4dRIChOptics.hh
         -->
    <!-- dRICh gas -->
    <matrix name="RINDEX__C2F6_DRICH" coldim="2" values="
      1.7712*eV   1.00075
      1.92389*eV  1.00075
      2.10539*eV  1.00075
      2.3247*eV   1.00075
      2.59502*eV  1.00076
      2.93647*eV  1.00076
      3.38139*eV  1.00077
      3.98521*eV  1.00078
      4.85156*eV  1.0008
      6.19921*eV  1.00084
      "/>
    <matrix name="ABSLENGTH__C2F6_DRICH" coldim="2" values="
      1.7712*eV   1000*mm
      1.92389*eV  1000*mm
      2.10539*eV  1000*mm
      2.3247*eV   1000*mm
      2.59502*eV  1000*mm
      2.93647*eV  1000*mm
      3.38139*eV  1000*mm
      3.98521*eV  1000*mm
      4.85156*eV  1000*mm
      6.19921*eV  1000*mm
      "/>
    <!-- dRICh aerogel -->
    <matrix name="RINDEX__Aerogel_DRICH" coldim="2" values="
      1.87855*eV  1.01638
      1.96673*eV  1.01642
      2.0549*eV   1.01647
      2.14308*eV  1.01652
      2.23126*eV  1.01657
      2.31943*eV  1.01662
      2.40761*eV  1.01667
      2.49579*eV  1.01673
      2.58396*eV  1.01679
      2.67214*eV  1.01685
      2.76032*eV  1.01691
      2.84849*eV  1.01698
      2.93667*eV  1.01705
      3.02485*eV  1.01712
      3.11302*eV  1.01719
      3.2012*eV   1.01727
      3.28938*eV  1.01734
      3.37755*eV  1.01742
      3.46573*eV  1.01751
      3.55391*eV  1.01759
      3.64208*eV  1.01768
      3.73026*eV  1.01777
      3.81844*eV  1.01787
      3.90661*eV  1.01796
      3.99479*eV  1.01806
      4.08297*eV  1.01816
      4.17114*eV  1.01827
      4.25932*eV  1.01838
      4.3475*eV   1.01849
      4.43567*eV  1.0186
      4.52385*eV  1.01872
      4.61203*eV  1.01884
      4.7002*eV   1.01897
      4.78838*eV  1.01909
      4.87656*eV  1.01922
      4.96473*eV  1.01936
      5.05291*eV  1.0195
      5.14109*eV  1.01964
      5.22927*eV  1.01979
      5.31744*eV  1.01994
      5.40562*eV  1.02009
      5.4938*eV   1.02025
      5.58197*eV  1.02041
      5.67015*eV  1.02057
      5.75833*eV  1.02074
      5.8465*eV   1.02092
      5.93468*eV  1.0211
      6.02286*eV  1.02128
      6.11103*eV  1.02147
      6.19921*eV  1.02167
      "/>
    <matrix name="ABSLENGTH__Aerogel_DRICH" coldim="2" values="
      1.87855*eV  154*mm
      1.96673*eV  156.17*mm
      2.0549*eV   158.154*mm
      2.14308*eV  159.974*mm
      2.23126*eV  161.651*mm
      2.31943*eV  163.2*mm
      2.40761*eV  164.636*mm
      2.49579*eV  165.97*mm
      2.58396*eV  167.213*mm
      2.67214*eV  168.374*mm
      2.76032*eV  169.461*mm
      2.84849*eV  170.481*mm
      2.93667*eV  171.439*mm
      3.02485*eV  172.342*mm
      3.11302*eV  173.193*mm
      3.2012*eV   173.998*mm
      3.28938*eV  174.759*mm
      3.37755*eV  175.481*mm
      3.46573*eV  176.165*mm
      3.55391*eV  176.817*mm
      3.64208*eV  162.708*mm
      3.73026*eV  140.953*mm
      3.81844*eV  122.516*mm
      3.90661*eV  106.833*mm
      3.99479*eV  93.4428*mm
      4.08297*eV  81.9694*mm
      4.17114*eV  72.1072*mm
      4.25932*eV  63.6011*mm
      4.3475*eV   56.2434*mm
      4.43567*eV  49.8599*mm
      4.52385*eV  44.3054*mm
      4.61203*eV  39.4601*mm
      4.7002*eV   35.2211*mm
      4.78838*eV  31.5049*mm
      4.87656*eV  28.2374*mm
      4.96473*eV  25.359*mm
      5.05291*eV  22.8166*mm
      5.14109*eV  20.5674*mm
      5.22927*eV  18.5724*mm
      5.31744*eV  16.7992*mm
      5.40562*eV  15.2205*mm
      5.4938*eV   13.8125*mm
      5.58197*eV  12.5541*mm
      5.67015*eV  11.4277*mm
      5.75833*eV  10.4166*mm
      5.8465*eV   9.50928*mm
      5.93468*eV  8.69176*mm
      6.02286*eV  7.95608*mm
      6.11103*eV  7.29168*mm
      6.19921*eV  6.69064*mm
      "/>
    <matrix name="RAYLEIGH__Aerogel_DRICH" coldim="2" values="
      1.87855*eV  309.218*mm
      1.96673*eV  257.383*mm
      2.0549*eV   215.968*mm
      2.14308*eV  182.559*mm
      2.23126*eV  155.367*mm
      2.31943*eV  133.053*mm
      2.40761*eV  114.606*mm
      2.49579*eV  99.2482*mm
      2.58396*eV  86.3795*mm
      2.67214*eV  75.5291*mm
      2.76032*eV  66.3313*mm
      2.84849*eV  58.4918*mm
      2.93667*eV  51.777*mm
      3.02485*eV  45.998*mm
      3.11302*eV  41.0045*mm
      3.2012*eV   36.6696*mm
      3.28938*eV  32.8931*mm
      3.37755*eV  29.5904*mm
      3.46573*eV  26.6917*mm
      3.55391*eV  24.1402*mm
      3.64208*eV  21.8856*mm
      3.73026*eV  19.8884*mm
      3.81844*eV  18.1144*mm
      3.90661*eV  16.533*mm
      3.99479*eV  15.1206*mm
      4.08297*eV  13.856*mm
      4.17114*eV  12.7208*mm
      4.25932*eV  11.7005*mm
      4.3475*eV   10.7791*mm
      4.43567*eV  9.94752*mm
      4.52385*eV  9.1938*mm
      4.61203*eV  8.51136*mm
      4.7002*eV   7.88964*mm
      4.78838*eV  7.32468*mm
      4.87656*eV  6.80988*mm
      4.96473*eV  6.33864*mm
      5.05291*eV  5.907*mm
      5.14109*eV  5.51232*mm
      5.22927*eV  5.14932*mm
      5.31744*eV  4.81668*mm
      5.40562*eV  4.51044*mm
      5.4938*eV   4.22796*mm
      5.58197*eV  3.9666*mm
      5.67015*eV  3.72504*mm
      5.75833*eV  3.50196*mm
      5.8465*eV   3.29604*mm
      5.93468*eV  3.10464*mm
      6.02286*eV  2.92644*mm
      6.11103*eV  2.76144*mm
      6.19921*eV  2.607*mm
      "/>
    <!-- dRICh acrylic -->
    <matrix name="RINDEX__Acrylic_DRICH" coldim="2" values="
      4.13281*eV  1.5017
      4.22099*eV  1.5017
      4.30916*eV  1.5017
      4.39734*eV  1.5017
      4.48552*eV  1.5017
      4.57369*eV  1.5017
      4.66187*eV  1.5017
      4.75005*eV  1.5017
      4.83822*eV  1.5017
      4.9264*eV   1.5017
      5.01458*eV  1.5017
      5.10275*eV  1.5017
      5.19093*eV  1.5017
      5.27911*eV  1.5017
      5.36728*eV  1.5017
      5.45546*eV  1.5017
      5.54364*eV  1.5017
      5.63181*eV  1.5017
      5.71999*eV  1.5017
      5.80817*eV  1.5017
      5.89634*eV  1.5017
      5.98452*eV  1.5017
      6.0727*eV   1.5017
      6.16087*eV  1.5017
      6.24905*eV  1.5017
      6.33723*eV  1.5017
      6.4254*eV   1.5017
      6.51358*eV  1.5017
      6.60176*eV  1.5017
      6.68993*eV  1.5017
      6.77811*eV  1.5017
      6.86629*eV  1.5017
      6.95446*eV  1.5017
      7.04264*eV  1.5017
      7.13082*eV  1.5017
      7.21899*eV  1.5017
      7.30717*eV  1.5017
      7.39535*eV  1.5017
      7.48353*eV  1.5017
      7.5717*eV   1.5017
      7.65988*eV  1.5017
      7.74806*eV  1.5017
      7.83623*eV  1.5017
      7.92441*eV  1.5017
      8.01259*eV  1.5017
      8.10076*eV  1.5017
      8.18894*eV  1.5017
      8.27712*eV  1.5017
      8.36529*eV  1.5017
      8.45347*eV  1.5017
      "/>
    <matrix name="ABSLENGTH__Acrylic_DRICH" coldim="2" values="
      4.13281*eV  82.0704*mm
      4.22099*eV  36.9138*mm
      4.30916*eV  13.3325*mm
      4.39734*eV  5.03627*mm
      4.48552*eV  2.3393*mm
      4.57369*eV  1.36177*mm
      4.66187*eV  0.933192*mm
      4.75005*eV  0.708268*mm
      4.83822*eV  0.573082*mm
      4.9264*eV   0.483641*mm
      5.01458*eV  0.420282*mm
      5.10275*eV  0.373102*mm
      5.19093*eV  0.33662*mm
      5.27911*eV  0.307572*mm
      5.36728*eV  0.283902*mm
      5.45546*eV  0.264235*mm
      5.54364*eV  0.247641*mm
      5.63181*eV  0.233453*mm
      5.71999*eV  0.221177*mm
      5.80817*eV  0.210456*mm
      5.89634*eV  0.201012*mm
      5.98452*eV  0.192627*mm
      6.0727*eV   0.185134*mm
      6.16087*eV  0.178399*mm
      6.24905*eV  0.172309*mm
      6.33723*eV  0.166779*mm
      6.4254*eV   0.166779*mm
      6.51358*eV  0.166779*mm
      6.60176*eV  0.166779*mm
      6.68993*eV  0.166779*mm
      6.77811*eV  0.166779*mm
      6.86629*eV  0.166779*mm
      6.95446*eV  0.166779*mm
      7.04264*eV  0.166779*mm
      7.13082*eV  0.166779*mm
      7.21899*eV  0.166779*mm
      7.30717*eV  0.166779*mm
      7.39535*eV  0.166779*mm
      7.48353*eV  0.166779*mm
      7.5717*eV   0.166779*mm
      7.65988*eV  0.166779*mm
      7.74806*eV  0.166779*mm
      7.83623*eV  0.166779*mm
      7.92441*eV  0.166779*mm
      8.01259*eV  0.166779*mm
      8.10076*eV  0.166779*mm
      8.18894*eV  0.166779*mm
      8.27712*eV  0.166779*mm
      8.36529*eV  0.166779*mm
      8.45347*eV  0.166779*mm
      "/>
    <!-- END dRICh optical properties -->
  </properties>
  <materials>
    <material name="AirOptical">
      <D type="density" unit="g/cm3" value="0.0012"/>
      <fraction n="0.754" ref="N"/>
      <fraction n="0.234" ref="O"/>
      <fraction n="0.012" ref="Ar"/>
      <property name="RINDEX" ref="RINDEX__Air"/>
      <property name="ABSLENGTH"               coldim="2" values="1*eV  200*m  5*eV  200*m"/>
    </material>
    <material name="N2cherenkov">
      <D type="density" value="0.00125" unit="g/cm3"/>
      <composite n="1" ref="N"/>
      <property name="RINDEX"  ref="RINDEX__N2"/>
    </material>
    <material name="PyrexGlassOptical">
      <D type="density" value="2.23" unit="g/cm3"/>
      <fraction n="0.806" ref="SiliconOxide"/>
      <fraction n="0.130" ref="BoronOxide"/>
      <fraction n="0.040" ref="SodiumOxide"/>
      <fraction n="0.023" ref="AluminumOxide"/>
      <property name="RINDEX" ref="RINDEX__Pyrex"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__Pyrex"/>
    </material>
    <material name="AerogelOptical">
      <D value="0.2" unit="g / cm3"/>
      <fraction n="0.625" ref="SiliconOxide"/>
      <fraction n="0.374" ref="SiliconOxide"/>
      <fraction n="0.1"   ref="C"/>
      <property name="RINDEX" ref="RINDEX__Aerogel"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__Aerogel"/>
    </material>
    <material name="AcrylicOptical">
      <D type="density" value="1.18" unit="g/cm3"/>
      <composite n="5" ref="C"/>
      <composite n="2" ref="O"/>
      <composite n="8" ref="H"/>
      <property name="RINDEX" ref="RINDEX__Acrylic"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__Acrylic"/>
    <!-- BEGIN dRICh material definitions -->
    <material name="C2F6_DRICH">
      <D type="density" value="0.005734" unit="g/cm3"/>
      <composite n="2" ref="C"/>
      <composite n="6" ref="F"/>
      <property name="RINDEX"    ref="RINDEX__C2F6_DRICH"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__C2F6_DRICH"/>
    </material>
    <material name="Aerogel_DRICH">
      <D type="density" value="0.1" unit="g/cm3"/>
      <comment> n_air = [dens(Si02)-dens(aerogel)] / [dens(Si02)-dens(Air) ] </comment>
      <fraction n="    (2.32-0.1) / (2.32-0.0012)" ref="Air"/>
      <fraction n="1 - (2.32-0.1) / (2.32-0.0012)" ref="SiliconDioxide"/>
      <property name="RINDEX"    ref="RINDEX__Aerogel_DRICH"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__Aerogel_DRICH"/>
      <property name="RAYLEIGH"  ref="RAYLEIGH__Aerogel_DRICH"/>
    </material>
    <material name="Acrylic_DRICH">
      <D type="density" value="1.19" unit="g/cm3"/>
      <comment> TO BE IMPROVED </comment>
      <fraction n="0.99" ref="Plexiglass"/>
      <fraction n="0.01" ref="PolyvinylAcetate"/>
      <property name="RINDEX"    ref="RINDEX__Acrylic_DRICH"/>
      <property name="ABSLENGTH" ref="ABSLENGTH__Acrylic_DRICH"/>
    </material>
    <!-- END dRICh material definitions -->
  </materials>
  <surfaces>
    <opticalsurface finish="polished" model="glisur" name="MirrorOpticalSurface" type="dielectric_metal" value="0">
      <property name="REFLECTIVITY" ref="REFLECTIVITY_mirror"/>
      <property name="RINDEX"       coldim="2" values="1.034*eV  1.5   4.136*eV  1.5"/>
      <!--<property name="EFFICIENCY"   ref="EFFICIENCY0x8b77240"/>-->
    </opticalsurface>
    <!--
    <opticalsurface name="mirror2" finish="polished" model="glisur" type="dielectric_dielectric">
      <property name="REFLECTIVITY"            coldim="2" values="1.034*eV  0.8   4.136*eV  0.9"/>
      <property name="EFFICIENCY"              coldim="2" values="2.034*eV  0.8   4.136*eV  1.0"/>
      <property name="RINDEX"                  coldim="2" values="1.034*eV  1.5   4.136*eV  1.5"/>
    </opticalsurface>
    -->

    <opticalsurface finish="polished" model="unified" name="MRICH_MirrorOpticalSurface" type="dielectric_metal" value="0">
    </opticalsurface>
    <opticalsurface finish="polished" model="unified" name="MRICH_LensOpticalSurface" type="dielectric_dielectric" value="0">
      <property name="REFLECTIVITY"            coldim="2" values="1240*eV/1100  0.08   1240*eV/400  0.08"/>
      <!--
      <property name="RINDEX"                  coldim="2" values="2.034*eV  1.56  4.136*eV  1.56"/>
      <property name="SPECULARLOBECONSTANT"    coldim="2" values="2.034*eV  0.3   4.136*eV  0.3 "/>
      <property name="SPECULARSPIKECONSTANT"   coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      <property name="BACKSCATTERCONSTANT"     coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      -->
    </opticalsurface>

    <opticalsurface finish="polished" model="unified" name="MRICH_PhotoSensorOpticalSurface" type="dielectric_dielectric" value="0">
      <!--
      <property name="RINDEX"                  coldim="2" values="2.034*eV  1.35  4.136*eV  1.40"/>
      <property name="SPECULARLOBECONSTANT"    coldim="2" values="2.034*eV  0.3   4.136*eV  0.3 "/>
      <property name="SPECULARSPIKECONSTANT"   coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      <property name="BACKSCATTERCONSTANT"     coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      -->
    </opticalsurface>

    <opticalsurface finish="polished" model="unified" name="MRICH_AerogelOpticalSurface" type="dielectric_dielectric" value="0">
      <!--
      <property name="RINDEX"                  coldim="2" values="2.034*eV  1.010  4.136*eV  1.010"/>
      <property name="SPECULARLOBECONSTANT"    coldim="2" values="2.034*eV  0.3   4.136*eV  0.3 "/>
      <property name="SPECULARSPIKECONSTANT"   coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      <property name="BACKSCATTERCONSTANT"     coldim="2" values="2.034*eV  0.2   4.136*eV  0.2 "/>
      -->
    </opticalsurface>

    <!-- BEGIN dRICh surface definitions -->
    <opticalsurface name="MirrorSurface_DRICH" model="unified" finish="polishedfrontpainted" type="dielectric_dielectric">
      <property name="REFLECTIVITY" coldim="2" values="
        2.04358*eV  0.867812
        2.0664*eV   0.865156
        2.09046*eV  0.863906
        2.14023*eV  0.86375
        2.16601*eV  0.864062
        2.20587*eV  0.864531
        2.23327*eV  0.864375
        2.26137*eV  0.865625
        2.31972*eV  0.865313
        2.35005*eV  0.865
        2.38116*eV  0.864844
        2.41313*eV  0.863828
        2.44598*eV  0.863516
        2.47968*eV  0.863125
        2.53081*eV  0.862187
        2.58354*eV  0.861719
        2.6194*eV   0.861328
        2.69589*eV  0.861016
        2.73515*eV  0.861094
        2.79685*eV  0.861602
        2.86139*eV  0.862305
        2.95271*eV  0.86375
        3.04884*eV  0.865586
        3.12665*eV  0.867383
        3.2393*eV   0.870059
        3.39218*eV  0.874199
        3.52508*eV  0.878105
        3.66893*eV  0.88252
        3.82396*eV  0.887617
        3.99949*eV  0.893721
        4.13281*eV  0.898184
        4.27679*eV  0.902744
        4.48244*eV  0.907837
        4.65057*eV  0.9102
        4.89476*eV  0.909316
        5.02774*eV  0.906174
        5.16816*eV  0.900422
        5.31437*eV  0.891521
        5.63821*eV  0.859954
        5.90401*eV  0.820831
        6.19921*eV  0.762502
        "/>
    </opticalsurface>
    <opticalsurface name="SensorSurface_DRICH" model="glisur" finish="polished" type="dielectric_metal">
      <property name="EFFICIENCY" coldim="2" values="
        1*eV  1
        4*eV  1
        7*eV  1
        "/>
      <property name="IMAGINARYRINDEX" coldim="2" values="
        1*eV  1.69
        4*eV  1.69
        7*eV  1.69
        "/>
      <property name="REALRINDEX" coldim="2" values="
        1*eV  1.92
        4*eV  1.92
        7*eV  1.92
        "/>
    </opticalsurface>
    <!-- END dRICh surface definitions -->

  </surfaces>
</lccdd>