== Optical Parameters ==
~-
||<align="center":width="20%">'''Parameter'''||<align="center":width="15%">'''iLCGT'''||<align="center":width="15%">'''mLCGT''' ||<align="center":width="5%"> units||
||<bgcolor="#FFFF00":colspan="4"> '''Laser source''' ||
||Wave length                        || 1064 || 1064 ||nm||
||Initial Laser Power                || 10-20  || 20 ||W||
||Injecting Laser Power into IFO     || 10-20 || 20 ||W||
||Modulation depth                   || -- || -- || ||
||RF freq 1                          || TBD (PM) || 11.25 (PM) ||MHz||
||RF freq 2                          || NA || 45 (AM) ||MHz||
||<bgcolor="#FFFF00":colspan="4"> '''Primary parameters of interferometer''' ||
||Arm cavity Finesse                 || 1546 || 1546 || ||
||Arm cavity power gain              || 960  || 960 || ||
||PR gain                            || No PR || ~10 || ||
||PRC power on BS                    || 10-20 || 200 ||W||
||<bgcolor="#FFFF00":colspan="4"> '''Cavity Length''' ||
||Arm cavity length || 3000      || 3000 ||m||
||PR cavity length  || No PR   || 73.2826 ||m||
||Asymmetry length  || 3.33103   || 3.33103 ||m||
||BS-FM length      || 25        || 25 ||m||
||SR cavity length  || No SR   || 73.2826 ||m||
||SRC detuning phase|| No SR      ||  90 (BRSE) / 86.0 (DRSE)  ||degree||
||<bgcolor="#FFFF00":colspan="4"> '''Mirror optical properties''' ||
||EM Reflectivity   || 0.999945? || 0.999945? || ||
||FM Reflectivity   || 0.996000 || 0.996000 || ||
||PRM Reflectivity  || No PR || 0.77 || ||
||SRM Reflectivity  || No SR || 0.85 || ||
||BS Reflectivity   || 0.5   || 0.5 || ||
||HR Coating Loss of EM and FM || 45e-6? || 45e-6? || ||
||BS Loss           || --   || -- || ||
||AR Transmittance || --    || -- || ||
||AR Coating Loss   || --  || -- || ||
|| || || || ||
||MICH contrast                      ||  || || ||
||Other losses in PRC                ||  || || ||
||Other losses in SRC                ||  || || ||
|| || || || ||
||<bgcolor="#FFFF00":colspan="4"> '''Mirror geometries''' ||
||EM mass           || 10.8 || 10.8 ||kg||
||FM mass           || 10.8 || 10.8 ||kg||
||PRM mass          || No PR || 10.8 ||kg||
||SRM mass          || No SR || 10.8 ||kg||
||BS mass           || 29.9 || 29.9 ||kg||
|| || || || ||
||EM ROC            || 7260 or 7320 || 7260 or 7320 ||m||
||FM ROC            || 7260 or 7320 || 7260 or 7320 ||m||
||FM AR ROC         || Inf || Inf ||m||
||PRM ROC           || No PR || TBD ||m||
||SRM ROC           || No SR || TBD ||m||
||BS ROC            || Inf  || Inf ||m||
|| || || || ||
||EM diameter/thickness      || 25 / 10 || 25 / 10 ||cm||
||FM diameter/thickness      || 25 / 10 || 25 / 10 ||cm||
||PRM diameter/thickness     || No PR || 25 / 10 ||cm||
||SRM diameter/thickness     || No SR || 25 / 10 ||cm||
||BS diameter/thickness      || 38 / 12 || 38 / 12 ||cm||
|| || || || ||
||<bgcolor="#FFFF00":colspan="4"> '''Mode Cleaner''' ||
||MC1 length                         || -- || -- ||m||
||MC2 length                         || 26.648218 || 26.648218 ||m||
||MC1 Finesse                        || -- || -- || ||
||MC2 Finesse                        || -- || -- || ||
|| || || || ||
||<bgcolor="#FFFF00":colspan="4"> '''Output Mode Cleaner''' ||
||OMC length                           || No OMC   || TBD ||m||
||OMC Finesse                          || No OMC  || TBD || ||
||OMC input/output mirror reflectivity || No OMC || TBD || ||
||OMC end mirror reflectivity          || No OMC || TBD || ||
||OMC MC FSR                           || No OMC   || TBD ||MHz||
||DC readout phase                     || NA || 113.4 (BRSE) / 125.8 (DRSE) || degree ||
||<bgcolor="#FFFF00":colspan="4"> '''Control Bandwidth''' ||
||Quantum efficiency                   || 0.9   || 0.9 ||　||
||CARM control band width              || 30k?   || -- ||Hz||
||DARM control band width              || 200?   || -- ||Hz||
||PRC control band width               || No PR  || -- ||Hz||
||MICH control band width              || 50?    || -- ||Hz||
||SRC control band width               || No SR  || -- ||Hz||
||Feed-Forward gain                    || TBD || -- || ||
|| || || || ||


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