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Size: 2737
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Size: 4077
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| ||<align="center":width="20%">'''Parameter'''||<align="center":width="15%">'''iLCGT'''||<align="center":width="15%">'''--''' ||<align="center":width="5%"> units|| | ||<align="center":width="20%">'''Parameter'''||<align="center":width="15%">'''iLCGT'''||<align="center":width="15%">'''mLCGT''' ||<align="center":width="5%"> units|| |
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| ||RF freq 2 || NA || ||Hz|| | |
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| ||Arm power (single arm)|| -- || ||W|| | ||PR gain || No PR || || || ||Arm power (single arm) || -- || ||W|| ||PRC power on BS || 10-20 || ||W|| |
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| ||PR cavity length || No PR || 73.2826 ||m|| | |
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| ||SR cavity length || No SR || 73.2826 ||m|| ||SRC detuning phase|| No SR || TBD ||degree|| |
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| ||EM Reflectivity || 0.999945 || || || ||FM Reflectivity || 0.996000 || || || |
||EM Reflectivity || 0.999945 || 0.999945 || || ||FM Reflectivity || 0.996000 || 0.996000 || || ||PRM Reflectivity || No PR || 0.77 || || ||SRM Reflectivity || No SR || 0.85 || || |
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| ||HR Coating Loss of EM, FM || 45e-6 || || || ||BS Loss || -- || || || ||AR Transmittance || -- || || || ||AR Coating Loss || -- || || || |
||HR Coating Loss of EM and FM || 45e-6 || 45e-6 || || ||BS Loss || -- || -- || || ||AR Transmittance || -- || -- || || ||AR Coating Loss || -- || -- || || |
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| ||Arm cavity cut-off frequency || || ||Hz|| | |
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| ||Other losses in PRC || || || || ||Other losses in SRC || || || || |
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| ||EM mass || 10.8 || ||kg|| ||FM mass || 30? || ||kg|| ||BS mass || -- || ||kg|| |
||EM mass || 10.8 || TBD ||kg|| ||FM mass || 30? || TBD ||kg|| ||PRM mass || No PR || 10.8? ||kg|| ||SRM mass || No SR || 10.8? ||kg|| ||BS mass || 29.9 || 29.9 ||kg|| |
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| ||EM ROC || -- || ||m|| ||FM ROC || -- || ||m|| |
||EM ROC || 7098.08 || TBD ||m|| ||FM ROC || TBD || ||m|| |
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| ||PRM ROC || No PR || -- ||m|| ||SRM ROC || No SR || -- ||m|| |
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| ||EM radius/thickness || 25 / 15 || ||cm|| ||FM radius/thickness || -- || ||cm|| ||PRM radius/thickness || No PR || ||cm|| ||SRM radius/thickness || No SR || ||cm|| ||BS radius/thickness || 38 / 12 || ||cm|| |
||EM radius/thickness || 25 / 10 || -- ||cm|| ||FM radius/thickness || TBD || -- ||cm|| ||PRM radius/thickness || No PR || -- ||cm|| ||SRM radius/thickness || No SR || -- ||cm|| ||BS radius/thickness || 38 / 12 || 38 / 12 ||cm|| |
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| ||MC1 length || -- || ||m|| ||MC2 length || 13.324109 || ||m|| ||MC1 Finesse || -- || || || ||MC2 Finesse || -- || || || |
||MC1 length || -- || -- ||m|| ||MC2 length || 26.648218 || ||m|| ||MC1 Finesse || -- || -- || || ||MC2 Finesse || -- || -- || || |
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| ||<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 || 90 || degree || |
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| ||PRC control band width || No PR || ||Hz|| | |
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| ||SRC control band width || No SR || ||Hz|| ||Feed-Forward gain || TBD || || || |
Interferometer Parameters
Parameter iLCGT mLCGT units Laser source Wave length 1064 nm Initial Laser Power 10-20 W Injecting Laser Power into IFO 10-20 W Modulation depth -- RF freq 1 TBD (PM) Hz RF freq 2 NA Hz Primary parameters of interferometer Arm cavity Finesse 1546 Arm cavity power gain 960 PR gain No PR Arm power (single arm) -- W PRC power on BS 10-20 W Cavity Length Arm cavity length 3000 m PR cavity length No PR 73.2826 m Asymmetry length 3.33103 m BS-FM length 25 m SR cavity length No SR 73.2826 m SRC detuning phase No SR TBD degree 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 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 Mirror geometries EM mass 10.8 TBD kg FM mass 30? TBD kg PRM mass No PR 10.8? kg SRM mass No SR 10.8? kg BS mass 29.9 29.9 kg EM ROC 7098.08 TBD m FM ROC TBD m FM AR ROC Flat m PRM ROC No PR -- m SRM ROC No SR -- m BS ROC Infinity m EM radius/thickness 25 / 10 -- cm FM radius/thickness TBD -- cm PRM radius/thickness No PR -- cm SRM radius/thickness No SR -- cm BS radius/thickness 38 / 12 38 / 12 cm Mode Cleaner MC1 length -- -- m MC2 length 26.648218 m MC1 Finesse -- -- MC2 Finesse -- -- 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 90 degree Control Bandwidth Quantum efficiency 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