TAMA RSE LCGT TAMA LCGT Broadband tuned Narrowband

TAMA RSE と LCGT の関連性 TAMA LCGT Broadband (tuned) Narrowband (detuned) Length sensing 30 MHz (AM) 75 MHz (PM) 11 MHz (AM) 45 MHz (PM) Alignment WFS sensing control for shot noise reduction RSE condition ** enable to switch broadband TAMA RSE では出来ないこと o Radiation pressure による共振器不安定性への対処と技術実証 o Alignment control による低周波感度悪化をおこさない対策と技術実証

The way to full RSE Detuned dual recycled Michelson 5 DOF lock with offset in CARM ETMy Reducing CARM offset ITMy PRM BS RSE ITMx SRM Carrier 33 MHz 166 MHz ETMx

RF変調周波数の選択 • • 15 MHz-AM, 135 MHz-PM, DDM (LCGTに一番近い、WFS全然ダメ) 15 MHz-AM, 75 MHz-PM, DDM (宗宮法をより一般化、WFSまだダメ) 15 MHz-AM, 45 MHz-PM, DDM (WFSなんとかOK、エラーにoffset大) 15 MHz-PM, 75 MHz-PM, SDM, THD by 45 MHz (DDM使えず、THDだとL+ , L-から の混入大、WFSOK、現TAMAの回路が使える) • 15 MHz-PM, (30 MHz-AM), 75 MHz-PM, DDM by 75 MHz and 30 MHz, SDM (DDM でもL+ , L-からの混入大、WFS: OK、現TAMAの回路が使える) • 15 MHz-PM, (30 MHz-AM), 75 MHz-PM, diff. demod. by 45 MHz, SDM (L+ , L-からの混入大、WFS: OK、現TAMAの回路が 使える) • 15 MHz-PM, (30 MHz-AM), 75 MHz-PM, sum. demod. by 105 MHz, SDM (分離比良い、WFS: OK、現TAMAの回路が使える ) 計算はOptickle(宮川)で実行、FINESSE(苔山)にておかしな所がないか確認