#----------------------------------------------------------------------- # An Advanced Virgo Plus input file for Finesse 3 # Source: current finesse-virgo's model # Modified with: https://git.ligo.org/virgo/isc/parameters/-/blob/377982cc0fd35a561a2f0d9356ca847072d39c57/mechanics.m # Modified with: https://git.ligo.org/virgo/isc/parameters/-/blob/c7e2cf038a096fbb5a20cc58ff01650cec5a96fa/advanced_virgo.m # Modified with: https://git.ligo.org/virgo/isc/parameters/-/blob/7de842d4f3ebe3744a608e2f19d6d0a15a437cdf/advanced_virgo_current.m # Modified with: https://git.ligo.org/virgo/isc/parameters/-/blob/a89dfb3b8556c9796b64531da93343f56e773e6b/detection_current.m # Modified with: https://git.ligo.org/virgo/isc/optickle/-/blob/f577e6f073c0dda2ef9db3d2fbab27021f406182/models/DRITFscatter.m # Modified with: https://git.ligo.org/virgo/virgoapp/simulinkNoiseBudget/-/blob/6e7e1b95b7817cdb6cc67d5748281ed1d7ffc805/DRITF/scatterRadiationPressureTune.m # Modified with: https://git.ligo.org/virgo/virgoapp/simulinkNoiseBudget/-/blob/6e7e1b95b7817cdb6cc67d5748281ed1d7ffc805/DRITF/scatterRadiationPressure.m # Defines general variables needed for the model creation here # Constant variable speed_of_light 299792458 # Material variable silica 1.44963 # Injection variable wavelength 1.064e-6 units='m' variable frequency speed_of_light/wavelength units='Hz' # Schnupp asymmetry variable schnupp_asymetry 0.23 units='m' # Cavity length variable length_PRCL 11.952 units='m' variable length_SRCL 11.952 units='m' # Laser laser laser P=25 # Modulator modulator eom1 f=6270777 midx=0.22 order=1 space space_laser_eom1 laser.p1 eom1.p1 L=0.1 modulator eom2 f=4/3*eom1.f midx=0.15 order=1 space space_eom1_eom2 eom1.p2 eom2.p1 L=0.1 modulator eom3 f=9*eom1.f midx=0.204 order=1 space space_eom2_eom3 eom2.p2 eom3.p1 L=0.1 modulator eom4 f=21*eom1.f midx=0.128 order=1 space space_eom3_eom4 eom3.p2 eom4.p1 L=0.1 # Power Recycling mirror PR_AR T=9.9984e-1 L=1.6e-4 Rc=-3.62 phi=PR.phi mirror PR T=0.04835 L=37.5e-6 Rc=-1430 space inside_PR PR_AR.p2 PR.p1 L=0.1003 nr=silica space space_eom4_PR eom4.p2 PR_AR.p1 L=11.67 # Beamsplitter beamsplitter BS T=0.5012 L=37.5e-6 alpha=-45.0 space space_PR_BS PR.p2 BS.p1 L=5.925 # North arm mirror NI_AR T=9.9968e-1 L=0.0 Rc=-1420 phi=NI.phi mirror NI T=0.01377 L=37.5e-6 Rc=-1420 space inside_NI NI_AR.p2 NI.p1 L=0.2 nr=silica mirror NE T=4.4e-6 L=37.5e-6 Rc=1683 mirror NE_AR R=100e-6 L=1.33e-4 phi=NE.phi space inside_NE NE.p2 NE_AR.p1 L=0.2 nr=silica space space_NI_NE NI.p2 NE.p1 L=2999.8 space space_BS_NI BS.p3 NI_AR.p1 L=length_PRCL-space_PR_BS.L+schnupp_asymetry/2-inside_NI.L*inside_NI.nr # West arm mirror WI_AR T=9.99942e-1 L=0.0 Rc=-1424 phi=WI.phi mirror WI T=0.01377 L=37.5e-6 Rc=-1420 space inside_WI WI_AR.p2 WI.p1 L=0.2 nr=silica mirror WE T=4.3e-6 L=37.5e-6 Rc=1683 mirror WE_AR T=9.99845e-1 L=1.55e-4 phi=WE.phi space inside_WE WE.p2 WE_AR.p1 L=0.2 nr=silica space space_WI_WE WI.p2 WE.p1 L=2999.8 # schnupp asymetry correction space space_BS_WI BS.p2 WI_AR.p1 L=length_PRCL-space_PR_BS.L-schnupp_asymetry/2-inside_WI.L*inside_NI.nr # SR mirror SR T=0.40 L=37.5e-6 Rc=1430 mirror SR_AR T=9.99859e-1 L=1.41e-4 Rc=3.59 phi=SR.phi space inside_SR SR.p2 SR_AR.p1 L=0.1004 space space_BS_SR BS.p4 SR.p1 L=length_SRCL-(space_BS_WI.L+space_BS_NI.L)/2 # power detectors power_detector_dc NE_p1 NE.p1.o power_detector_dc NI_p1 NI.p1.o power_detector_dc NE_p2 NE.p2.o power_detector_dc NI_p2 NI.p2.o power_detector_dc WE_p1 WE.p1.o power_detector_dc WI_p1 WI.p1.o power_detector_dc WE_p2 WE.p2.o power_detector_dc WI_p2 WI.p2.o power_detector_dc PR_p1 PR.p1.o power_detector_dc PR_p2 PR.p2.o power_detector_dc SR_p1 SR.p1.o power_detector_dc SR_p2 SR.p2.o # degree of freedom degree_of_freedom NORTH_ARM NE.dofs.z +1 degree_of_freedom WEST_ARM WE.dofs.z +1 degree_of_freedom PRCL PR.dofs.z +1 degree_of_freedom SRCL SR.dofs.z +1 degree_of_freedom MICH NI.dofs.z -0.5 WI.dofs.z +0.5 NE.dofs.z -0.5 WE.dofs.z +0.5 degree_of_freedom DARM NE.dofs.z -0.5 WE.dofs.z +0.5 degree_of_freedom CARM NE.dofs.z +1 WE.dofs.z +1 degree_of_freedom DARM_Fz NE.dofs.F_z -0.5 WE.dofs.F_z +0.5 # cavities cavity north_arm NI.p2.o priority=3 cavity west_arm WI.p2.o priority=3 cavity PRCL_north PR.p2.o via=WE.p1.i priority=2 cavity PRCL_west PR.p2.o via=NE.p1.i priority=2 cavity SRCL_north SR.p1.o via=WE.p1.i priority=1 cavity SRCL_west SR.p1.o via=WE.p1.i priority=1 readout_rf B1 SDB1.p2.o output_detectors=True f=0 # benches mirror SNEB R=1e-6 L=0.0 mirror SWEB R=1e-6 L=0.0 mirror SDB1 R=1e-6 L=0.0 phi=45 space space_NE_AR_SNEB NE_AR.p2 SNEB.p1 L=7 space space_WE_AR_SWEB WE_AR.p2 SWEB.p1 L=7 space space_SR_SDB1 SR_AR.p2 SDB1.p1 L=0 power_detector_dc SNEB_DC SNEB.p1.i power_detector_dc SWEB_DC SWEB.p1.i power_detector_dc SDB1_DC SDB1.p1.i degree_of_freedom SNEB_z SNEB.dofs.z -1 degree_of_freedom SWEB_z SWEB.dofs.z -1 degree_of_freedom SDB1_z SDB1.dofs.z -1 # Suspensions pendulum NI_suspension NI.mech mass=42 fz=0.76 Qz=40 pendulum NI_AR_suspension NI_AR.mech mass=NI_suspension.mass fz=NI_suspension.fz Qz=NI_suspension.Qz pendulum NE_suspension NE.mech mass=42 fz=0.76 Qz=40 pendulum NE_AR_suspension NE_AR.mech mass=NE_suspension.mass fz=NE_suspension.fz Qz=NE_suspension.Qz pendulum WI_suspension WI.mech mass=42 fz=0.76 Qz=40 pendulum WI_AR_suspension WI_AR.mech mass=WI_suspension.mass fz=WI_suspension.fz Qz=WI_suspension.Qz pendulum WE_suspension WE.mech mass=42 fz=0.76 Qz=40 pendulum WE_AR_suspension WE_AR.mech mass=WE_suspension.mass fz=WE_suspension.fz Qz=WE_suspension.Qz pendulum PR_suspension PR.mech mass=42 fz=0.76 Qz=40 pendulum PR_AR_suspension PR_AR.mech mass=PR_suspension.mass fz=PR_suspension.fz Qz=PR_suspension.Qz pendulum SR_suspension SR.mech mass=42 fz=0.76 Qz=40 pendulum SR_AR_suspension SR_AR.mech mass=SR_suspension.mass fz=SR_suspension.fz Qz=SR_suspension.Qz pendulum SNEB_suspension SNEB.mech mass=42 fz=0.76 Qz=40 pendulum SWEB_suspension SWEB.mech mass=42 fz=0.76 Qz=40 pendulum SDB1_suspension SDB1.mech mass=42 fz=0.76 Qz=40 free_mass BS_suspension BS.mech mass=34