From 2cb30dfc196ab485747175194316a243a560f8ea Mon Sep 17 00:00:00 2001 From: linarphy Date: Thu, 13 Mar 2025 09:25:34 +0100 Subject: [PATCH] Add AR coated side of each mirror --- virgo_simple.kat | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/virgo_simple.kat b/virgo_simple.kat index b177581..662c8b4 100644 --- a/virgo_simple.kat +++ b/virgo_simple.kat @@ -33,9 +33,11 @@ variable length_SRCL 11.952 units='m' laser laser P=25 f=frequency # Power Recycling +mirror PR_AR T=9.9984e-1 L=1.6e-4 Rc=-3.62 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_laser_PR laser.p1 PR.p1 L=11.67 +space space_laser_PR laser.p1 PR_AR.p1 L=11.67 # Beamsplitter @@ -45,25 +47,37 @@ 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 T=9.99867e-1 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.p1 L=length_PRCL-space_PR_BS.L+schnupp_asymetry/2 +space space_BS_NI BS.p3 NI_AR.p1 L=length_PRCL-space_PR_BS.L+schnupp_asymetry/2 # 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 -space space_BS_WI BS.p2 WI.p1 L=length_PRCL-space_PR_BS.L-schnupp_asymetry/2 +space space_BS_WI BS.p2 WI_AR.p1 L=length_PRCL-space_PR_BS.L-schnupp_asymetry/2 # 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 +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 @@ -99,6 +113,9 @@ degree_of_freedom DARM_Fz NE.dofs.F_z -1 WE.dofs.F_z +1 # 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 @@ -106,3 +123,9 @@ 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 SR.p2.o output_detectors=True + +# benches + +mirror SNEB R=0.0 L=0.0 + +space space_NE_AR_SNEB NE_AR.p2 SNEB.p1 L=0