class LLO: T_SRM = 1 L_SRM = 0 R_PRM = 0.9689845 T_PRM = 0.031 T_ITMX = 0.0148 L_ITMX = 175e-6 T_ITMY = 0.0148 L_ITMY = 265e-6 nsilica = 1.44963098985906 f1 = 9099471 f2 = 45497355 #TL_f 50k TL_f = "inf" PRM_RC = 11.009 # IFO put on dark fringe phi_SRM = 90 # (for phase 3 version use these tunings below) #phi_ITMX = 0 #phi_ITMY = 0 # (for phase 2 version use these tunings below) phi_ITMX = -1.7 phi_ITMY = 1.7 phi_BS = 0 phi_ARBSX = 0 phi_ARBSSR = 0 phi_ETMX = 0 phi_ETMY = 0 # (for phase 3 version use these tunings below) #phi_PRM = 90 # (for phase 2 version use these tunings below) phi_PRM = 91.54 Laser = """ l L0 1 0 n0 s lmod1 1 n0 n1 mod mod1 {f1} 0.22 1 pm n1 n2 s lmod2 1 n2 n3 mod mod2 {f2} 0.179 1 pm n3 nin """.format(f1=f1, f2=f2) PR = """ s lin 1 nin nREFL # Power recycling mirror PRM-02 m PRM {R_PRM} {T_PRM} {phi_PRM} nREFL nPRMb attr PRM Rc {PRM_RC} # Distance between PRM and PR2 s lp1 16.6107 nPRMb nPR2a # PR2 PR2-02 bs1 PR2 243u 8.6u 0 -0.79 nPR2a nPR2b dump nPOP attr PR2 Rc -4.545 # Distance from PR2 to PR3 s lp2 16.1647 nPR2b nPR3a # PR3 PR3-03 bs1 PR3 5.3u 17u 0 0.615 nPR3a nPR3b dump dump attr PR3 Rc 36.027 # Distance from PR3 to BS s lp3 19.5381 nPR3b nHRBS_PR """.format(R_PRM=R_PRM, T_PRM=T_PRM, phi_PRM=phi_PRM, PRM_RC=PRM_RC) BS = """ bs1 HRBS 0.5 8.6u {phi_BS} 45 nHRBS_PR nHRBS_Y nHRBS_X nHRBS_SR s sHRBStoARBSX 0.0685 {nsilica} nHRBS_X nARBSX_sub bs2 ARBSX 30u 1.7u {phi_ARBSX} 29.1951 nARBSX_sub dump nARBSX_X dump s sHRBStoARBSSR 0.0684 {nsilica} nHRBS_SR nARBSSR_sub bs2 ARBSSR 30u 1.7u {phi_ARBSSR} -29.1951 nARBSSR_sub dump nARBSSR_SR dump """.format(phi_BS=phi_BS, nsilica=nsilica, phi_ARBSSR=phi_ARBSSR, phi_ARBSX=phi_ARBSX) SR = """ # Distance from BS to SR3 s ls3 19.3661 nARBSSR_SR nSR3a # SR3 SR3-01 bs1 SR3 5n 19.1n 0 0 nSR3a nSR3b dump dump attr SR3 Rc 35.97 # Distance from SR3 to SR2 s ls2 15.4435 nSR3b nSR2a # SR2 SR2-04 bs1 SR2 7.6n 10.8n 0 0 nSR2a nSR2b dump dump attr SR2 Rc -6.406 # Distance from SR2 to SRMHR s ls1 15.7566 nSR2b nSRMHRa # Signal recycling mirror SRM-08 m1 SRMHR {T_SRM} {L_SRM} {phi_SRM} nSRMHRa nSRMHRb s SRMsub 0.0749 {nsilica} nSRMHRb nSRMARa attr SRMHR Rc -5.667 m2 SRMAR 50n 0 {phi_SRM} nSRMARa nSRMARb # Output of interferometer #s lout 1 nSRMtrans nASpickin #bs ASpick 0.1 0.9 0 45 nASpickin nASport nASpicktrans dump """.format(T_SRM=T_SRM, L_SRM=L_SRM, phi_SRM=phi_SRM,nsilica=nsilica) YARM = """ # Using values from E1200274 s ly1 4.847 nHRBS_Y nCPYar1 # Y arm compensation plate CP-08 m2 CPYar1 48.9u 0.4u 0 nCPYar1 nCPYar1s s sCPY 0.1 {nsilica} nCPYar1s nCPYar2s m2 CPYar2 30.5u 0.3u 0 nCPYar2s nCPYar2 s sCPYtoITMYar 0.02 nCPYar2 nITMYTLin # Y arm input mirror ITM-08 lens ITMYTL {TL_f} nITMYTLin nITMYTLtrans s ITMYTL_null 0 nITMYTLtrans nITMYconstL_in lens ITMYconstL -120k nITMYconstL_in nITMYconstL_trans #lens ITMYconstL inf nITMYconstL_in nITMYconstL_trans s ITMYTL_null2 0 nITMYconstL_trans nITMYar_in m2 ITMYar 250u 0 0 nITMYar_in nITMYs1 s lITMY 0.2 {nsilica} nITMYs1 nITMYs2 m1 ITMY {T_ITMY} {L_ITMY} {phi_ITMY} nITMYs2 nITMY2 attr ITMY Rc -1940.7 """.format(nsilica=nsilica, T_ITMY=T_ITMY, TL_f=TL_f, L_ITMY=L_ITMY, phi_ITMY=phi_ITMY) XARM = """ # Now using length taken from E1200616 s lx1 4.829 nARBSX_X nCPXar1 # X arm compensation plate CP-06 (no values for AR reflection so using same as Yarm) m2 CPXar1 48.9u 4.3u 0 nCPXar1 nCPXar1s s sCPX 0.1 {nsilica} nCPXar1s nCPXar2s m2 CPXar2 30.5u 4.8u 0 nCPXar2s nCPXar2 s sCPXtoITMXar 0.02 nCPXar2 nITMXTLin # X arm input mirror ITM-04 lens ITMXTL {TL_f} nITMXTLin nITMXTLtrans s ITMXtl_null 0 nITMXTLtrans nITMXconstL_in #lens ITMXconstL inf nITMXconstL_in nITMXconstL_trans lens ITMXconstL 442k nITMXconstL_in nITMXconstL_trans s ITMXTL_null2 0 nITMXconstL_trans nITMXar_in m2 ITMXar 164u 0 0 nITMXar_in nITMXs1 s lITMX1 0.2 {nsilica} nITMXs1 nITMXs2 m1 ITMX {T_ITMX} {L_ITMX} {phi_ITMX} nITMXs2 nITMX2 # default Rc from nebula page attr ITMX Rc -1937.9 # Rcs for looking at AS port beam shape with astigmatic RH effect #attr ITMX Rcx -1915 #attr ITMX Rcy -1912.8 """.format(nsilica=nsilica, TL_f=TL_f, L_ITMX=L_ITMX, phi_ITMX=phi_ITMX, T_ITMX=T_ITMX)