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pykat_LLO.py
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Daniel Brown authoredDaniel Brown authored
pykat_LLO.py 4.55 KiB
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)