%%%%
% LCGT1.kat: PRC folded SRC unfolded, no error
% LCGT2.kat: PRC folded SRC folded, no error
% LCGT1d.kat: PRC folded SRC unfolded, diff ETM RoC error
% LCGT2d.kat: PRC folded SRC folded, diff ETM RoC error
% LCGT1c.kat: PRC folded SRC unfolded, common ETM RoC error
% LCGT2c.kat: PRC folded SRC folded, common ETM RoC error
%%%%


# clight 299792458.0 

l i1 93.2 0  nL                      #LASER 100W (Po~825)
m north-m 0.999945 10e-6  0 n10 n13	#north end mirror
m east-m  0.999945 10e-6 90 n12 n14	#east end mirror
m fnorth-m 0.996 3955e-6  0 n5 n9      #FMn
m feast-m  0.996 3955e-6 90 n6 n11     #FMe
m prm 0.85 0.15 0 neo2 nf0   # PRM (Po is max)
%m prm 0 1 0 neo2 nf0   # no PRM
m srm 0.85 0.15 90 n7 n8   # SRM (tune)
%m srm 0 1 90 n7 n8   # no SRM 

s north-s 18.334485  n2 n5        #BS-FMn
s east-s  21.665515  n3 n6        #BS-FMe
%s west-s  53.2826    n0 n1        #PRC
%s south-s 53.2826    n4 n7        #SRC
s FP1-s   3006.69    n11 n12      #FPe arm
s FP2-s   3006.69    n9 n10	  #FPn arm
bs bs1 0.5 0.5 0 45 n1 n2 n3 n4   #BS
mod eo1 22.5M 0.1 2 pm 0 nL neo2 #EOM

s fold1 17.1 nf0 nf1
bs foldm1 1 0 0 0.5 nf1 nf2 dump dump # 1-deg tilted
%bs foldm1 1 0 0 0 nf1 nf2 dump dump # no tilt
s fold2 14.1 nf2 nf3
bs foldm2 1 0 0 0.5 nf3 nf4 dump dump # 1-deg tilted
%bs foldm2 1 0 0 0 nf3 nf4 dump dump # no tilt
s fold3 22.0826 nf4 n0 %73.2826-73.3+42.1-20
gauss input i1 nL 0.00429 -7.6873 % optimized for noangle with xaxis zx
attr foldm1 Rc -3.9
attr foldm2 Rc 32 
%bs po 0.01 0.99 0 45 n0 dump n1 npor   #PO
bs po 0 1 0 45 n0 dump n1 npor   #PO

s fold1s 17.1 nf1s n7 
%bs foldm1s 1 0 0 0.5 nf2s nf1s dump dump # 1-deg tilted
bs foldm1s 1 0 0 0 nf2s nf1s dump dump # no tilt
s fold2s 14.1 nf3s nf2s
%bs foldm2s 1 0 0 0.5 nf4s nf3s dump dump # 1-deg tilted
bs foldm2s 1 0 0 0 nf4s nf3s dump dump # no tilt
s fold3s 22.0826 n4 nf4s %73.2826-73.3+42.1-20
attr foldm1s Rc -3.9
attr foldm2s Rc 32 

maxtem 3

%% LIGO's dR=5m for R=2km -> 0.25%
%% Here we use 0.5%
%% 7114*0.5%=35.57m -> 7149.57m or 7078.43m

%attr fnorth-m Rc -7113.9 % no error
attr fnorth-m Rc -7149.57 % error
attr north-m Rc 7113.9
%attr feast-m Rc -7113.9 % no error
%attr feast-m Rc -7078.43 % diff error
attr feast-m Rc -7149.57 % com error
attr east-m Rc 7113.9
%attr prm Rc -337.1 % nominal
attr prm Rc -340.8 % trans-power is max

## tag Run1: disabled ##  attr srm Rc 150   % -2%
## tag Run2: disabled ##  attr srm Rc 151.5 % -1%
## tag Run3: disabled ##  attr srm Rc 153
## tag Run4: disabled ##  attr srm Rc 154.5 % +1%
 attr srm Rc 156   % +2% ## tag Run5: activated

%%% TF at DP %%%
 gnuterm no
 fsig sigLm1 east-m 1.0 0	
 fsig sigLm1 north-m 1.0 180
 pdS2 GW2 22.5M 90 1.0 max n8
 xaxis* sigLm1 f log 1 10k 100
 put GW2 f2 $x1
 scale meter
 yaxis log abs