finesse-virgo-model/10_recycling_cavity.kat
2024-07-09 17:20:23 +02:00

56 lines
1.7 KiB
Text

#-----------------------------------------------------------------------
# An Advanced Virgo Plus input file for Finesse 3
# Main mirrors
# PR
mirror PR_AR R=PR_AR_R L=PR_AR_L Rc=PR_AR_Rc
mirror PR T=PR_T L=PR_L Rc=PR_Rc
space inside_PR PR_AR.p2 PR.p1 L=PR_width nr=silica
# POP
beamsplitter POP_AR R=POP_AR_R L=POP_AR_L alpha=POP_AR_alpha
beamsplitter POP R=POP_R L=POP_L alpha=POP_alpha
space inside_POP POP_AR.p3 POP.p1 L=POP_width nr=silica
# BS
beamsplitter BS T=BS_T L=BS_L alpha=BS_alpha
beamsplitter BS_W_AR R=BS_W_AR_R L=BS_W_AR_L alpha=BS_W_AR_alpha
beamsplitter BS_S_AR R=BS_S_AR_R L=BS_S_AR_L alpha=BS_S_AR_alpha
space inside_BS_W BS.p3 BS_W_AR.p1 L=BS_W_width nr=silica
space inside_BS_S BS.p4 BS_S_AR.p1 L=BS_S_width nr=silica
free_mass BS_sus BS.mech mass=BS_mass
# SR
mirror SR T=SR_T L=SR_L Rc=SR_Rc
mirror SR_AR R=SR_AR_R L=SR_AR_L Rc=SR_AR_Rc
space inside_SR SR.p2 SR_AR.p1 L=SR_width nr=silica
# Compensation plates
# CP_N
mirror CP_N R=CP_N_R L=CP_N_L
mirror CP_N_AR R=CP_N_AR_R L=CP_N_AR_L
space inside_CP_N CP_N.p2 CP_N_AR.p1 L=CP_N_width nr=silica
# CP_W
mirror CP_W R=CP_W_R L=CP_W_L
mirror CP_W_AR R=CP_W_AR_R L=CP_W_AR_L
space inside_CP_W CP_W.p2 CP_W_AR.p1 L=CP_W_width nr=silica
# Thermal lens
lens CP_N_TL f=CP_N_TL_f
lens CP_W_TL f=CP_W_TL_f
# Spaces
# East
space space_POP_out PR.p2 POP_AR.p1 L=link_PR_POP
space space_BS_in POP.p3 BS.p1 L=link_POP_BS
# North
space space_BS_CP_N BS_W_AR.p3 CP_N.p1 L=link_BS_CP_N
space space_CP_N_CP_N_TL CP_N_AR.p2 CP_N_TL.p1 L=link_CP_N_CP_N_TL
# West
space space_BS_CP_W BS.p2 CP_W.p1 L=link_BS_CP_W
space space_CP_W_CP_W_TL CP_W_AR.p2 CP_W_TL.p1 L=link_CP_W_CP_W_TL
# South
space space_SR_out BS_S_AR.p3 SR.p1 L=link_BS_SR