diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..763513e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.ipynb_checkpoints
diff --git a/05_link_length.kat b/05_link_length.kat
index 015e79e..7bd108b 100644
--- a/05_link_length.kat
+++ b/05_link_length.kat
@@ -3,13 +3,13 @@
 #
 # Length used to link different parts of the interferometer
 
-variable link_laser_and_modulator_faraday_isolator 1e-3   units='m'
-variable link_faraday_isolator_B2_attenuator       1e-3   units='m'
+variable link_laser_and_modulator_faraday_isolator 0.2    units='m'
+variable link_faraday_isolator_B2_attenuator       0.0    units='m'
 variable link_faraday_isolator_recycling_cavity    0.0    units='m'
-variable link_recycling_cavity_B4_attenuator       1e-3   units='m'
+variable link_recycling_cavity_B4_attenuator       0.0    units='m'
 variable link_recycling_cavity_arm_north           0.2    units='m'
 variable link_arm_north_SNEB                       0      units='m'
-variable link_recycling_cavity_arm_west            0.0    units='m'
+variable link_recycling_cavity_arm_west            0.2    units='m'
 variable link_arm_west_SWEB                        0      units='m'
 variable link_recycling_cavity_detection           4.451  units='m'
 variable link_detection_SDB2                       0      units='m'