diff --git a/base/uk.ac.stfc.isis.ibex.opis/resources/litron.opi b/base/uk.ac.stfc.isis.ibex.opis/resources/litron.opi
new file mode 100644
index 0000000000..415e520226
--- /dev/null
+++ b/base/uk.ac.stfc.isis.ibex.opis/resources/litron.opi
@@ -0,0 +1,533 @@
+
+
+
+
+ false
+ -1
+ -1
+
+ false
+
+
+
+ 5.1.0
+
+
+
+ 6
+ 600
+
+ true
+ $(P)$(LITRON):
+
+
+
+
+ true
+ true
+ true
+ true
+ true
+ Display
+ 800
+ -1fce3382:15fb9cec36d:-75d6
+ -1
+ -1
+
+
+ false
+
+
+
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Header1_NEW
+
+
+
+
+ 37
+ 0
+ Label
+
+
+ true
+ true
+ false
+
+
+ false
+ Litron Laser
+
+ false
+ 1
+ true
+ Label
+ 341
+ true
+ dc942cb:193910a1aee:-786b
+ 1
+ 0
+
+
+
+ false
+
+
+
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Header2_NEW
+
+
+
+
+ 37
+ 0
+ $(NAME)
+
+
+ true
+ true
+ false
+
+
+ false
+ $(NAME)
+
+ false
+ 1
+ true
+ Label
+ 342
+ true
+ dc942cb:193910a1aee:-786a
+ 1
+ 36
+
+
+
+
+
+
+
+
+
+ 13
+ 1
+ true
+ false
+
+ ISIS_GroupBox_NEW
+
+
+
+
+ 183
+ false
+
+ true
+
+ Laser control
+
+
+ true
+ true
+ false
+
+
+ true
+
+ false
+ true
+ Grouping Container
+ 343
+ dc942cb:193910a1aee:-781e
+ 0
+ 72
+
+
+ false
+
+
+
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Label_NEW
+
+
+
+
+ 36
+ 2
+ Label
+
+
+ true
+ true
+ false
+
+
+ false
+ OPOCrystal position:
+
+ false
+ 1
+ true
+ Label
+ 96
+ true
+ dc942cb:193910a1aee:-781d
+ 6
+ 10
+
+
+
+ false
+
+
+
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Label_NEW
+
+
+
+
+ 52
+ 2
+ Label_3
+
+
+ true
+ true
+ false
+
+
+ false
+ Distance to Nudge (Absolute):
+
+ false
+ 1
+ true
+ Label
+ 96
+ true
+ dc942cb:193910a1aee:-781b
+ 6
+ 57
+
+
+
+ false
+
+
+
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Label_NEW
+
+
+
+
+ 20
+ 2
+ Label_3
+
+
+ true
+ true
+ false
+
+
+ false
+ Wavelength:
+
+ false
+ 1
+ true
+ Label
+ 96
+ true
+ dc942cb:193910a1aee:-781a
+ 6
+ 120
+
+
+
+ false
+ false
+ false
+
+
+
+ true
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Value_NEW
+
+ false
+
+
+
+ 0
+ 20
+ 0
+ Text Update
+ 0
+ true
+ $(P)OPO:CRYS:POS
+
+ 0.0
+
+
+ true
+ true
+ false
+
+
+ true
+ ######
+ $(pv_name)
+$(pv_value)
+ true
+ 1
+ true
+ Text Update
+ 85
+ false
+ dc942cb:193910a1aee:-7819
+ 120
+ 18
+
+
+
+ false
+ false
+ false
+
+
+
+ true
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Value_NEW
+
+ false
+
+
+
+ 0
+ 20
+ 0
+ Text Update
+ 0
+ true
+ $(P)WL
+
+ 0.0
+
+
+ true
+ true
+ false
+
+
+ true
+ ######
+ $(pv_name)
+$(pv_value)
+ true
+ 1
+ true
+ Text Update
+ 85
+ false
+ dc942cb:193910a1aee:-7818
+ 120
+ 120
+
+
+
+ false
+ false
+ false
+
+
+
+ false
+
+
+
+ 3
+ 1
+
+ true
+
+ ISIS_Value_NEW
+
+ false
+
+
+
+ 0
+ 20
+ 0
+ false
+ 1.7976931348623157E308
+ -1.7976931348623157E308
+ false
+ Text Input
+ 0
+ true
+ $(P)OPO:CRYS:NUDGE:DIST
+
+ 0.0
+
+
+ true
+ true
+ false
+
+
+ 0
+ true
+
+ 0.0
+ $(pv_name)
+$(pv_value)
+ false
+ true
+ Text Input
+ 90
+ dc942cb:193910a1aee:-7817
+ 118
+ 66
+
+
+
+ false
+ false
+
+
+
+ true
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Button_NEW
+
+ false
+
+
+
+ 28
+ true
+
+ <
+ >
+
+ false
+ ChoiceBtn
+
+
+
+
+ true
+ true
+ false
+
+
+
+
+
+ $(pv_name)
+$(pv_value)
+ true
+ Choice Button
+ 90
+ dc942cb:193910a1aee:-780f
+ 216
+ 62
+
+
+
+
+ false
+
+
+
+ 0
+ 1
+ true
+
+ ISIS_Button_NEW
+
+ false
+
+
+
+ 1
+
+ Dummy
+ 0
+
+
+
+
+ true
+ true
+ false
+
+
+
+
+ false
+
+ true
+ Action Button
+ 1
+ dc942cb:193910a1aee:-7803
+ 331
+ 102
+
+
\ No newline at end of file
diff --git a/base/uk.ac.stfc.isis.ibex.opis/resources/opi_info.xml b/base/uk.ac.stfc.isis.ibex.opis/resources/opi_info.xml
index 8b6af12092..822503cafe 100644
--- a/base/uk.ac.stfc.isis.ibex.opis/resources/opi_info.xml
+++ b/base/uk.ac.stfc.isis.ibex.opis/resources/opi_info.xml
@@ -3921,6 +3921,20 @@
+
+ LITRON
+
+
+ UNKNOWN
+ litron.opi
+ The OPI for the LITRON Laser
+
+
+ LITRON
+ LITRON_01
+
+
+
TLFW102C