diff --git a/src/etc/data/comp/optics/BAL15Y_glass.dat b/src/etc/data/comp/optics/BAL15Y_glass.dat
new file mode 100644
index 0000000..5f1924e
--- /dev/null
+++ b/src/etc/data/comp/optics/BAL15Y_glass.dat
@@ -0,0 +1,35 @@
+# Wavelength [nm]	Transmittance [0..1]
+# Transmission for Ohara BAL15Y and 10mm thickness
+# From: https://www.ohara-gmbh.com/fileadmin/user_upload/export-data/pdf/product_datasheets/BAL15Y_English_.pdf
+290     0
+300     0.17
+310     0.59
+320     0.840
+330     0.937
+340     0.971
+350     0.985
+360     0.992
+365     0.994
+370     0.995
+380     0.996
+390     0.997
+400     0.998
+420     0.998
+440     0.998
+460     0.998
+480     0.998
+500     0.999
+550     0.999
+600     0.999
+650     0.998
+700     0.999
+800     0.999
+900     0.998
+1000    0.996
+1200    0.995
+1400    0.989
+1600    0.992
+1800    0.984
+2000    0.972
+2200    0.927
+2400    0.890
diff --git a/src/etc/data/comp/optics/BSM51Y_glass.dat b/src/etc/data/comp/optics/BSM51Y_glass.dat
new file mode 100644
index 0000000..cfcc4c9
--- /dev/null
+++ b/src/etc/data/comp/optics/BSM51Y_glass.dat
@@ -0,0 +1,35 @@
+# Wavelength [nm]	Transmittance [0..1]
+# Transmission for Ohara BSM51Y and 10mm thickness
+# From: https://www.ohara-gmbh.com/fileadmin/user_upload/export-data/pdf/product_datasheets/BSM51Y_English_.pdf
+285     0
+290     0.03
+300     0.33
+310     0.69
+320     0.88
+330     0.950
+340     0.977
+350     0.988
+360     0.993
+370     0.996
+380     0.997
+390     0.998
+400     0.998
+420     0.998
+440     0.998
+460     0.999
+480     0.999
+500     0.999
+550     0.999
+600     0.999
+650     0.999
+700     0.999
+800     0.999
+900     0.999
+1000    0.997
+1200    0.997
+1400    0.985
+1600    0.992
+1800    0.983
+2000    0.967
+2200    0.89
+2400    0.78
diff --git a/src/etc/data/comp/optics/S-FPL51Y_glass.dat b/src/etc/data/comp/optics/S-FPL51Y_glass.dat
new file mode 100644
index 0000000..af589c5
--- /dev/null
+++ b/src/etc/data/comp/optics/S-FPL51Y_glass.dat
@@ -0,0 +1,41 @@
+# Wavelength [nm]	Transmittance [0..1]
+# Transmission for Ohara S-FPL51Y and 10mm thickness
+# From: https://www.ohara-gmbh.com/fileadmin/user_upload/export-data/pdf/product_datasheets/S-FPL51Y_English_.pdf
+225     0
+240     0.04
+250     0.07
+260     0.21
+270     0.34
+280     0.51
+290     0.67
+300     0.80
+310     0.89
+320     0.943
+330     0.971
+340     0.986
+350     0.994
+360     0.996
+365     0.997
+370     0.998
+380     0.999
+390     0.999
+400     0.999
+420     0.999
+440     0.999
+460     0.999
+480     0.999
+500     0.999
+550     0.999
+600     0.999
+650     0.999
+700     0.999
+800     0.999
+900     0.999
+1000    0.998
+1200    0.998
+1400    0.999
+1600    0.999
+1800    0.998
+2000    0.998
+2200    0.996
+2400    0.995
diff --git a/src/etc/data/comp/optics/S-LAL7Q_glass.dat b/src/etc/data/comp/optics/S-LAL7Q_glass.dat
new file mode 100644
index 0000000..5daf194
--- /dev/null
+++ b/src/etc/data/comp/optics/S-LAL7Q_glass.dat
@@ -0,0 +1,36 @@
+# Wavelength [nm]	Transmittance [0..1]
+# Transmission for Ohara S-LAL7Q and 10mm thickness
+# From: https://www.ohara-gmbh.com/fileadmin/user_upload/export-data/pdf/product_datasheets/S-LAL7Q_English_.pdf
+275     0
+280     0.01
+290     0.03
+300     0.08
+310     0.19
+320     0.34
+330     0.51
+340     0.67
+350     0.79
+360     0.88
+370     0.930
+380     0.960
+390     0.974
+400     0.983
+420     0.990
+440     0.994
+460     0.995
+480     0.997
+500     0.998
+550     0.998
+600     0.997
+650     0.997
+700     0.998
+800     0.998
+900     0.998
+1000    0.998
+1200    0.998
+1400    0.984
+1600    0.989
+1800    0.977
+2000    0.948
+2200    0.83
+2400    0.59