The following lists show a selection of our enormous filter range. You should find filter materials there to suit most NVG compatibility requirements, but it is not exhaustive and we frequently design and produce specials or custom filters to match specific customer requirements.

The links below will take you to specific sections on the page.

If you do not see what you need please ask. Not all datasheets are immediately available as downloads, but again please ask if the one you need is not shown.

Filters for White LED Sources   Filters for Coloured LED Sources    Filters for Filament Lamp Sources    Filters for Monochrome LED Displays  

Filters for OLED Displays    Filters for Electroluminescent Displays    Filters for Multicolour LCDs    Filters for CRT Displays

CTL Material Part No Nominal Thickness Colour Category Transmission Notes Datasheet

Filters for White LED Sources
Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-R054 2.5mm NVIS Green A Class A 15%
CTL-R066 1.5mm NVIS Green A Class A 18% pdficon_small
CTL-R068 1mm NVIS Green B Class A 32% pdficon_small
CTL-R073 1mm NVIS Green A Class A 25% pdficon_small
CTL-R100 1mm NVIS White Class A 34% pdficon_small
CTL-R101 3mm White Class B 69% LED warship flight deck illumination pdficon_small
CTL-R106 1mm NVIS Yellow Class A 11% pdficon_small
CTL-R114 1.1mm NVIS Yellow Class B 31% pdficon_small
CTL-R119 2mm NVIS Green A Class A 28% pdficon_small
CTL-R129 0.5mm NVIS Green B Class A 29% pdficon_small
CTL-R156 1.5mm NVIS Yellow Class A 13% pdficon_small
CTL-R177 1.1mm NVIS Green A Class A 21% Eurocopter NH90 chromaticity specification pdficon_small
CTL-R197 1mm NVIS White Class A 34% pdficon_small
CTL-R198 1mm Blue Class A 9% pdficon_small
CTL-R290 0.25mm White Class A 30% Flexible extruded material for cockpit floodlights pdficon_small
CTL-R075 0.25mm N/A N/A > 60% General purpose flexible IR absorber pdficon_small
Polymer Absorption for Machined Ring Filters for White LEDs in Backlit Panels (Machined wall thickness/Sheet thickness)
CTL-R097 0.7mm/5mm NVIS Green A Class A 22% pdficon_small
CTL-R112 0.7mm/5mm NVIS Green B Class A 22% pdficon_small
CTL-R133 0.7mm/3mm NVIS Green A Class A 22% pdficon_small

Filters for Coloured LED Sources
Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches etc
CTL-R064 2.5mm NVIS Green B Class A 58% 557nm dominant wavelength LED source
CTL-R093 1mm NVIS Yellow Class B 48% 588nm dominant wavelength LED source pdficon_small
CTL-R121 1.1mm NVIS Yellow Class A 23% 588nm dominant wavelength LED source pdficon_small
CTL-R142 1.1mm NVIS Red Class B 69% 605nm dominant wavelength LED source pdficon_small
CTL-R183 1mm NVIS Green A Class A 28% 532nm dominant wavelength LED source pdficon_small
CTL-R202 2.5mm NVIS Green A Class A 28% 532nm dominant wavelength LED source pdficon_small
Polymer Absorption for Machined Ring Filters for Coloured LEDs in Backlit Panels etc (Machined wall thickness/Sheet thickness)
CTL-R098 0.7mm/5mm NVIS Green A Class A 34% 532nm dominant wavelength LED source

Filters for Filament Lamp Sources
Flat Glass Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-A01X 1, 1.5, 2, 3mm NVIS Green B Class A 9% Absorption filter glass pdficon_small
CTL-A02X 1, 1.5, 2, 3mm NVIS Green A Class A 15% Absorption filter glass pdficon_small
CTL-A03X 1, 1.5, 2, 3mm NVIS Green A Class A 11% Absorption filter glass pdficon_small
CTL-A04X 1, 1.5, 2, 3mm NVIS Yellow Class B 16% Absorption filter glass pdficon_small
CTL-T080 1mm, 2mm NVG White Class A 60% Coated glass interference filter pdficon_small
CTL-L050 2.2mm NVIS Red Class B 21% Hybrid glass laminate pdficon_small
CTL-L070 2.2mm NVIS Red Class B 18% Enhanced off-axis performance pdficon_small
Flat Polymer Absorption Filters suitable for Indicator Lights, CWPs, Switches, some floodlights etc
CTL-R053 2.5mm NVIS Green A Class A 7% pdficon_small
CTL-R054 2.5mm NVIS Green B Class A 10% pdficon_small
CTL-R055 2.5mm NVIS Yellow Class A 12% pdficon_small
CTL-R056 2.5mm NVIS Yellow Class B 19%
CTL-R057 2.5mm Red UK WP6 14% pdficon_small
CTL-R070 1mm NVIS Green B Class A 16% CTL-R091 for AR coated variant pdficon_small
CTL-R071 1mm Red UK WP6 14% pdficon_small
CTL-R072 1mm NVIS Yellow Class B 19% pdficon_small
CTL-R074 1mm NVIS Green A Class A 8% For 2000K source pdficon_small
CTL-R080 1mm NVIS Green A Class A 7% pdficon_small
CTL-R081 1mm NVIS Yellow Class A 14% CTL-R084 for AR coated variant pdficon_small
CTL-R153 1.1mm NVIS Green A Class A 11% pdficon_small
CTL-R200 2.5mm White UK WP6 19% pdficon_small
Polymer Absorption for Machined Ring Filters for Filament Lamps in Backlit Panels etc (Machined wall thickness/Sheet thickness)
CTL-R103 1.5mm/4mm NVIS Green A Class A 14%
CTL-R104 0.7mm/4mm NVIS Green A Class A 14%
CTL-R107 0.7mm/5mm NVIS Green B Class A 9%
CTL-R108 1.5mm/4mm NVIS Green A Class A 14%
CTL-R139 0.7mm/3mm NVIS Green A Class A 14%
CTL-R140 1.5mm/3.3mm NVIS Green B Class A 14%
CTL-R191 0.7mm/4.8mm NVIS Green A Class A 14%

Filters for Monochrome LED Displays
Flat Polymer Absorption Filters
CTL-R110 1.1mm N/A Class B 69% 572nm dominant wavelength, AR coating pdficon_small
CTL-R111 1.1mm N/A Class B 69% 572nm dominant wavelength pdficon_small
CTL-R115 1.1mm NVIS Green B Class A 29% 568nm dominant wavelength, AG finish pdficon_small
CTL-R158 0.75mm N/A Class B 31% 568nm dominant wavelength pdficon_small
CTL-R169 2mm N/A Class A 12% 574nm peak wavelength, high contrast, ITO rear pdficon_small
CTL-R228/229 2.5mm N/A Class A 27% 567nm dominant wavelength, R229 with AR coating pdficon_small
Flat Hybrid Glass/Polymer Absorption Filters
CTL-R162 2mm N/A Class A 23% 568nm dominant, NS Glass thin wall, AR one face pdficon_small
CTL-R164 2.5mm N/A Class A 27% 568nm dominant, NS Glass, AR one face pdficon_small

Filters for OLED Displays
Flat Polymer Absorption Filter
CTL-R179 0.5mm M/C Class B 54% Multi-colour OLED display filter pdficon_small
CTL-R291 1.0mm Green A Class A 49% Green OLED display filter pdficon_small
CTL-R292 1.0mm Green A Class B 71% Green OLED display filter pdficon_small

Filters for Electroluminescent Displays
Flat Polymer Absorption Filters
CTL-R063 2.5mm N/A Class A 45% Monochrome TFEL display pdficon_small
CTL-R076 0.2mm NVIS Green A Class A 54% For green EL source pdficon_small

Filters for Multicolour LCDs
Flat Polymer Absorption Filters
CTL-R235 1.0mm M/C Class B 30% White LED backlit display, AR, AG variants pdficon_small
CTL-R236 2.5mm M/C Class B 30% White LED backlit display, AR, AG variants pdficon_small
CTL-R192 0.5mm M/C Class B 29% White LED, ideal as internal backlight filter pdficon_small
CTL-R225 0.5mm M/C Class B 28% iPad filter, AG finish front face pdficon_small
CTL-R059 2.5mm M/C Class B 26% CCFL backlit display pdficon_small
CTL-R095 2.5mm M/C Class B 24% CCFL, AG finish one face pdficon_small
Flat Glass Absorption Filters
CTL-C010 1.5mm M/C Class B 61% White LED backlight pdficon_small
CTL-C020 1mm, 2mm M/C Class B 68% For backlight or front filter. AR coating available.
Flat Glass Interference Filter
CTL-T091 1mm, 2mm M/C Class B 90% High transmission pdficon_small

Filters for CRT Displays
Flat Polymer Absorption Filters
CTL-R060 2.5mm M/C Class B 37% Full colour CRT display pdficon_small
CTL-R061 2.5mm N/A Class A 30% Monochrome, P31 phosphor pdficon_small
CTL-R062 2.5mm N/A Class A 8% Monochrome, P43 phosphor pdficon_small
CTL-R082 1mm M/C Class B 43% Full colour CRT display pdficon_small
CTL-R157 2.5mm N/A Class A 30% Monochrome, P31 phosphor, AR coating one face pdficon_small