Material: Acrylic (PMMA)
Operating temperature: up to 90°C
Storage temperature: up to 70°C
Non-deposited thin-film interference filter.
Thin-film layers protected on both sides for scratch insensitivity.
Representative curves without anti-reflective coating.
Dimensions:
Circle option: diameter = 12.5 ± 0.15 mm
Square option: (12.5 ± 0.15 mm) x (12.5 ± 0.15 mm)Thickness: < 0.3 mm
Transition Edge Slope <3%
Average Transmission > 85% (without AR coating)
Peak Transmission > 90% (without AR coating)
Cut-off Wavelength Tolerance < 2%
Blocking range: See product specifications below for variations.
AR coating can be added to one side or both sides of all standard and customized products (subject to a Minimum Order Quantity) for ~4% or 8% transmission increase, respectively.
Extended blocking ranges, size, thickness, and shape customization available. Contact us to discuss any customization requests for OEM integration.
Standard shipping for in-stock items: 2-4 business days.
OD 2-3-4 Interference Shortpass Filters
The following addtional cut-off wavelengths are in our production queue to be added as standard options within the next several months.
If you need any products from this list, please contact us to discuss expedite options.
Additional cut-off wavelengths:
400 nm, 425 nm, 450 nm, 525 nm, 575 nm, 725 nm, 775 nm, 825 nm, 875 nm, 925 nm, 950 nm, 975 nm, 1000 nm, 1025 nm, 1050 nm, 1075 nm.Some products are more popular than others. Our team is working hard to replenish all items. If any item of interest to you is listed out-of-stock, please consider pre-ordering them as that will influence the priorities in our production queue.
Thank you for your patience while we are establishing from scratch the largest inventory of the thinnest optical filters in the world.

