Narrow frequency-range optical filters for filtering out light of a specific wavelength from a spectrum featuring multiple wavelengths or for making a nearly mono-chromatic light source from a continuous spectrum.
Diameter: 40 mm
Thickness: 3 mm
Precision: 3 nm
Band width (full width half maximum): 10 nm
Transmission: > 60 %
Parasitical transmission: < 1 %
Wavelength: 436 nm
Filtered spectral lines: Blue mercury line
![Interference Filters, 436 nm, 1008671 [U22020], Optical Components on Stem](/imagelibrary/U22020/U22020_01_Interference-Filters-436-nm.jpg)
![Interference Filters, 436 nm, 1008671 [U22020], Optical Components on Stem](/thumblibrary/U22020/U22020_01_1200_1200_Interference-Filters-436-nm.jpg)
![Interference Filters, 546 nm, 1008670 [U22019], Optical Components on Stem](/thumblibrary/U22019/U22019_01_140_140_Interference-Filters-546-nm.jpg)
![Interference Filters, 578 nm, 1008672 [U22021], Optical Components on Stem](/thumblibrary/U22021/U22021_01_140_140_Interference-Filters-578-nm.jpg)