(주)원우시스템즈

High-pass Filters are transmissive approximately 50% at the nominal cutoff wavelength, >99% at wavelengths 50 nm higher than the cutoff, and less than 0.1% at 50 nm lower than the cutoff. High-pass filters are used to block second orders, test for stray light, and block excitation energy in fluorescence or Raman experiments.
Balancing Filters absorb energy in some regions while transmitting in others. The BG34 filter, for example, reduces the intensity of light at 600 nm from a tungsten halogen bulb while transmitting all of the light at the blue and red regions, where detector sensitivity is lower.
Bandpass Filters transmit a particular wavelength range while rejecting energies higher and lower than the selected range.

High-pass Filters
OF2-WG305	pass >305 nm	square 25.4 x 25.4 x 3 mm
OF2-GG375	pass >375 nm	square 25.4 x 25.4 x 3 mm
OF2-GG395	pass >395 nm	square 25.4 x 25.4 x 3 mm
OF2-GG475	pass >475 nm	square 50.8 x 50.8 x 3 mm or square 25.4 x 25.4 x 3 mm
OF2-OG515	pass >515 nm	square 25.4 x 25.4 x 3 mm
OF2-OG550	pass >550 nm	square 25.4 x 25.4 x 3 mm
Balancing Filters
OF2-FG3	enhance blue and red	square 25.4 x 25.4 x 3 mm
OF2-BG34R	enhance blue and red	round 12.7 mm OD
Bandpass Filters
OF2-KG3	>325 nm and <700 nm	square 25.4 x 25.4 x 3 mm
OF2-U360	>340 nm and <380 nm	square 25.4 x 25.4 x 3 mm
OF2-RG780	>780 nm and 50% transmission <2.7 μm	square 25.4 x 25.4 x 3 mm
Filter Kit for use with LS-1 Light Source
OF2-LS	BG-34, GG395, OG550, Teflon diffusers