Optical Filters

Optical Filters

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Ocean Optics makes available high-quality glass filters that absorb light energy in certain regions of the spectra. These OF2 series filters fit easily into our light sources, cuvette holders and sample holders for a variety of applications.

  • High-pass filters often are used to block second orders, test for stray light and block excitation energy in fluorescence and Raman experiments.
  • Balancing filters absorb energy in some regions while transmitting in others. For example, the OF2-BG34R filter reduces the intensity of light from a tungsten halogen bulb at 600 nm while transmitting all of the light at the blue and red regions.
  • Bandpass filters transmit a particular wavelength range while rejecting energies higher and lower than the selected range.
  • Multiple options – selections include high-pass, low-pass and balancing filters
  • Convenient – filters install easily into the optical path of your spectrometer setup
  • Glass material – precision absorbing filters for visible wavelength region

OF2 High-pass Filters

Engineering Specifications High-pass Wavelength Dimensions
OF2-WG305 Pass >305 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-GG375 Pass >375 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-GG395 Pass >395 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-GG400 Pass >400 nm 8 mm diameter x 2-2.5 mm thickness
OF2-GG475 Pass >475 nm 25.4 mm x 25.4 mm x 3 mm square or 50.8 mm x 50.8 mm x 3 mm square
OF2-OG515 Pass >515 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-OG550 Pass >550 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-OG590 Pass >590 nm 25.4 mm x 25.4 mm x 3 mm square

OF2 Balancing Filters

Engineering Specifications Transmitting Wavelength Regions Dimensions
OF2-BG34R Enhanced blue and red 12.7 mm OD round
OF2-FG3 Enhanced blue and red 25.4 mm x 25.4 mm x 3 mm square

OF2 Bandpass Filters

Engineering Specifications Transmitting/Rejecting Wavelength Regions Dimensions
OF2-KG3 >325 nm and <700 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-U360 >340 nm and <380 nm 25.4 mm x 25.4 mm x 3 mm square
OF2-RG780 >780 nm and 50% <2700 nm 25.4 mm x 25.4 mm x 3 mm square

Applications in which this product is used:

Measurement Techniques in which this product is used: