Chroma Technology Corp.

  • 50% greater signal intensity than spectrally similar soft-coated filters
  • Sputtered coatings, which are much more durable, harder and longer lasting than soft coatings
  • Less costly than similar sputtered filters from competitors
  • Elimination of heavy-metal-containing absorption glass

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Tower Optical Corporation

Tower Optical can supply Custom Optical Bandpass Filters to your design and to suit your specific applications. Read more...

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Ross Optical Industries

These glass filters are used to selectively transmit a certain wavelength range and block others or to reduce the amount of heat transmitted through the system. They are categorized inot long pass filters, short pass filters, band pass filters, heat and neutral density filters. Read more...

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Cascade Optical Corp.

Band-pass filters are usually divided in two groups: 1. Broadband pass filters, and 2. Narrowband pass filters. Although there are no bandwidth values that define narrow or broad filters in UV or visible or in IR, it is common to consider filters that have bandwidth 2% or less of the central or peak wavelength as narrowband. Read more...

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