Interspectrum

Interference optical filter
Interspectrum

  • interference optical filter Interspectrum
Made with non-hydroscopic materials, these filters have much improved longevity in harsh environments compared to standard "off the shelf" soft hydroscopic film filters, which begin to degrade after as little as one year. Our Interference Filters have an anticipated working life of five years.

The center wavelength of the filter will shift toward shorter (blue) wavelengths as the angle of incidence increases; the greater the angle the greater the shift. This is known as blue shifting.



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