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442 US LPF Iridian Long Edge Ultra Steep Filter for Spectroscopy

442 US LPF Iridian Long Edge Ultra Steep Filter for Spectroscopy
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442 US LPF Iridian Long Edge Ultra Steep Filter for Spectroscopy
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  • Model: Iridian 442 US LPF S
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Dichroic Edge Pass, Long Edge Ultra Steep Filter for Spectroscopic applications   

442 US LPF   

Iridian Ultra Steep Edge Pass filters deliver superior performance in spectroscopy experiments. Their hard dielectric coatings do not require cover glasses for durability, greatly improving the transmission levels when compared to traditional filters.

Designed to isolate one band of wavelengths from another by reflection or transmission, these filters are used to separate the excitation source wavelength from the emission wavelengths in spectroscopy.

The high blocking of these edge filters improves spectral noise reduction by eliminating the need for additional filtering.

Specifications
Laser Line (nm)442
Blocking Level (OD)6
Cut Off (cm-1)70
Cut Off (%)< 0.5
Pass Band (nm)444.8 – 1200
Pass Band Level (%)90
Pass Band Ripple (%)4
Angle of Incidence
Outer Diameter of ½" or 1" optics (mm)12.5 +0/-0.1 or 25 +0/-0.2
Clear Aperture of ½" or 1" optics (mm)8 or 21
Thickness (mm)3 ±0.1
Ring mountedYes
Ring Thickness (mm)5 ±0.1
Scratch / Dig60/40
About Edge Filters for Raman Spectroscopy  Download PDF

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