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980 nm RazorEdge® ultrasteep long-pass edge filter

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RazorEdge filters allow you to see the weakest signals closer to the laser line, especially for Raman spectroscopy applications. With their deep laser-line blocking, ultrawide and low-ripple passbands, hard-coated reliability, and high laser damage threshold, they offer lasting performance and value.

Optical Specifications
Transmission BandTavg > 93% 992.7 – 2000 nm
Laser Wavelength980 nm
Edge Wavelength987.7 nm
Blocking BandODavg > 6 770 – 980 nm (typical)
ODabs > 6 980 nm
Transition Width101 cm-1
9.8 nm
Edge Steepness0.5%
4.9 nm
50.8 cm-1


General Specifications
Angle of Incidence0 ± 2 °
Cone Half-angle5 °
Filter Effective Index1.82 Understanding 'Effective Index of Refraction' neff
Optical Damage Rating0.5 J/cm² @ 266 nm (10 ns pulse width),1 J/ @ 53 cm² 2 nm (10 ns pulse width)


Physical Specifications (for standard parts - please contact us for custom sizes)
Transverse Dimensions, Diameter25 mm
Filter Thickness, Mounted3.5 mm
Filter Thickness Tolerance, Mounted± 0.1 mm
Filter Thickness, Unmounted2.0 mm
Filter Thickness Tolerance, Unmounted± 0.1 mm
Clear Aperture≥ 22 mm
Surface Quality (Scratch-Dig)60-40
Substrate TypeFused Silica
OrientationArrow on ring is preferred direction of propagation of light


LP02-980RU-25

  • Size: 25 x 3.5 mm
  • Transverse Dimensions, Diameter: 25 mm

LP02-980RU-50

  • Size: 50 x 3.5 mm
  • Transverse Dimensions, Diameter: 50 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
LP02-980RU_Spectrum

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LP02-980RU

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