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Raman Spectroscopy Filter Sets

Optics, filters & coatings

Raman Spectroscopy Filter Sets

Filter sets that transmit the Raman-scattered spectrum while blocking the high-intensity excitation laser: a laser clean-up filter, an ultra-steep long-pass edge filter and a laser dichroic filter for each excitation wavelength, stocked for 532 nm and 785 nm. The filters are produced by ion-beam-sputtering coating on Veeco equipment.

Stocked models

WavelengthModelFilter typeSizes (mm)Stock status
532 nm532-AAB-54AB-3Laser clean-up filterD25.4×2, 25.4×25.4×2, 12.7×12.7×2In stock
532 nm532-LAB-90CB-3Long-pass edge filterD25.4×2, 25.4×25.4×2, 12.7×12.7×2In stock
532 nm532-LDAB-50AB-SLaser dichroic filter25.4×25.4×2, 12.7×12.7×2In stock
785 nm785-AAB-54AB-3Laser clean-up filterD25.4×2, 25.4×25.4×2, 12.7×12.7×2In stock
785 nm785-LAB-90AB-4Long-pass edge filterD25.4×2, 25.4×25.4×2, 12.7×12.7×2In stock
785 nm785-LDAB-50AB-SLaser dichroic filterD25.4×2, 25.4×25.4×2, 12.7×12.7×2In stock

Features

Feature
High optical density
High transmittance
Ultra-steep edges
Low wavenumber
High laser damage threshold
Long lifetime