eSource Optics P/N 25125FNB as follows: Peak WL: 125.0 +/- 2.5nm FWHM: ~20.0 +/- 5nm Peak Transmission: 15% Minimum Diameter: 25.4mm ± 0.25mm Thickness: ~1.5 - 5.0mm Filter Blocking: Approx ~10-3 UV through FIR typical Construction: Unmounted and Open-Faced
eSource Optics / PMB 126, 1225 Providence Rd, Whitinsville, MA 01588 VUV-UV Optical Filters & Mirrors/ VUV-UV Windows/Lenses & Prisms