Description
1535nm narrow band filter infrared filter diameter 25.4mm thickness 2mm optical glass filter customization
Specifications
Center Wavelength (CWL): 1535 nm ± 2 nm (1550 nm / 1625 nm also available)
Half Bandwidth (FWHM): 10 nm / 20 nm / 30 nm / 40 nm (custom)
Peak Transmittance (Tpeak): ≥ 60%–80% (substrate dependent; Fused Silica typical)
Blocking Range: 400–2200 nm (or specified sub-ranges)
Blocking Level (Cut-off Depth): ≥ OD3 / OD4 standard; OD5 optional
Substrate Material: UV Fused Silica (JGS1 — preferred for 1535 nm good T & low OH⁻), Germanium (Ge), CaF₂
Substrate Diameter: Ø25.4 mm (1″) — other sizes 10–100 mm available
Substrate Thickness: 2.0 mm (±0.1 mm); 1.0 / 3.0 mm optional
Surface Quality: 60-40 / 80-50 Scratch-Dig (IR-grade relaxed per agreement)
Surface Flatness: λ/4 @ 632.8 nm (reference) or λ/2 @ 10.6 µm equivalent
Parallelism: ≤ 1 arcmin
Incidence Angle: 0° ± 5° (AOI-tuned design on request)
Coating Durability: Humidity & thermal cycled per MIL-STD; soft brush clean only (IR coatings)
Edge Treatment: Ground / beveled; optional edge blackening
Factory custom optical filter,can cutom as your required,
please contact our sales manager
Contact: Rebecca Xu
EmailL: rebecca@supplieroptical.com
We are professional manufacture on the optical lenses &lasers for over 20 years experience.
With the advanteges,we offer optical products in the fileds of University laboratory, Industry, Scientific research,Medical treatment, Mechanical equipments, lasers and Construction industry and so on.
We can provide optical lenses, optical prisms, high-precision Powell prisms, right-angle prisms, laser lenses, filters, aspherical lenses, collimating lenses, optical glass lenses, optical reflectors, cylindrical lenses, laser modules, laser heads, optical glued lenses, optical rod mirrors, etc.
Looking forward to communicating whether we have the opportunity to cooperate. For the lens/laser products you need, I would like to quote our competitive price.
Please contact for any custom needs,
Contact:Rebecca Xu
