Description
2100nm 2940nm beauty filter fully reflective lens erbium laser beauty lens
Specifications
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Design Wavelength(s): 2940 nm (Er:YAG primary) ± 2100 nm (Er:Cr:YSGG / Tm,Ho:YAG) — single- or dual-band HR on request
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Reflectance (R): ≥ 99.0% @ 2940 nm; ≥ 98.5% @ 2100 nm (dual-band version)
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Partial Reflector (OC) Version: Available with R = 90% / 95% / 97% / 98% @ 2940 nm for output coupler use
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Substrate Material:— ZnSe (most common — low absorption @ 2.94 µm, good thermal conductivity)— Calcium Fluoride (CaF₂) — lower n, good for low-wavefront applications; hygroscopic caution— Sapphire (Al₂O₃) — high durability, limited size; for cavity end mirrors in sealed heads— Note: BK7 / fused silica NOT suitable — strong absorption >2.5 µm
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Mirror Figure: Plane / Spherical Concave (ROC per cavity design — typical R = 150–500 mm for Er:YAG cavity) / Convex on request
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Diameter Range: 10 mm – 100 mm (common Ø12.7 / Ø25.4 / Ø50 mm)
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Thickness: 2 mm – 10 mm (typical 3 / 5 / 6 mm)
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Surface Flatness (Plane): λ/10 or λ/4 @ 632.8 nm (tested pre-IR coating; λ/2 @ 10.6 µm equivalent)
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Surface Quality: 40-20 / 60-40 Scratch-Dig (IR-grade)
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Centration (Curved): ≤ 3 arcmin
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
