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Three-spot Diffractive Lens, Fused Silica - Model #: 3LD-1140-FS-ET4.8-SS8.5
1.10“ Ø X 0.189” (4.80mm) E.T.
EFL: 4.0”
Spot separation: 8.5mm
Coated: AR/AR @ 1060nm
Replaces: Coherent® P/N: 45-3886
Three-spot Diffractive Lenses for Nd:YAG Lasers
Fused silica
Produces three spots from a single beam
Uniform spot intensity (within 5%)
87% efficiency
Suitable for high power lasers
Etched onto a polished fused silica substrate
Focused spots form a straight line holding 87% of total energy
Common applications include material processing in which equidistantly spaced holes are needed
