Plano Convex Lens Cylindrical ZnSe - Model #: LPCYZ-1575-ET3.0
Size: 1.50”Ø X .120” ± .010”
EFL=7.50” @ 10.6µm
Coated AR/AR @10.6µm
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Material: ZnSe Laser Grade C.V.D. type
Diameter Tolerances: +.000", -.005"
Surface Figure: < 1/40 wavelength @ 10.6µm
Centration: < .001"
Focal Length Tolerance: ±1.0%
Surface Quality: < 40/20 scratch-dig Laser Finish
Standard AR Coating type Both Sides @ 10.6µm (AR)
Absorption: < 0.25 % total
Reflectance: < 0.20% per surface @ 10.6µm
Transmittance: > 99.0% typical
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Dual Band AR Coating type Both Sides @ 10.6µm and .633µm (DBAR)
Absorption: < 0.30 % total
Reflectance: < 0.25% per surface @ 10.6µm
Transmittance: > 98.5% @ 10.6µm with > 90% @ .633µm
Squared Lenses also available
Circular Lenses with different focal length and diameter by request