SquareplanewindowsLaserfinishbothsidesApplyanyanti-reflectingcoatingThesesquareplanewindowsarepolishedtoalasergradefinishonbothsides.Theyareintendedfortransmissiveuseandareparalleltobetterthan3arcminutes.Selectacoatingappropriatetoyourapplicationorcontactuswithyourspecialcoatingrequirements. PartNo.     LtFlatness LengthThicknessMaterial perinchSWI-1206B0.50″0.250″BK7Aλ/10SWI-1906B0.75″0.250″BK7Aλ/10SWI-2502B1.00″1.5mmBK7Aλ/2SWI-2503B1.00″3.0mmBK7Aλ/4SWI-2506B1.00″0.250″BK7Aλ/10SWI-3806B1.50″0.250″BK7Aλ/10SWI-4002B40mm1.5mmBK7Aλ/2SWI-5001B2.00″1.0mmBK7Aλ/2SWI-5002B2.00″2.0mmBK7Aλ/2SWI-5009B2.00″0.375″BK7Aλ/10SWI-1206B0.50″0.250″UVF.S.λ/10SWI-1906B0.75″0.250″UVF.S.λ/10SWI-2502B1.00″1.5mmUVF.S.λ/2SWI-2503B1.00″3.0mmUVF.S.λ/4SWI-2506B1.00″0.250″UVF.S.λ/10SWI-3806B1.50″0.250″UVF.S.λ/10SWI-4002B40mm1.5mmUVF.S.λ/2SWI-5001B2.00″1.0mmUVF.S.λ/2SWI-5002B2.00″2.0mmUVF.S.λ/2SWI-5009B2.00″0.375″UVF.S.λ/10SpecificationsSurfaceFlatness: SeetableSurfaceQuality: ＜10/5(bothsides) Wedge: ≤3arcminDiameterTolerance: ＜+0.00/-0.20mmThicknessTolerance:  ＜±0.25mmClearAperture:  ≥85%ofsideBevel:  0.3mm(typital)*45°