1.Optical Fiber Core Material:Polymety l - Methacrylate Resin Cladding Material:luorinated Polymer Core Refractive Index:1.49 Numerical Aperture:0.5 Refractive Index Profile:Step Index Core Diameter:Min.456μm Typ. 486μm Max.516μm Cladding Diameter:Min.470μm Typ.500μm Max.530μm 2.Approximate Weight:0.3 g / m 3.Maximum Rating Storage and Operation Temperature:-55~+70℃ Operation Temperature under high humidity:[ 95 %RH] +60℃ 4.Optical Properties Transmission Loss:650nm Collimated Light ] [ Standard condition ] [ 10 m - 1 m cutback ] 250 dB/km 5.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [Quarter bend ] 10 mm Tensile Strength:[Tensile Force at Yield Point] [ JIS C 6861] 14N