1. Optical Fiber: Core Material:Polymety l - Methacrylate Resin Cladding Material:Fluorinated Polymer Core Refractive Index:1.49 Numerical Aperture:0.5 Refractive Index Profile:Step Index Core Diameter:Min.217μm;Typ.240μm;Max.263μm Cladding Diameter:Min.227μm;Typ.250μm;Max.273μm 2. Approximate Weight:0.06 g / m 1.Maximum Rating Storage and Operation Temperature: -55~+70℃ Operation Temperature under high humidity: [ 95 %RH] + 60℃ 2.Optical Properties Transmission Loss:60nm Collimated Light ] [ Standard condition ] [ 10 m - 1 m cutback ] 350 dB/km 3.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [ Quarter bend ] 5mm Tensile Strength:[Tensile Force at Yield Point] [ JIS C 6861] 3N