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.920μm;Typ.980μm;Max.1040μm Cladding Diameter:Min.940μm;Typ.1000μm;Max.1060μm 2.Approximate Weight 1 g / m 3.Maximum Rating Storage and Operation Temperature:-55~+70℃ Operation Temperature under high humidity:[ 95 %RH] + 60℃ 4.Optical Properties Transmission Loss 650 nm Collimated Light ] [ Standard condition ] [ 10 m - 1 m cutback ] 200 dB/km 5.Mechanical Characteristics Minimum Bend Radius:Loss Increment =< 0.5 dB [ Quarter bend ] 20 mm Tensile Strength:[Tensile Force at Yield Point] [ JIS C 6861] 65N