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.693μm;Typ.738μm;Max.783μm Cladding Diameter:Min.705μm;Typ.750μm;Max.795μm 2.Approximate Weight:0.6 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 ] 15 mm Tensile Strength :[Tensile Force at Yield Point] [ JIS C 6861] 35N