numerical aperture of optical fibre

{"title":"Outdoor aerial armoured 4 core GYXTW fiber optic cable 6 8 12 core 24 core fibre optical cables","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/09\/87\/5d0840033900d0594907a5904e34-200x200-1.jpg","attrs":{"Price":"80-200USD\/KM","Brand Name":"Jiqian","Model Number":"GYXTW","Minimum Order Quantity":"1KM","Delivery Time":"3-5 days, it depends on your quantity","Certification":"CE\/ISO9001","Place of Origin":"Guangdong,China","Payment Terms":"L\/C, D\/A, T\/T, Western Union, MoneyGram","Supply Ability":"60000KM\/month","Packaging Details":"wooden drum","Fiber count":"4 6 8 12 24 core","Sheath":"PE","Warranty":"25 years","MOQ":"1KM","OEM":"Yes","Amoured":"no","Length":"1\/2\/3\/4\/5KM","Feature":"Tensile and compressive"}}

{"title":"GYXTW G652D Black Fiber Cable Single Mode Armoured Duct Aerial","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4f\/67\/5360073c5f9a812a7d79e36df35f-200x200-1.jpg","attrs":{"Price":"0.13","Brand Name":"TTI OR OEM","Model Number":"GYXTW Fiber Optical Cable","Minimum Order Quantity":"1000M","Delivery Time":"Negociated","Certification":"ISO9001 \/ ISO14001 \/ ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, , ","Supply Ability":"50000km\/momth","Packaging Details":"wood Drum","Fiber type":"G652D G657A1 G657A2","Application":"FTTX","Color":"Black","Material":"PE","Product namee":"Aerial\/Duct\/Direct","Operating temperature":"-40 to 70","Wavelength":"1310nm or 1550nm","Type":"SM","Length":"Customizted","Quality control":"100% test before shipping","Package":"Wooden Drum","Sheath":"MDPE\/HDPE\/LSZH\/PVC"}}