polarization maintaining fiber v groove array

{"cid":"91225189","title":"Polarization Maintaining Fiber Array PM V Groove Fiber Array High Precision Quartz Pyrex Silicon 1 To 64 Channel","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/ff\/357156bad0574162eae0dfff7940-200x200-1.jpg","attrs":{"Brand Name":"Gracyfiber","Minimum Order Quantity":"100pcs","Delivery Time":"5-8 work days","Certification":"ISO9001 , ROHS","Place of Origin":"Guangdong , China","Payment Terms":"L\/C,T\/T","Supply Ability":"100,000 pieces per month","Fiber pitch":"250 \u00b5m","Operating temperature":"-40\u00b0C to 85\u00b0C","Operating wavelength":"1260 nm to 1625 nm","Insertion loss":"< 0.3 dB","Return loss":"> 55 dB","Extinction ratio":"\u226525 dB","Name":"Fiber V Groove Array"}}