Polishing performance specifications:

1). UPC return  loss: < -55 dB

2). APC return  loss: < -65 dB

3). UPC insertion loss: < 0.3 dB

4). APC insertion loss: < 0.3 dB

5). Apex offset: <50 uM

6). Fiber undercut: <50 nM

7). Radius of curvature:10~25 mm