Focused spot size (FWHM), : ~2.3 um
Working distance, ~10 um

Fiber: single-mode, Corning smf-28, primary coated
Fiber end termination: FC/APC
Fiber length, m : ~ 1
Stripped area, mm: ~14
Testing wavelengths, nm: 1310/1550 nm
Back reflection loss, dB: ~ -30