| product | working wavelength(nm) | fiber length (mm) | fa grinding surface angle ( °) |
fiber type | isolation (db） |
insertion loss（db) |
return loss （db） |
material | channel |
| fa-fsi | 1270-1610 | customized | 0±0.1° | g652d g657a customized |
>35 | <0.40 | >50 | quartz glass pyrex glass tempax glass |
1ch/4ch/8ch /12ch/customized |
