Optical performance of tapered coupler:
Production based on molten cone pulling technology
Produce 3-window couplers or full band couplers,
Can provide a spectral ratio of 1:99 to 50:50, using
Application in light energy distribution and monitoring; needle
For special spectral ratios and wavelength requirements, it is also possible to
Customized design and manufacturing services for customers

Product features:
Low additional loss
● Low insertion loss and polarization related loss
● High stability and reliability
Application scope:
● FTTH/FTTB/FTTC/CATV system
● Fiber optic communication equipment&systems
0.1 0.15
50/50 ≤ 3.4 ≤ 3.6
40/60 ≤ 4.2/2.5 ≤ 4.4/2.7
30/70 ≤ 5.5/1.9 ≤ 5.7/2.1
20/80 ≤ 7.5/1.3 ≤ 7.8/1.5
10/90 ≤ 10.8/0.9 ≤ 11.3/1.2
5/95 ≤ 13.7/0.45 ≤ 14.2/0.55
3/97 ≤ 15.9/0.35 ≤ 16.8/0.5
2/98 ≤ 17.8/0.3 ≤ 18.5/0.4
1/99 ≤ 21.5/0.25 ≤ 22.5/0.35
≤ 0.15 ≤ 0.2
Typical additional loss (dB)
Insertion loss (dB)
PDL (dB)
Directionality (dB) ≥ 55
Working temperature (℃) -40~+85
grade
Parameter P-level S-level
13101490 and 1550
1310 ± 401490 ± 10 and 1550 ± 40
Working wavelength (nm)
Working bandwidth (nm)
1. The above indicators do not include connectors;
2. Other spectroscopic devices can also be customized for production;