Compact Size 1x3 1x4 Monolithic Single Mode Optical Couplers 1310nm/1550nm
1×3, 1×4 monolithic couplers have the compact package size, low insertion loss, and high reliability performance. These couplers were designed for optical modules, the fiber sensors and fiber testing instruments.
Features
Low excess
loss Low PDL
High stability and reliability
Application
CATV
Optical communication systems
Testing instruments
Specifications
Type | Normal | Ultra Broadband |
Parameter |
Grade | P | A | P | A |
Operating wavelength (nm) | 1310 and 1550 |
Operating bandwidth (nm) | ±40 | ±80 |
Typical excess loss (dB) | 0.07 | 0.1 | 0.07 | 0.1 |
Insertion loss (dB) | 50/50 | ≤3.6 | ≤3.8 | ≤3.8 | ≤4.0 |
45/55 | ≤4.2/3.2 | ≤4.4/3.4 | ≤4.5/3.3 | ≤4.7/3.5 |
40/60 | ≤4.7/2.7 | ≤4.9/2.9 | ≤5.0/2.8 | ≤5.2/3.0 |
35/65 | ≤5.4/2.4 | ≤5.7/2.6 | ≤5.8/2.5 | ≤6.1/2.7 |
33/67 | ≤5.7/2.2 | ≤6.0/2.4 | ≤6.1/2.3 | ≤6.4/2.5 |
30/70 | ≤6.0/1.9 | ≤6.3/2.1 | ≤6.4/2.0 | ≤6.7/2.2 |
25/75 | ≤7.0/1.7 | ≤7.3/1.9 | ≤7.3/1.7 | ≤7.7/1.9 |
20/80 | ≤7.9/1.3 | ≤8.4/1.4 | ≤8.3/1.3 | ≤8.7/1.5 |
15/85 | ≤9.5/1.0 | ≤10.0/1.2 | ≤9.6/1.0 | ≤10.1/1.2 |
10/90 | 9.2~11.2/≤0.75 | 8.80~11.40 /≤0.8 | 9.15~11.05 /≤0.75 | 8.75~11.45/≤0.8 |
5/95 | 12.05~14.15/≤0.4 | 11.60~14.60 /≤0.5 | 12.00~14.25/≤0.45 | 11.50~14.70/≤0.5 |
3/97 | 14.1~16.5/≤0.35 | 13.60~17.05/≤0.45 | 14.00~16.60 /≤0.35 | 13.45~17.15/≤0.45 |
2/98 | 15.75~18.45/≤0.3 | 15.15~19.00/≤0.4 | 15.60~18.60/≤0.3 | 14.95~19.20/≤0.4 |
1/99 | 18.6~21.6 /≤0.25 | 17.95~22.25/≤0.35 | 18.35~21.85/≤0.25 | 17.60~22.55/≤0.35 |
PDL (dB) | ≤0.15 | ≤0.2 | ≤0.15 | ≤0.2 |
Directivity (dB) | ≥55 |
Operating temperature (℃) | -40 ~ +85 |
