0.9mm Tube FBT Fiber Optic Splitter Singlemode Multimode 1x2 1x3
Product Overview
GEZHI Photonics' FBT Singlemode coupler 1X2 2X2 offers very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99 and fiber type 250um bare fiber, 3mm and 900um loose tube fiber are available with very tight uniformity. Singlemode standard coupler and wideband coupler components find extensive application to perform power splitting and monitoring functions in all kinds of optical communication.
Specifications
Single Standard Couplers
| Grade |
P Grade |
A Grade |
| Coupling Ratio (%) |
50/50 |
50/50 |
| Excess Loss (Typical) (dB) |
0.07 |
0.1 |
| Maximum Insertion Loss (dB) |
3.4 |
3.5 |
| Polarization Sensitivity (dB) |
0.15 |
0.2 |
| Operating Wavelength (nm) |
1310, 1480, 1550 or custom wavelength |
Single Wideband Couplers
| Grade |
P Grade |
A Grade |
| Coupling Ratio (%) |
50/50 |
50/50 |
| Excess Loss (Typical) (dB) |
0.07 |
0.1 |
| Maximum Insertion Loss (dB) |
3.4 |
3.6 |
| Polarization Sensitivity (dB) |
0.15 |
0.2 |
| Operating Wavelength (nm) |
1310±40, 1550±40, or custom wavelength |
Coupling Ratio: 1~50%
Directivity: ≥55 dB
Operating Temperature: -20°C to +80°C
Storage Temperature: -40°C to +85°C
Fiber Type: SMF-28
Fiber Pigtail Length: 1m
Port Configuration: 1×2 or 2×2
Coupling Ratio/Insertion Loss Conversion Chart
| Coupling Ratio |
Insertion Loss |
Quality Level |
P Grade |
A Grade |
| 40/60 |
4.4/2.5 |
|
4.6/2.8 |
|
| 30/70 |
5.6/1.8 |
|
6.0/2.0 |
|
| 20/80 |
7.4/1.1 |
|
7.7/1.3 |
|
| 10/90 |
10.8/0.6 |
|
11.6/0.8 |
|
| 5/95 |
14.2/0.4 |
|
14.6/0.5 |
|
| 2/98 |
18.5/0.2 |
|
19.0/0.3 |
|
| 1/99 |
21.0/0.2 |
|
21.5/0.3 |
|
Measured under the stable mode condition with LED light source.
Package Dimensions & Pigtail Style
Package Dimensions
| Package |
Dimensions |
| Package D |
3mm x 45mm stainless steel tube |
| Package E |
3mm x 54mm stainless steel tube |
| Package F |
3mm x 60mm stainless steel tube |
| Package G |
10mm x 20mm x 90mm ABS cassette |
| Package H |
10mm x 80mm x 100mm ABS cassette |
| Package I |
18mm x 80mm x 120mm ABS cassette |
| Package J |
18mm x 115mm x 140mm ABS cassette |
Pigtail Style
| Package |
Fiber Type |
| Package D, E |
250um bare fiber |
| Package F |
250um bare fiber or 900um loose tube |
| Package G, H, I, J |
2mm, 3mm cable or 900um loose tube |
Key Features
- Low insertion loss
- Low polarization dependent loss
- High Return Loss Optional
- Split Ratio 20/80, 40/60 (50/50 as default)
- Compact for small application areas like in closure or splice trays
- Wide Operating Temperature and Wavelength
- Excellent Environmental & Mechanical Stability
Applications
- FTTX (FTTP, FTTH, FTTN, FTTC)
- Passive Optical Networks (PON)
- Local Area Networks (LAN)
- CATV Systems Amplifying
- Monitoring System
