Từ khóa:
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Bộ chia quang (Splitter) 1×2, 2×2 SC, FC, LC
Singlemode Fiber Optic Cloupler 1×2, 2×2
Singlemode coupler 1X2, 2X2 offer very low insertion loss, low polarization dependence and excellent environmental stability. Accurate coupling ratio from 50/50 to 1/99 are available with very tight uniformity. Singlemode standard coupler components find extensive application to perform power splitting and monitoring functions in all kinds of optical communication systems.
Features
1. Various coupling ratio
2. Single mode and multi mode available
3. Low insertion loss, low PDL
4. Environmental stable
5. Industry standard and custom housing available
6. Variety of connectors available
7. 1×2, 1×4 and 1x n customized couplers configuration available
Applications
Optical communication system
System and signal monitoring
CATV Systems & Fiber Sensors
Fiber to the home (FTTH)
Network redundancy
Laser splitting
Specifications Singlemode fiber optic coupler |
Parameters | values |
Operating Wavelength | 1310nm or 1550nm |
Bandwidth | +/-20nm |
Coupling Ratio | 1/99 | 5/95 | 10/90 | 50/50 |
Max. Insertion Loss | 21.5dB/0.2dB | 14.6dB/0.4dB | 10.8dB/0.6dB | 3.4dB |
Max. PDL | 0.3dB/0.05dB | 0.3dB/0.05dB | 0.25dB/0.05dB | 0.05dB |
Max. Excess Loss | 0.15dB |
Thermal Stability | £ 0.002dB/°C over -5 °C to +70 °C |
Directivity | For 1×2 55dB |
For 2×2 65dB |
Grade | p |
Configuration | 1 x 2 or 2 x 2 |
Fiber Type | Corning SMF-28 |
Package Dimensions | 250um bare fiber and dia. 3.0 X 48mm |
900um loose tube and dia. 3.0 X 66mm |
3mm loose cable and 90 X 16 X9mm |
operating Temperature | -5°C to +70°C |
Note1: Values specified are without connector loss. |
Ordering Information – Singlemode Fiber Optic Coupler 1×2 2×2 |
FOSC-R-SS-TT-U-X-Y-Z |
R : Port configuration | 1 – 1×2, 2 – 2×2 |
SS: Wavelength | 13 – 1310nm, 15 – 1550nm |
TT : Coupling ratio | 01- 01/99, 05 – 05/95, 10 – 10/90, 50 – 50/50 |
U : Pigtail type | B – 250 um bare fiber, L – 900 um loose tube, C – 3mm loose cable |
X : Pigtail length | 1 – 1.0 m |
Y : Fibre option | S – Corning SMF28 |
Z : Connector | 1 – FC/UPC, 2 – FC/APC, 0 – None, S – Specify |