Product introduction
The KY-EDFA-PA series Pre-EDFA is a fiber amplifier specially used for small signal amplification. It is usually placed at the front of optical receiver or photodetector to increase the sensitivity of photodetector. This product is a two-stage amplification structure. It adopts low-noise erbium-doped fiber and purely analog pump laser drive circuit to ensure its high gain and low noise. It can display input and output optical power,pump laser working current, working temperature , cooling current and other parameters in real time. This product is mainly used in high-speed optical fiber communication system, quantum communication, picosecond pulse amplification, optical fiber sensing systems and other fields.
Key Features
l Wavelength C,L,C&L
l Small signal amplification
l High gain Max.50dB
l Low noise figure<4.5dB
l Output power is adjustable
l Module, desktop optional
l Can be customized
Applications
l Long-distance optical fiber communication system
l Optical fiber vibration sensing system
l CATV cable transmission system
l Scientific research
Parameters
Parameters | Symbol | Unit | Min. | Typ. | Max. |
Optical Parameters |
Wavelength | C-band | lc | nm | 1528 |
| 1563 |
L-band | lc | nm | 1565 |
| 1610 |
CL-band | lc | nm | 1528 |
| 1610 |
Input signal power* | Pi | dBm | -45 |
| -10 |
Gain** | G | dB |
| 30 | 50 |
Saturated optical power output (adjustable) | Po | dBm | -15 | 10 |
|
Noise index*** | NF | dB |
| 4.5 | 5.0 |
Output optical power stability | DP | dB |
|
| ±0.1 |
Input/output optical isolation | ISO | dB | 30 |
|
|
Return loss | RL | dB | 30 |
|
|
Polarization dependent gain | PDG | dB |
| 0.3 | 0.5 |
Polarization mode dispersion | PMD | ps |
|
| 0.3 |
Input pump leakage | PL_in | dBm |
|
| -30 |
Output pump leakage | PL_out | dBm |
|
| -40 |
Electrical Parameters |
Voltage | Module | Vo | V | 4.75 | 5 | 5.25 |
Io | mA |
|
| 500 |
Desktop | Vo | V |
| AC 220 |
|
Power supply interface | Module |
|
| 5-pin connector |
Communication Interface |
|
| RS232 serial communication |
Interface Type |
Fiber type |
| SMF-28e |
Fiber interface | Module |
| 900um casing, pigtail 1m |
Desktop |
| Fiber flange interface |
Fiber connector |
| FC/APC |
Dimensions |
Package size | Module |
| mm | 90×70×18 |
Desktop |
| mm | 240×300×90 |
* Input optical power is optional.
**Gain is optional.
*** Noise index test condition is that the gain is greater than 25dB.