
Polarization Maintaining Erbium-doped Fiber Amplifier
HC-EDFA-PM polarization maintaining erbium-doped fiber amplifier is a single-polarization amplification erbium-doped fiber amplifier.The main optical path of the amplifier is a fully polarization-maintaining optical path (slow axis operation).High-quality polarization maintaining devices are used to ensure that the polarization extinction ratio of the whole optical path is better than 20 dB, and the maximum output of 33 dBm can be achieved.
For different applications, a variety of amplification structures can be provided for selection: 1. Conventional single-stage amplification structure; 2. Single-stage low-noise optimization structure; 3. Double-stage amplification structure; 4. Three-stage amplification and other structures. For different applications, the lowest noise can achieve a noise figure of 3.6 dB, and the high gain can achieve a gain of more than 45 dB. The multistage amplification structure has the effect of improving the OSNR, and can realize lower ASE noise output by being matched with a narrow-band ASE filter at the same time, and can provide amplification of weak linearly polarized optical signals for some special application fields, such as coherent optical communication, laser radar, meteorological wind direction detection and other application fields.
Features
Gain up to 45dB
Adjustable output power
Module, desktop optional
Low noise figure of 3.6 dB
Can be customized processing
Maximum output up to 33 dBm
Polarization extinction ratio > 23 dB
Operating wavelength 1540 ~ 1565 nm
Multiple amplification structures are available
Application
Laser radar
Meteorological wind direction detection
Long-distance coherent optical fiber communication system
Technical parameters
Parameter |
Symbol |
Unit |
Minimum value |
Typical value |
Maximum value |
|
Optical parameters |
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Operating wavelength |
lc |
nm |
1540 |
1565 |
||
Input signal power * |
Pi |
dBm |
-40 |
10 |
||
Gain * * |
G |
dB |
30 |
45 |
||
Saturated optical power output (adjustable) |
Po |
dBm |
33 |
|||
Polarization extinction ratio |
PEXR |
dB |
23 |
|||
Noise Index * * * |
NF |
dB |
3.6 |
6.5 |
||
Output optical power stability |
DP |
dB |
±0.1 |
|||
Input/output optical isolation |
ISO |
dB |
30 |
|||
Return loss |
RL |
dB |
40 |
|||
Input pump leakage |
PL_in |
dBm |
-30 |
|||
Leakage of output pump |
PL_out |
dBm |
-40 |
|||
Electrical parameters |
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Operating voltage |
Module |
Vo |
V |
4.75 |
5 |
5.25 |
Desktop |
Vo |
V( AC ) |
80 |
240 |
||
Power supply interface |
Module |
5-pin connector |
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Communication interface |
RS232 serial communication |
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Interface type |
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Fiber type |
Fujikura PMF 900um |
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Fiber optic interface |
Module |
900 um casing, tail fiber 1m |
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Desktop |
Fiber Optic Flange Interface |
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Fiber optic connector |
FC/APC |
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Mechanical dimensions |
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Package size |
Module |
mm |
90×70×18 |
|||
Desktop |
mm |
240×300×90 |
· Gain selectable
- Optional input optical power
- Noise figure is tested for gain greater than 25 dB
Environmental conditions
Parameter |
Symbol |
Unit |
Minimum value |
Typical value |
Maximum value |
Operating temperature |
Top |
ºC |
0 |
50 |
|
Storage temperature |
Tst |
ºC |
-20 |
70 |
|
Humidity |
RH |
% |
5 |
98 |
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