Dual-channel Optical Fiber Amplifier for Spaceborne Laser Communication
The dual-channel fiber amplifier is suitable for direct-modulation laser communication systems and has high-power optical amplification and low-noise optical amplification functions; the main function of the high-power optical amplifier unit is to achieve high-power amplification output of weak optical signals, and the output optical power is adjustable; the main function of the low-noise optical amplifier unit is to achieve low-noise amplification of received weak optical signals, and the output optical power is adjustable; the integrated optical amplifier has the function of monitoring working status information, and the monitoring quantities include input and output optical power, working temperature, and whether the working status is stable.
Features
Ultra-compact design
Dual channel Polarization-maintaining
optica amplification
Integrated with noise and high power
amplification
Low power consumption,
total irradiation dose >30krad Size:110*90*25mm
⚫ Space laser communication
⚫ Laser ranging
⚫ Scientific research
Specification:
| Item | Unit | minimum value | Typical value | maximum value | Remark |
| Working wavelength range | nm | 1535 | 1550 | 1565 | |
| low noise | |||||
| Input optical power | dBm | -55 | -40 | 0 | |
| Output optical power | dB | -15 | -10 | 3 | |
| noise figure | dB | / | / | ≤4 | |
| No light pump off threshold | dBm | -57 | |||
| High power | |||||
| Input optical power | dBm | -10 | 0 | 5 | |
| Output optical power | dBm | 23 | 33 | 35 | |
| noise figure | dB | / | / | ≤5.5 | |
| Output optical power fluctuation range | % | 2 | |||
| public part | |||||
| Input isolation | dB | 45 | / | / | |
| Output isolation | dB | 45 | / | ||
| Supply voltage | V | 5 | 12 | ||
| Total power consumption | W | / | ≤27 | ≤40 | |
| Weight | g | / | / | ≤700 | Including housing and connector |
| working temperature | ℃ | -40 | 20 | 70 | |
| Storage temperature | ℃ | -40 | / | 85 | |
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