Butterfly Pigtailed Laser Diode Modules, Coaxial Pigtail Diode Laser Device
Passive Fiber Optic Components and Modules Manufacturer
Our designs have been qualified and deployed in space applications and are widely used in terrestrial and submarine telecommunications systems.
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- BOSA TOSA ROSA
- TXλc=RXλc BOSA FOR OTDR
TXλc=RXλc BOSA FOR OTDR
Features
- High-reliability MQW DFB laser chips
- Low noise, low distortion, low threshold current
- Coaxial pigtail package
Applications
OTDR transmission system
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| Reverse voltage(LD) | Vrl | - | - | 2 | V |
| Forward Current (LD) | LfL | - | - | 700 | mA |
| Reverse voltage (monitor) | Vrl | - | - | 15 | V |
| Reverse Current (monitor) | Lrp | - | - | 2 | mA |
| Input optical power(APD) | Pin | - | - | -10 | dBm |
| Soldering Temperature(< 10sec.) | Stemp | - | - | 260 | ℃ |
| Storage Temperature | Tstg | -40 | - | 85 | ℃ |
| Operating Temperature | Top | -10 | - | 60 | ℃ |
Electrical and Optical Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| 1625nm Pulse Laser | ||||||
| Output Power | Po | 20 | - | - | mW | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Threshold Current | Ith | - | 10 | 15 | mA | - |
| Operating Voltage | Vf | - | 2.5 | 3.0 | V | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Cent Wavelength | λc | 1625 | - | 1640 | nm | IFP = 400 mA, PW = 10 μs, Duty = 1% |
| Rise Time | tr | - | 0.2 | 0.5 | ns | 10-90% |
| Fall Time | tf | - | 0.2 | 0.5 | ns | 90-10% |
| Spectral Width(RMS) | Δλ | - | 0.5 | 1 | nm | -20dB |
| 1625 APD | ||||||
| Operating Wavelength Rang | λ | 1100 | - | 1700 | nm | - |
| Reverse Breakdown Voltage | VBR | 40 | 45 | - | V | ID = 100 μA |
| Dark Current | ID | - | - | 5 | nA | VR = VBR x 0.95 |
| Bandwidth | BW | - | 2.5 | - | GHz | M=10 |
| Capacitance | C | - | 0.3 | 0.5 | pF | - |
| Responsivity | R | - | 0.40 | - | A/W | 1625nm,M=1 |
| Multiplication Factor | M | 20 | - | - | M | 1625nm,Ipo=1.0uw,Vr=(ID< 5A) |
| TX&RX ISO | Iso | 20 | - | - | dB | - |
| Optical Return Loss | RL | 30 | 40 | - | dB | - |
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