Pulsed Fiber Laser #2: LD Current Modulation based MOPA
Advantages:- Flexible Control: The system allows for independent tuning of pulse width and repetition rate, providing flexibility in operation.
- Pulse Shape Tunability: Users can adjust the pulse shape according to specific requirements.
- Wide Tuning Range: The system supports a broad range of tuning options.
- Easy Upgrade: The design facilitates straightforward upgrades to the system.
Disadvantages:- High Cost: The system is expensive, which may limit accessibility.
- Complexity: The laser system is complicated, potentially requiring specialized knowledge for operation and maintenance.
System Components:- Isolator: Prevents back reflections that could destabilize the laser.
- Active Fiber: The core component where amplification occurs.
- Pump Diodes: Provide the necessary energy to the active fiber.
- Fiber Bundler: Organizes and manages the fiber components.
- Modulated Current: Controls the seed diode for pulse generation.
- Seed Diode: Initiates the laser process.
- FBG (Fiber Bragg Grating): Used for wavelength stabilization and filtering.
- Amplifying Stages: Includes first and second amplifying stages to boost the laser output.
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