Fast Servo Controller for Diode laser (FSC)
The FSC is a high-speed PID servo controller for laser mode-locking with high bandwidth and separate control loops for fast (typically diode current) and slow (typically piezo) feedback for full control of the laser frequency. Critical feedback parameters can be easily adjusted using the wide range of front panel controls to control resonant coupling, linewidth narrowing or beatnote offset locking.
Compatible with all ECDLs with direct injection modulation (z. B. MOGLabs CEL or LDL) and controllers with external piezo control (z. B. MOGLabs DLC).
A customized low-noise 30 MHz photodetector, such as the MOGLabs PDA030, can be powered directly from the FSC.
Features
- PID or PI²D control with high bandwidth
- Fully analog signal processing with a runtime of 40ns
- Parallel FAST and SLOW control loops
- Feedback to current and piezo
- Flexible control of the control loop parameters
- External modulation with high bandwidth
- Internal ramp generator
- Two low-noise photodetector power supplies
- TTL control
Applications
The MOGlabs drivers are primarily used with their external cavity lasers, but together with other similar lasers they can also be used in the following fields:
- Laser cooling and trapping
- Bose-Einstein condensation
- Quantum computing
- Quantum computer for trapped ions
- Quantum optics
- Electromagnetic transparency and slow light
- Time and frequency standards
- Laser spectroscopy
