The MOGlabs diode laser controller provides everything needed to drive your tunable external cavity diode laser (ECDL), and lock it to an atomic or other frequency reference. It offers a combination of impressive performance and ease-of-use:
ergonomic and low-noise analogue controls, and intuitive front-panel selection of the signals you need to monitor.
Features
Eight functions in one unit:
- Ultra low noise current source
- Temperature controller
- Photodetector
- Demodulator (lock-in amplifier)
- Feedback servos
- Piezo drivers
- Modulator driver
- Sweep ramp generator
Benefits
- Compact, high-performance, low cost
- Ergonomic design
- Auto-lock to centre of oscilloscope trace
- Intuitive controls with logarithmic response
- Two oscilloscope trace selector switches
- All cables at rear
- Use with MOGlabs laser, or your existing commercial or home-made laser
Applications
- Laser cooling and trapping
- Bose-Einstein condensation
- Quantum optics: squeezed light
- Electromagnetic transparency and slow light
- Time and frequency standards
- Laser spectroscopy
- Physics teaching labs
Specifications DLC-202 Rev 4.0
Current
- Output current : 0 – 200mA (500mA on DLC-502), ±10μA display resolution
- Noise : Below 300pA/√Hz
External modulation
- 0 – 100kHz (–3dB), 100μA/V, plus direct RF, to 2.5GHz (–3dB)
Temperature
- Range : 10 – 30°C (0 – 50°C option), ±0.1°C display resolution
- Stability : ±5mK/°C
- TEC power : ±2.5A, ±9V (22W)
- Sensor : NTC 10kΩ (provided)
Alternately AD590, AD592, auto-detected; reads °C in all cases
Photodetector
- Photodiodes : Si-PIN, 740–1100nm, lensed ±10°; options: 400–1100nm, ±20°
- Bandwidth : 720kHz (−3dB); CMRR >120dB
- Coupling : ac (differential pair); dc
- Dimensions : 25 x 25 x 60mm
Frequency feedback servos
- Modulation : 250kHz ± 20kHz; current driver output ±500mA ±8V
- Bandwidth : 40kHz typical (laser-dependent)
- Phase : 0 − 360°
- Feedback : Double integrator (slow, piezo) + single integrator (fast, current)
- Gain : ±20dB master plus ±20dB on slow, fast channels
Sweep/scan
- Sweep Scan rate : 3Hz to 8Hz
- Range : Typically 10 to 20GHz, laser dependent
- Piezo output : 0 – 120V, 5mA, 2 channels
Power and dimensions
- IEC input : 110/120 or 220/240V, 50/60 Hz, 3A
- IEC output : Common ground with input
- Dimensions : 19” 2U, 88 x 422 x 210mm (H x W x D), 4.3kg