28 Sep 2010 Sacher Lasertechnik offers a FPGA controlled proportional integral (PI) highspeed servo controller for external cavity diode laser systems as well as DFB diode lasers. Model LB2001 allows to stabilize the laser frequency via piezo- and laser current feedback path.
Supported Diode Laser Systems
- Littrow Cavity
- Littman / Metcalf Cavity
- Supports Laser Systems from Various Manufacturers
Servo Bandwidth
Regulation Feedback Path
- Laser Diode Injection Current
- Piezo Voltage
Advanced System Design
- Low Noise Analog Servo Controller Board
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- D/A Converters with Sleep Mode
- FPGA Controlled Interface Board
Special Features
- Low Frequency Gain Limit
- Integration Hold Mode
Flexibility
- Stand Alone Unit (No Expensive External Chassis)
- Cooperates with Laser Controllers from Various Manufacturers
Remote Control
- USB Interface
- Software Package (Under Preparation)
Types of Application
- Diode Laser Control
- Side of Fringe Lock
- Linewidth Narrowing
- Pound Drever Hall Lock (in Combination with LB2005)
- Bjorklund Lock (in Combination with LB2005)
- Sidelock of Lasers (in Combination with LB2005)
Fields of Application
- Optical Cooling and Trapping
- Bose-Einstein Condensation
- Quantum Optics
- Frequency Metrology
Specification
- Input impedance: 1M Ohm
- Maximum signal voltage ±10V (input and output)
- Internal bandwidth: >10 MHz
- Adjustable amplifiction: -40dB to +40dB
- Adjustable P-I corner: 10Hz to 1MHz
- Locking bandwith piezo path: up to 1kHz (adjustable)
- Locking bandwith current path: up to 10MHz (adjustable)
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