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Tunable external cavity diode laser Sacher Lasertechnik
Littrow

External Cavity Diode Laser in Littrow configuration is designed for high output power up to 200mW, narrow linewidth in the order of 1MHz and a moderate mode-hop free tuning range of up to 30GHz. Special features are:

High optical power
- output power up to 200mW
- excellent quantum efficiency
- high fiber coupling efficiency
- Excellent tuning behavior

coarse and fine tuning modes
- use of in-house anti-reflection coated laser diodes
- fine tuning via piezo actuator with a resolution better than 10MHz
- large mode-hop free tuning range of up to 30GHz and more
- beam steering compensation

Excellent frequency locking performance
- high resonance free piezo modulation
- high frequency laser current modulation
- improved temperature stability
- low acoustic susceptibility
- excellent locking stability

Narrow linewidth
- linewidth 40dB

High flexibility
- system with wavelength of 375nm to 1700nm are available
- free beam and fiber coupled versions available
- constant current and constant power operation modes

Plug & Play configuration
- modular laser system design
- automated piezo tuning with power read-out
- remote control via GPIB, RS232 and USB

Applications for the new laser generation include:
- Spectroscopy und optical process control
- Optical cooling and trapping
- Raman spectroscopy
- Master laser for THz generation
- Laser and OPO seeding
- Non-linear optical processes