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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
Electronically tuned diode-laser-pumped Cr:LiSrA1F(6) laser.
Optics Letters
|September 29, 2009
Summary
Researchers developed an electronically tunable diode-laser-pumped chromium-doped lithium strontium aluminum fluoride (Cr:LiSrAlF6) laser. This laser system achieved tuning from 858 nm to over 920 nm with significant output power.
Area of Science:
- Laser Physics
- Materials Science
- Optoelectronics
Background:
- Diode-laser-pumped solid-state lasers offer compact and efficient light sources.
- Tuning laser output wavelength is crucial for various spectroscopic and photonic applications.
- Chromium-doped crystalline materials are known for their broad emission spectra.
Purpose of the Study:
- To demonstrate electronic tuning of a diode-laser-pumped Cr:LiSrAlF6 laser.
- To investigate the tuning range and output characteristics of the developed laser system.
Main Methods:
- Utilized a coupled resonator configuration incorporating a liquid-crystal-based birefringent tuner.
- Employed an aluminum gallium indium phosphide (AlGaInP) diode laser for pumping the Cr:LiSrAlF6 cube laser.
- Electronically controlled the birefringent tuner to achieve wavelength tuning.
Main Results:
- Achieved electronic tuning of the Cr:LiSrAlF6 laser from 858 nm to beyond 920 nm.
- Observed an output power exceeding 4.3 mW at 870 nm with an incident pump power of 42 mW.
Conclusions:
- The liquid-crystal-based birefringent tuner effectively enabled wide electronic tuning of the diode-laser-pumped Cr:LiSrAlF6 laser.
- The system demonstrates potential for tunable laser applications requiring specific wavelengths within the observed range.
