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Related Experiment Video

Updated: Jun 20, 2026

Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
09:10

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.

Q Zhang, G J Dixon, B H Chai

    Optics Letters
    |September 29, 2009
    PubMed
    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.

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    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.

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