Abstract
The CW ring dye laser is capable of high-power, single mode operation in the visible and near infrared spectral region. This laser's performance is enhanced by frequency stabilizing the laser to an external reference Fabry-Perot yielding a jitter-induced linewidth of about 150 kHz rms. Systems of this type may mode hop due to bubbles in the dye laser jet stream or other perturbations and lock to another fringe of the reference Fabry-Perot. Locking to another fringe means that laser frequency has changed by at least one equivalent free spectral range of the reference Fabry-Perot. We will describe the properties of a stabilized CW, ring dye laser system which has the feature of automatically reacquiring lock to the original fringe of the reference in the presence of mode hopping.
Published Version
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