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arXiv · 1510.07272

Simple Locking of IR and UV diode lasers to a visible laser using a LabVIEW PID controller on a Fabry-Perot signal

J. M. Kwolek·J. E. Wells·D. S. Goodman·W. W. Smith
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Abstract

Simultaneous laser locking of IR and UV lasers to a visible stabilized reference laser is demonstrated via a Fabry-Perot cavity. LabVIEW is used to analyze the input and an internal PID algorithm converts the Fabry-Perot signal to an analog locking feedback signal. The locking program stabilized both lasers to a long term stability of better than 9 MHz, with a custom-built IR laser undergoing significant improvement in frequency stabilization. The results of this study demonstrate the viability of a simple computer-controlled, non temperature-stabilized Fabry-Perot locking scheme for our application, laser cooling of Ca+ ions, and its use in other applications with similar modest frequency stabilization requirements.

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J. M. Kwolek, J. E. Wells, D. S. Goodman, W. W. Smith. 2016-03-15. Simple Locking of IR and UV diode lasers to a visible laser using a LabVIEW PID controller on a Fabry-Perot signal. https://doi.org/10.1063/1.4948289

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