NASA NTRS · 19730000517
Stabilizing a gaseous optical laser
Abstract
Frequency of gaseous optical laser can be stabilized by sinusoidally modulating the geometry of the cavity. Fabry-Perot dielectric mirrors are mounted in two Invar blocks that are connected by four magnetorestrictive bars. Each bar has three coils to sinusoidally modulate system. Ac establishes frequency, and dc the average value; both are supplied to coil from control system.
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Jauan, A., Shimoda, K.. 1974-03-01. Stabilizing a gaseous optical laser. https://ntrs.nasa.gov/citations/19730000517
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