Abstract
Zeeman Laser Interferometry Zeeman laser interferometry [1-3] relies on use of a two-frequency, Zeeman effect laser. This helium-neon laser uses a carefully controlled magnetic field to cause a Zeeman energy level splitting inside the laser plasma tube. As a result, the laser emits two collinear laser lines with orthogonal linear polarizations. The two laser lines have a wavelength near λ = 632.8 nm, and differ by only 250 kHz in frequency.
© 1994 Optical Society of America
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