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How Laser Quantum Measures and Reports Root Mean Square (RMS) % Noise Value

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Author: Alastair Tennant
Wednesday, January 16, 2019
Laser Quantum

One of Laser Quantum’s goals has always been to create lasers with the lowest possible noise. Intracavity frequency-doubled lasers have an inherent noise of about 3% RMS. Several techniques have been developed over the years to reduce this noise, known as the “Green Problem”, and at Laser Quantum we have worked for many years to develop cavity innovations and electronic solutions to progressively reduce the noise level to below 0.02% RMS. Our techniques are applied to all of our visible lasers and many have been patented.

File: noise_measurement.pdf (566.99 KB)
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