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Measuring and Reducing Noise Using an LDX-3620B Ultra Low Noise Laser Diode Current Source

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Measuring and Reducing Noise Using an LDX-3620B Ultra Low Noise Laser Diode Current Source

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  • Author: Carolyn Jensen
Noise is an unavoidable characteristic of all electrical circuits, but noise can be minimized with good design, high manufacturing quality, and sound components. There are three measurements commonly used to characterize the noise of an instrument. The measurements are rms current noise, noise spectral density, and relative intensity noise (RIN). These measurements are explained in the second section.

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