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When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...

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Related Experiment Video

Updated: Jun 12, 2026

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Noise sources in magnetooptic recording.

B I Finkelstein, W C Williams

|June 5, 2010

Summary

This study identifies and quantifies nonwhite noise in magnetooptic recording. Understanding these noise sources is crucial for improving data storage performance and reliability.

Area of Science:

Optics and Photonics
Data Storage Technologies
Signal Processing

Background:

Magnetooptic recording is a key technology for high-density data storage.
Nonwhite noise sources can significantly degrade signal quality and storage reliability.

Purpose of the Study:

To investigate and characterize nonwhite noise sources in magnetooptic recording.
To quantify the contribution of these noise sources to overall system performance.

Main Methods:

Experimental characterization of noise sources.
Quantitative analysis of noise contribution across a 20-MHz bandwidth.

Main Results:

Identification of specific nonwhite noise sources impacting magnetooptic recording.

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Quantification of the noise contribution within the specified bandwidth.

Conclusions:

Nonwhite noise sources play a critical role in magnetooptic recording performance.
Experimental quantification provides essential data for noise mitigation strategies.