Inside-out NMR probe for portable spectrometry

Area of Science:

• Physics
• Chemistry
• Materials Science

Background:

• Nuclear Magnetic Resonance (NMR) measurements are typically limited by static magnetic field homogeneity.
• Achieving NMR in inhomogeneous fields requires overcoming specific theoretical and practical challenges.

Purpose of the Study:

• To propose and demonstrate a novel probe design for Nuclear Magnetic Resonance (NMR) measurements in inhomogeneous static magnetic fields.
• To enable portable and localized NMR spectrometry applications.

Main Methods:

• Design of a single-sided, inside-out NMR probe configuration.
• Utilizing perpendicular and correlated static and radiofrequency (RF) magnetic fields over a large volume.
• Construction of the probe using ferrite material.

Main Results:

• Demonstrated the feasibility of NMR measurements in grossly inhomogeneous static magnetic fields, provided inhomogeneity is below a theoretical limit.
• Successful construction of a single-sided inside-out NMR probe.

Conclusions:

• The proposed NMR probe design is effective for measurements in inhomogeneous fields.
• The ferrite-based probe is suitable for portable, localized NMR spectrometry.