Advantages of a Solid State Device
No Vacuum
−
Superb Precision Measurement Capability
N. Poli, C. W. Oates, P. Gill, and G. M. Tino, La Rivista Del Nuovo
Cimento 036, 555 (2013).
Fixed Crystallographic Axes (Reliable Vector Sensitivity)
Diamond MEG - 16 JAM 11/14/2019
MIT LL Unique Diamond Technology Platform
RF Engineering
X (mm)
y (m
Diamond Engineering
1EPR: Electron paramagnetic resonance spectroscopy; 2PL:
Photoluminescence spectroscopy; 3FTIR: Fourier-transform infrared
spectroscopy
Commercial Diamond
MIT LL Shield System
C. Wang, X. Zhang, X. Qu, X. Pan, G. Fang, and L. Chen, Sensors 16,
2168 (2016).
Shielded Room: $1M MIT LL Shields: < $50k
Gradiometer → Unshielded Measurement
Technology Outlook
Acknowledgements
Back: John Barry, Alex Zhang, Erik Eisenach, Matt Steinecker, Mike
O’Keeffe Front: Linh Pham, Jonah Majumder, Erik Thompson, Danielle
Braje, Alexandra Day, Chuck Wuorio Not pictured: Christopher Foy,
Scott Alsid, Reggie Wilcox
Mass General Hospital
Seppo AhlforsMatti Hämäläinen
Energy Levels of the Nitrogen-Vacancy Center
Zero-field splitting
Inherent Vector Sensitivity
|
Diamond MEG - 23 JAM 11/14/2019
Pushing the Nitrogen-Vacancy’s Sensitivity
COTS Diamond MIT LL Diamond
MIT LL Unpublished 2019
Outline
Magnetoencephalography Today
Clinical MEG
Advantages of a Solid State Device
MIT LL Unique Diamond Technology Platform
Diamond Engineering
Inherent Vector Sensitivity