File:Relaxation transverse magnetization.svg
Size of this PNG preview of this SVG file: 800 × 333 pixels. Other resolutions: 320 × 133 pixels | 640 × 267 pixels | 1,024 × 427 pixels | 1,280 × 533 pixels | 2,560 × 1,067 pixels | 1,500 × 625 pixels.
Original file (SVG file, nominally 1,500 × 625 pixels, file size: 93 KB)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: After a 90° excitation pulse the transverse magnetization decays with the transverse relaxation time T2, which is indicated in the graph.
Deutsch: Nach einem 90° Anregungspuls zerfällt die transversale Magnetisierung mit der Relaxationszeit T2. |
| Date | |
| Source | Own work |
| Author | FbrG |
| SVG development | |
| Source code | MATLAB code% general parameters
tEnd = 12000;
t = linspace(0, tEnd, 5000);
T2 = 1500; % ms
%% transverse magnetization
figure('Position', [100 100 1200 500])
hold on
axT2 = gca;
axT2.TickLabelInterpreter = 'latex';
set(axT2, 'Position', [0.2 0.1 0.7 0.8])
plot(t, exp(-t/T2), ...
'LineWidth', 2);
plot([T2 T2], [0 exp(-1)], 'k--', ...
'LineWidth', 1, ...
'color', 0.4*[1 1 1])
plot([0 T2], [exp(-1) exp(-1)], 'k--', ...
'LineWidth', 1, ...
'color', 0.4*[1 1 1])
ylim([0 1.1])
xlim([0 1.025*tEnd])
xticks([T2 1.025*tEnd])
xticklabels({'$T_2$', 't'})
yticks([0 exp(-1) 1])
yticklabels({'$0$', '$1/\mathrm e$', '$M_0$'})
set(gca,'TickLength',[0, 0])
set(gca,'LineWidth', 1)
title('relaxation of transverse magnetization')
axT2.FontSize = 20;
saveas(gcf, 'relaxation transverse magnetization.svg')
|
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:55, 4 January 2021 | | 1,500 × 625 (93 KB) | FbrG | Uploaded own work with UploadWizard |
File usage
The following page uses this file:
