Spin and Gradient Echoes
This unit discusses the basic concept of an echo. The phase of the spins plays the fundamental role in this process. A general description as to how an echo occurs is followed by a discussion on both spin echoes and gradient echoes.
|Haacke, E.M., Brown, R.W., Thompson, M.R., and Venkatesan, R. 1999. Magnetic Resonance Imaging: Physical Principles and Sequence Design. John Wiley & Sons, New York.|
This book covers the technical discussion here as well as other advanced materials in detail.
|Hahn, E.L. 1950. Spin echoes. Phys. Rev. 80:580.|
This paper introduces the fundamental concepts of spin echo.