The subject invention pertains to a technique and device that can isolate
and separate resultant electromagnetic fields of volume coils at high
frequency. In an embodiment, an RF shield can be used to isolate and
separate resultant electromagnetic fields. In an embodiment, the shield
can have a cylindrical shape that can form a partially closed volume in
which an object to be imaged, or sample, can be inserted. In an
embodiment, the RF shield can be part of a RF coil. In a specific
embodiment, some parts of a volume coil can be inside a shield, and the
other parts of a volume coil can be outside the shield. The shielding of
some of the parts of a volume coil can create conductor patterns
corresponding to the specific parts inside the shield and the specific
parts outside the shield. In an embodiment, two or more conductor
patterns can be placed in proximity to the same shield and either be
driven independently, driven together, or act as receiving elements,
combined or uncombined. This embodiment is advantageous because the
combination of conductor patterns can be optimized by the flexibility of
separating the fields of end-rings from the fields of leg currents.