MR Testing of Gradient-Induced Vibrations Using an Optical Contact-Free Sensor Within the Switched Gradient Magnetic Field of a 1.5 Tesla MR System.

Keywords

absolute abstract acceleration accurate active addition amplifier amplitude amplitudes applied approximately assessment attached bore built capability caused cervical circular close comp compatibility complex components conducting conductive conductivity constant contact contacting copper counteracting curves cycle decrease decreasing dependent describe desire detected detecting device devices diameter displacement distorted dummies dummy duty eddy electrically engine entrance environment especially evaluating example expensive experiment exposure feasibility field fields finding fixation foil form free frequencies frequency gradient gradients heating implant implantable implants increasing induced influence inside interaction investigated investigation laboratory laser likely local location magnet mass materials measured measuring mechanical mechanically medical metallic methodology needs note object objective objects optical oriented orthogonal pacemaker pascal patients plate plates plots power preventing pulse pulsed pulses quantitative quantitatively real received reflecting reflection related requirements runs safety scanner sensation sensor sinusoid slew solution solutions source static stem structures suspended switched system titanium validated velocity vibration vibrations