Magnetic Resonance - Technology Information Portal Welcome to MRI Technology
Info
  Sheets

Out-
      side
 

Next big thing in MRI will be :
AI 
remote operator 
personalized protocols 
helium-free 
molecular MRI 
portable MRI 




 
MRI Forum: Radio frequency exposure
SEARCH FORUM FOR   
Forum Overview

  Category:  Basics and Physics
Reply to this thread
(login or register first)
What is - 
'Forum Notification Service'?  
Reader Mail

Tue. 3 May.05,
21:21
Radio frequency exposure
Is there a relationship between SAR and Gauss? A conversion formula? Also, is the EMF exposure reduced by the square or the cube of the distance?

Chris Gardener

Wed. 11 May.05,
22:43
If the magnetic field strength (measured in Tesla/Gauss) increases, also the SAR increases. For fields up to 3.0 Tesla, the value of SAR is proportional to the square of the field but at high fields the body becomes increasingly conductive, with the need of increased RF power. The EMF exposure is reduced by the square of the distance.

Hope this will help
Chris

Forum Overview

  Category:  Basics and Physics
Reply to this thread
(login or register first)
What is - 
'Forum Notification Service'?  
If an elderly but distinguished scientist says that something is possible he is almost certainly right, but if he says that it is impossible he is very probably wrong.
- Arthur C. Clarke
 
Share This Page
FacebookTwitterLinkedIn

MR-TIP    
Community   
User
Pass
Forgot your UserID/Password ?    



Look
      Ups




MR-TIP.com uses cookies! By browsing MR-TIP.com, you agree to our use of cookies.

Magnetic Resonance - Technology Information Portal
Member of SoftWays' Medical Imaging Group - MR-TIP • Radiology-TIP • Medical-Ultrasound-Imaging • 
Copyright © 2003 - 2024 SoftWays. All rights reserved. [ 9 May 2024]
Terms of Use | Privacy Policy | Advertising
 [last update: 2024-02-26 03:41:00]