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written by Ralf Widenhorn
This laboratory exercise uses standard physics laboratory equipment to create an analogy to image formation in Computed Tomography. Objects are placed in an enclosure that is largely opaque in the visible spectrum but mostly transparent to the near infrared light.  The enclosure is scanned with a photogate using a rotating platform and an image of the contents is formed. This experiment conveys how an image is formed during a CT scan and highlights the important physical and imaging concepts behind CT such as electromagnetic radiation, the interaction of light and matter, image artifacts, and windowing. Resources provided include learning goals, an assessment, software for creating images, and instructions for assembling the equipment.

This is part of a group of laboratories and activities for biomedical physics.
Subjects Levels Resource Types
Electricity & Magnetism
- Electromagnetic Radiation
Modern Physics
- Biophysics
Optics
- Geometrical Optics
= Optical Instruments
Other Sciences
- Life Sciences
- Upper Undergraduate
- Lower Undergraduate
- Instructional Material
= Activity
= Laboratory
Intended Users Formats Ratings
- Educators
- text/html
- application/exe
- application/ms-word
- application/pdf
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Safety Warnings
Minimal Danger   No Safety Equipment Necessary  


Access Rights:
Free access
Restriction:
Has a copyright or other licensing restriction.
Keywords:
CT scan, IPLS, medical imaging
Record Creator:
Metadata instance created July 28, 2015 by Bruce Mason
Record Updated:
October 16, 2015 by Ramon Torres-Isea
Last Update
when Cataloged:
July 28, 2015
Other Collections:

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Record Link
AIP Format
R. Widenhorn, , WWW Document, (http://web.pdx.edu/~ralfw/ct.html).
AJP/PRST-PER
R. Widenhorn, Portland State Biomedical Physics: Computed Tomography, , <http://web.pdx.edu/~ralfw/ct.html>.
APA Format
Widenhorn, R. (2015, July 28). Portland State Biomedical Physics: Computed Tomography. Retrieved September 21, 2019, from http://web.pdx.edu/~ralfw/ct.html
Chicago Format
Widenhorn, Ralf. Portland State Biomedical Physics: Computed Tomography. July 28, 2015. http://web.pdx.edu/~ralfw/ct.html (accessed 21 September 2019).
MLA Format
Widenhorn, Ralf. Portland State Biomedical Physics: Computed Tomography. 28 July 2015. 21 Sep. 2019 <http://web.pdx.edu/~ralfw/ct.html>.
BibTeX Export Format
@misc{ Author = "Ralf Widenhorn", Title = {Portland State Biomedical Physics: Computed Tomography}, Volume = {2019}, Number = {21 September 2019}, Month = {July 28, 2015}, Year = {} }
Refer Export Format

%A Ralf Widenhorn
%T Portland State Biomedical Physics: Computed Tomography
%D July 28, 2015
%U http://web.pdx.edu/~ralfw/ct.html
%O text/html

EndNote Export Format

%0 Electronic Source
%A Widenhorn, Ralf
%D July 28, 2015
%T Portland State Biomedical Physics: Computed Tomography
%V 2019
%N 21 September 2019
%8 July 28, 2015
%9 text/html
%U http://web.pdx.edu/~ralfw/ct.html


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Citation Source Information

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