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The principles of a variety of techniques for producing images of the human body are explained. Techniques explored are magnetic resonance, holographic imaging, ultrasound, mammography, computer axial...
This video explains what laser light is, how it originates, and how it is used. Shows how lasers are widely used today in industral applications as well as in medical and surgical procedures. The video also...
Support video for course ST291, comprising four older programmes. [See synopses of individual programmes for details of content.]
Explains what a hologram is and shows the step-by-step construction of a transmission master camera. Explains how we see in three dimensions and how that relates to holography, and how a flat plate gives a...
Shows how the linear diode array camera and fibre optics are used to measure fine holes in combustion chambers and turbine blades of aero-engines. Also shows the use of laser holography to check...
Shows the use of holographic interferometry to record minute surface deformations on objects, particularly to study vibrating objects. Shows interference fringes in real time produced by a hologram....
Shows uses of ultrasound in imaging and shows ultrasonic vibrations on an oscilloscope. Demonstrates a device which makes ultrasonic wavefronts visible using a photoelastic effect. Shows how ultrasonics can...
Examines the three-dimensional images produced by holograms. The programme is chiefly concerned with the possibilities of holography as a medium for display and illustration. Begins with an experiment which...
The principle of holography is studied with the aid of a progression of optical demonstrations and laboratory experiments. Shows types of holograms, explains holographic interferometry, and illustrates the...
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