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21 Cards in this Set
- Front
- Back
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What is the function of an optic distributer
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coupling light image on the output phosphorus of the recording camer
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What is the function of an optic distributer
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coupling light image on the output phosphorus of the recording camer
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What does an optic coupling system look like
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What are 2 cameras that can be present on a flouroscopic system
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cine camera (35mm motion picture film) or photospot camera (
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What type of film is in a photospot camera
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100-mm cut film or 105-mm
roll film |
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What are most cine cameras being replaced by
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video/digital sytem
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II
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Image
Intensifier |
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3 functions of optic coupling
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transmission of a focused image from the II output window to the focal plane of all cameras
ensuring the brightness of the images at the camera focal plane is correct for each camera -sampling the light level of the II output phosphor and transmitting this information to the AEC of the generator |
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Optic distributor (optic coupling system)
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What is the function of the beam splitting mirror
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During cine operation, a
semisilvered, beam-splitting mirror simultaneously provides images to both cameras. During coronary angiography, for example, this mirror allows real-time monitoring of the injection with the video camera while images are recorded on film. |
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During flouroscopy when the cine camera is not being used is all the light going to the camera
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yes, During
fluoroscopy, the mirror is removed from the beam path so that all of the light passes to the video camera |
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Where is the collimating lense
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Does each camera have its own aperature
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yes the video and cine
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How is light directed to the AEC
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Also included in the beam path is a small mir-
ror or prism for directing light to the AEC sensor |
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What is the focal length of the collimating lense
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this is the distance between the output phosphorus and the collimating lense (FL)
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What is meant by focal plane
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where the lense focuses light
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Where are the video targert and the cine target
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Since the light leaving the collimating lens is focused at infinity what is needed to refocus the light onto the video camera target and the cine camera target
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video camera lens and cine camera lens
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A property of collimated light is that every re-gion within the beam path contains light from all
points on the output phosphor |
look at the colors and how they come from every part of the lens (this should be output phosphor)
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Where are the video and cine apertures
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before the lens
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