Sökning: L773:1559 128X OR L773:2155 3165
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Light-in-flight rec...
Light-in-flight recording. 5: Theory of slowing down the faster-than-light motion of the light shutter
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Abramson, N (författare)
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- Pettersson, Sven-Göran (författare)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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Bergstrom, H (författare)
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(creator_code:org_t)
- 1989
- 1989
- Engelska.
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Ingår i: Applied Optics. - 2155-3165. ; 28:4, s. 759-765
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Abstract
Ämnesord
Stäng
- Light-in-flight recording by holography uses a picosecond pulse for the reference beam, which like a sheet of light intersects the hologram plate and produces a sensitivity area that with a speed faster than light moves over the plate like a light shutter. If, however, the front of the reference pulse by diffraction in a grating is tilted relative to its direction of motion, the velocity of the light shutter can be slowed down resulting in increased recording time. The practical result using a reflection grating was a true recording that corresponded to a time compression of two to one. To minimize distortions of the recorded pulse shape we studied intersections that are identical for apparent (ellipsoidal) and true (spheroidal) wavefronts.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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