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Engineering Physics by S. Mani Naidu

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12.3 Recording of image on a holographic plate

Figure 12.1 shows the method of recording a image on a holographic plate. The monochromatic light from a laser has been passed through a 50% beam splitter so that the amplitude division of the incident beam into two beams takes place. One beam falls on mirror M1 and the light reflected from M1 falls on the object. This beam is known as an object beam.

 

Figure 12.1 Recording of hologram

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The object scatters this beam in all directions, so that a part of the scattered beam falls on the holographic plate. The other beam is reflected by mirror M2 and falls on the holographic plate. This beam is known ...

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