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What is Hologram? Explain the construction and reconstruction of Hologram. How is holography different than photography.
written 7.9 years ago by gravatar for neeta.vanage neeta.vanage • 880 modified 3.9 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Medium.
engineering physics
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written 7.8 years ago by gravatar for neeta.vanage neeta.vanage • 880

In conventional photography , a negative is made first and using it a positive print is produced later. The positive print is only a 2D record of light intensity received from 3D object. Only intensity of light recorded and information of phase is lost. Denis Gabor introduced a new technique …

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