quantum

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One of the reasons why the double-slit experiment has attracted so much attention is that it represents a physical manifestation of the principle of quantum superposition. The observation that individual particles can create an interference pattern implies that the particles must travel through both slits at the same time. This ability to occupy two places, or states, at once, is the defining feature of quantum superposition.

One of the reasons why the double-slit experiment has attracted so much attention is that it represents a physical manifestation of the principle of quantum superposition. The observation that individual particles can create an interference pattern implies that the particles must travel through both slits at the same time. This ability to occupy two places, or states, at once, is the defining feature of quantum superposition.

spatialcoherence

spatialcoherence

a beam of unpolarized light into two orthogonally polarized ones by the use of a rhomboid of Iceland spar (calcite) or an achromatic rock crystal prism.  The material is birefringent, which means that different polarizations of light travel at different speeds through the crystal, and are refracted differently.  The output of the crystal is two parallel beams.  A metal cylinder was placed in between these two beams, partly obstructing each, in the same manner as Young’s cardstock was used to…

a beam of unpolarized light into two orthogonally polarized ones by the use of a rhomboid of Iceland spar (calcite) or an achromatic rock crystal prism. The material is birefringent, which means that different polarizations of light travel at different speeds through the crystal, and are refracted differently. The output of the crystal is two parallel beams. A metal cylinder was placed in between these two beams, partly obstructing each, in the same manner as Young’s cardstock was used to…

youngslitpicture

youngslitpicture

youngschematic2

youngschematic2

Optics basics: Coherence | Skulls in the Stars Michelson interferometer

Optics basics: Coherence | Skulls in the Stars Michelson interferometer

Optics basics: Coherence | Skulls in the Stars Young’s two-pinhole (double slit) interferometer

Optics basics: Coherence | Skulls in the Stars Young’s two-pinhole (double slit) interferometer

Optics basics: Coherence | Skulls in the Stars

Optics basics: Coherence | Skulls in the Stars

Optics basics: Coherence | Skulls in the Stars

Optics basics: Coherence | Skulls in the Stars

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