Huygens–Fresnel principle
E3970
The Huygens–Fresnel principle is a fundamental concept in wave optics that explains how every point on a wavefront acts as a source of secondary wavelets whose interference determines the wave’s subsequent propagation and diffraction.
Observed surface forms (6)
| Surface form | As subject | As object |
|---|---|---|
| Huygens' principle | 0 | 4 |
| Huygens principle | 0 | 2 |
| Fresnel diffraction | 0 | 1 |
| Huygens’ principle | 0 | 1 |
| Kirchhoff diffraction formula | 0 | 1 |
| Mémoire sur la diffraction de la lumière | 0 | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
diffraction theory
→
physical principle → wave optics principle → |
| appliesTo |
electromagnetic waves
→
light waves → sound waves → water waves → |
| approximationOf |
Maxwell's equations
→
surface form:
Maxwell equations
|
| assumes | linear, homogeneous, isotropic medium → |
| basedOn | superposition principle → |
| category |
physical optics
→
theoretical physics concept → |
| component |
complex amplitude of secondary sources
→
obliquity factor → |
| contrastsWith | geometrical optics ray approximation → |
| coreIdea |
every point on a wavefront acts as a source of secondary wavelets
→
interference of secondary wavelets determines resulting amplitude → subsequent wavefront is the envelope of secondary wavelets → |
| describes |
diffraction of waves
→
interference of waves → propagation of wavefronts → |
| explains |
Fraunhofer diffraction
→
Huygens–Fresnel principle self-linksurface differs →
surface form:
Fresnel diffraction
Poisson spot → double-slit interference → edge diffraction → single-slit diffraction → |
| field |
electromagnetism
→
optics → wave physics → |
| historicalDevelopment | refined by Augustin-Jean Fresnel in the 19th century → |
| historicalOrigin |
Traité de la lumière
→
surface form:
Huygens wave theory of light
|
| implies | light behaves as a wave → |
| influenced | development of modern diffraction theory → |
| mathematicalFormulation | integral over a wavefront of secondary spherical wavelets → |
| namedAfter |
Augustin-Jean Fresnel
→
Christiaan Huygens → |
| relatedTo |
Fresnel diffraction theory
→
Huygens–Fresnel principle self-linksurface differs →
surface form:
Huygens principle
Huygens–Fresnel principle self-linksurface differs →
surface form:
Kirchhoff diffraction formula
scalar diffraction theory → wave equation → |
| supports | wave interpretation of interference patterns → |
| usedIn |
Fourier analysis
→
surface form:
Fourier optics
analysis of apertures and obstacles → design of optical systems → propagation of laser beams → |
| validWhen | wavelength is comparable to aperture size → |
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Huygens' principle
this entity surface form:
Huygens’ principle
this entity surface form:
Huygens principle
this entity surface form:
Fresnel diffraction
this entity surface form:
Huygens' principle
this entity surface form:
Huygens' principle
this entity surface form:
Mémoire sur la diffraction de la lumière
this entity surface form:
Huygens' principle
this entity surface form:
Huygens principle
this entity surface form:
Kirchhoff diffraction formula