Wollaston prism
E595644
A Wollaston prism is an optical device made of two birefringent crystal wedges cemented together to split a beam of light into two orthogonally polarized rays.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Wollaston prism canonical | 2 |
| Nomarski prism | 1 |
| Rochon prism | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6474404 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wollaston prism Context triple: [William Hyde Wollaston, knownFor, Wollaston prism]
-
A.
Fresnel lens
A Fresnel lens is a compact, lightweight lens design composed of concentric rings that allows lighthouses and other optical systems to project powerful, focused beams of light over long distances.
-
B.
Mach–Zehnder interferometer
The Mach–Zehnder interferometer is an optical device that splits and recombines light beams to produce interference patterns, widely used to demonstrate and study fundamental principles of quantum mechanics and wave interference.
-
C.
Fresnel
Fresnel is a surname most famously associated with Augustin-Jean Fresnel, the French physicist whose pioneering work on wave optics and the Fresnel lens revolutionized the understanding and application of light.
-
D.
Arago ring
The Arago ring is a faint, narrow planetary ring encircling Neptune, named after the French astronomer François Arago.
-
E.
Grille spectrometer
The Grille spectrometer is a spaceborne infrared spectrometer designed to study the composition and structure of planetary and Earth atmospheres by analyzing their emitted and absorbed radiation.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wollaston prism Target entity description: A Wollaston prism is an optical device made of two birefringent crystal wedges cemented together to split a beam of light into two orthogonally polarized rays.
-
A.
Fresnel lens
A Fresnel lens is a compact, lightweight lens design composed of concentric rings that allows lighthouses and other optical systems to project powerful, focused beams of light over long distances.
-
B.
Mach–Zehnder interferometer
The Mach–Zehnder interferometer is an optical device that splits and recombines light beams to produce interference patterns, widely used to demonstrate and study fundamental principles of quantum mechanics and wave interference.
-
C.
Fresnel
Fresnel is a surname most famously associated with Augustin-Jean Fresnel, the French physicist whose pioneering work on wave optics and the Fresnel lens revolutionized the understanding and application of light.
-
D.
Arago ring
The Arago ring is a faint, narrow planetary ring encircling Neptune, named after the French astronomer François Arago.
-
E.
Grille spectrometer
The Grille spectrometer is a spaceborne infrared spectrometer designed to study the composition and structure of planetary and Earth atmospheres by analyzing their emitted and absorbed radiation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
beam-splitting element
ⓘ
optical device ⓘ polarization prism ⓘ |
| basedOnPrinciple |
birefringence
ⓘ
double refraction ⓘ |
| category |
crystal optics
ⓘ
polarization optics ⓘ |
| developedInField | physical optics ⓘ |
| hasAdvantage |
simultaneous measurement of two polarization states
ⓘ
well-defined angular separation of polarizations ⓘ |
| hasComponent |
first birefringent wedge
ⓘ
second birefringent wedge ⓘ |
| hasDesignFeature |
optic axes of wedges oriented orthogonally
ⓘ
wedge angles chosen to set beam separation ⓘ |
| hasFunction |
produces orthogonally polarized output beams
ⓘ
splits incident beam into two rays ⓘ |
| hasHistoricalPeriod | early 19th century ⓘ |
| hasLimitation |
cement layer can limit damage threshold
ⓘ
sensitive to wavelength dispersion of birefringence ⓘ |
| hasParameter |
beam divergence angle between output rays
ⓘ
clear aperture ⓘ spectral operating range ⓘ |
| hasProperty |
achromatic angular separation (approximately)
ⓘ
cemented interface between wedges ⓘ no absorbing layer between beams ⓘ non-deviated input beam axis at center ⓘ produces angular separation between output beams ⓘ relatively high transmission ⓘ |
| namedAfter | William Hyde Wollaston ⓘ |
| outputPolarizations | mutually orthogonal linear polarizations ⓘ |
| produces |
extraordinary ray
ⓘ
ordinary ray ⓘ |
| relatedTo |
Glan–Taylor prism
ⓘ
linked to:
Glan–Thompson prism
Glan–Thompson prism ⓘ Nomarski prism ⓘ
linked to:
Wollaston prism
Rochon prism ⓘ
linked to:
Wollaston prism
|
| typicallyUses |
calcite
ⓘ
quartz ⓘ |
| usedFor |
analyzing polarization state of light
ⓘ
generating two spatially separated polarization components ⓘ |
| usedIn |
astronomical polarimeters
ⓘ
differential interference contrast microscopy ⓘ interferometry ⓘ laser beam diagnostics ⓘ optical microscopy ⓘ polarimetry ⓘ spectropolarimetry ⓘ |
| usesMaterial | birefringent crystal ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Wollaston prism Description of subject: A Wollaston prism is an optical device made of two birefringent crystal wedges cemented together to split a beam of light into two orthogonally polarized rays.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Wollaston prism
linked to: Wollaston prism