CPA
E939150
CPA is a laser technology technique that amplifies ultrashort light pulses to extremely high peak powers by stretching, amplifying, and then recompressing them.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CPA canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11665223 — 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: CPA Context triple: [chirped pulse amplification, hasAbbreviation, CPA]
-
A.
CPA
CPA is the ICAO airline designator used to identify Cathay Pacific Airways in international aviation operations.
-
B.
CPA
The CPA, or Coalition Provisional Authority, was the U.S.-led transitional government that administered Iraq following the 2003 invasion until the establishment of an interim Iraqi government.
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C.
CPA
CPA is a performing arts organization based at the University of North Carolina at Chapel Hill that presents a wide range of music, dance, theater, and interdisciplinary performances.
-
D.
CPA
The CPA is an intergovernmental organization based in The Hague that facilitates arbitration and other forms of dispute resolution between states, state entities, intergovernmental organizations, and private parties.
-
E.
CPA
CPA is the stock ticker symbol for Copa Airlines, a major Panamanian airline known for its extensive network across the Americas.
- 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: CPA Target entity description: CPA is a laser technology technique that amplifies ultrashort light pulses to extremely high peak powers by stretching, amplifying, and then recompressing them.
-
A.
CPA
CPA is a performing arts organization based at the University of North Carolina at Chapel Hill that presents a wide range of music, dance, theater, and interdisciplinary performances.
-
B.
CPA
The CPA is an intergovernmental organization based in The Hague that facilitates arbitration and other forms of dispute resolution between states, state entities, intergovernmental organizations, and private parties.
-
C.
CPA
CPA is the ICAO airline designator used to identify Cathay Pacific Airways in international aviation operations.
-
D.
CPA
The CPA, or Coalition Provisional Authority, was the U.S.-led transitional government that administered Iraq following the 2003 invasion until the establishment of an interim Iraqi government.
-
E.
CPA
CPA is the stock ticker symbol for Copa Airlines, a major Panamanian airline known for its extensive network across the Americas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
chirped pulse amplification technique
ⓘ
laser technology technique ⓘ |
| advantage |
allows amplification to very high energies
ⓘ
prevents damage to optical components during amplification ⓘ |
| category |
nonlinear optics technique
ⓘ
ultrafast laser technology ⓘ |
| component |
pulse amplifier
ⓘ
pulse compressor ⓘ pulse stretcher ⓘ |
| developedBy |
Donna Strickland
NERFINISHED
ⓘ
Gérard Mourou NERFINISHED ⓘ |
| developmentYear | mid‑1980s ⓘ |
| enables |
attosecond pulse generation
ⓘ
generation of extremely high electric fields ⓘ generation of high‑order harmonics ⓘ laser‑driven particle acceleration ⓘ petawatt‑class laser systems ⓘ terawatt‑class laser systems ⓘ |
| firstDemonstratedAt | University of Rochester GENERATED ⓘ |
| fullName | Chirped Pulse Amplification NERFINISHED ⓘ |
| keyConcept | time‑bandwidth product conservation in pulse manipulation ⓘ |
| operatesOn | chirped optical pulses ⓘ |
| principle |
amplifying temporally stretched pulses at lower peak intensity
ⓘ
recompressing amplified pulses to near original duration ⓘ stretching ultrashort pulses in time before amplification ⓘ |
| recognizedBy | 2018 Nobel Prize in Physics NERFINISHED ⓘ |
| recognizedFor | method of generating high‑intensity ultra‑short optical pulses ⓘ |
| relatedTo |
mode‑locked lasers
ⓘ
optical parametric chirped pulse amplification (OPCPA) ⓘ |
| requires |
dispersive optical elements
ⓘ
gratings or prisms for stretching and compression ⓘ |
| typicalGainMedium |
Ti:sapphire amplifiers
GENERATED
ⓘ
fiber amplifiers GENERATED ⓘ solid‑state laser amplifiers GENERATED ⓘ |
| typicalPulseDuration |
femtosecond regime
ⓘ
picosecond regime ⓘ |
| usedFor |
achieving extremely high peak powers
ⓘ
amplifying ultrashort light pulses ⓘ high‑intensity laser physics ⓘ ultrafast laser science ⓘ |
| usedIn |
attosecond science
ⓘ
high‑field physics ⓘ inertial confinement fusion research ⓘ laser physics ⓘ material processing ⓘ micromachining ⓘ nonlinear optics experiments ⓘ optics ⓘ |
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: CPA Description of subject: CPA is a laser technology technique that amplifies ultrashort light pulses to extremely high peak powers by stretching, amplifying, and then recompressing them.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.