Matches in SemOpenAlex for { <https://semopenalex.org/work/W2024079469> ?p ?o ?g. }
Showing items 1 to 77 of
77
with 100 items per page.
- W2024079469 abstract "In an optical interferometer, the phase of astronomical signals is corrupted not only by the Earth’s atmosphere, but also by instrumental artifacts, among which birefringence, that affects the relative phase of two orthogonal polarizations. Instrumental birefringence occurs at each mirror reflection, but can also occur in the instrument where the signals are recombined., especially when optical fibers are used on the signal path. We present here a new technique to cancel instrumental birefringence, in the context of the PIONIER instrument at the VLTI (ESO, Paranal observatory). This is achieved by introducing in each of the beams a birefringent plate with an adjustable inclination, that allows to cancel the differential birefringence between the beams before recombination. We present our derivation of the amount of birefringence introduced by such an inclined plate. We show the actual performance achieved with the Pionier instrument. The initial alignment takes of order of one hour, and is stable for several days. Tweaking is performed at the beginning of each observing run and takes approximately fifteen minutes. We demonstrate a simple and effective technique to cancel differential birefringence in interferometric instruments. This technique should be applicable to second generation VLTI instruments." @default.
- W2024079469 created "2016-06-24" @default.
- W2024079469 creator A5005867210 @default.
- W2024079469 creator A5018025252 @default.
- W2024079469 creator A5020754900 @default.
- W2024079469 creator A5055923765 @default.
- W2024079469 creator A5069673016 @default.
- W2024079469 creator A5071723777 @default.
- W2024079469 date "2012-09-12" @default.
- W2024079469 modified "2023-09-23" @default.
- W2024079469 title "Birefringence compensation in PIONIER" @default.
- W2024079469 cites W120919711 @default.
- W2024079469 cites W2021474680 @default.
- W2024079469 cites W2132865210 @default.
- W2024079469 cites W2990450738 @default.
- W2024079469 cites W3098618814 @default.
- W2024079469 doi "https://doi.org/10.1117/12.925421" @default.
- W2024079469 hasPublicationYear "2012" @default.
- W2024079469 type Work @default.
- W2024079469 sameAs 2024079469 @default.
- W2024079469 citedByCount "0" @default.
- W2024079469 crossrefType "proceedings-article" @default.
- W2024079469 hasAuthorship W2024079469A5005867210 @default.
- W2024079469 hasAuthorship W2024079469A5018025252 @default.
- W2024079469 hasAuthorship W2024079469A5020754900 @default.
- W2024079469 hasAuthorship W2024079469A5055923765 @default.
- W2024079469 hasAuthorship W2024079469A5069673016 @default.
- W2024079469 hasAuthorship W2024079469A5071723777 @default.
- W2024079469 hasConcept C120665830 @default.
- W2024079469 hasConcept C121332964 @default.
- W2024079469 hasConcept C125633901 @default.
- W2024079469 hasConcept C125743686 @default.
- W2024079469 hasConcept C127313418 @default.
- W2024079469 hasConcept C1276947 @default.
- W2024079469 hasConcept C151730666 @default.
- W2024079469 hasConcept C165699331 @default.
- W2024079469 hasConcept C166689943 @default.
- W2024079469 hasConcept C22783969 @default.
- W2024079469 hasConcept C23576306 @default.
- W2024079469 hasConcept C2779343474 @default.
- W2024079469 hasConcept C2779919027 @default.
- W2024079469 hasConcept C44280652 @default.
- W2024079469 hasConcept C520434653 @default.
- W2024079469 hasConcept C62520636 @default.
- W2024079469 hasConceptScore W2024079469C120665830 @default.
- W2024079469 hasConceptScore W2024079469C121332964 @default.
- W2024079469 hasConceptScore W2024079469C125633901 @default.
- W2024079469 hasConceptScore W2024079469C125743686 @default.
- W2024079469 hasConceptScore W2024079469C127313418 @default.
- W2024079469 hasConceptScore W2024079469C1276947 @default.
- W2024079469 hasConceptScore W2024079469C151730666 @default.
- W2024079469 hasConceptScore W2024079469C165699331 @default.
- W2024079469 hasConceptScore W2024079469C166689943 @default.
- W2024079469 hasConceptScore W2024079469C22783969 @default.
- W2024079469 hasConceptScore W2024079469C23576306 @default.
- W2024079469 hasConceptScore W2024079469C2779343474 @default.
- W2024079469 hasConceptScore W2024079469C2779919027 @default.
- W2024079469 hasConceptScore W2024079469C44280652 @default.
- W2024079469 hasConceptScore W2024079469C520434653 @default.
- W2024079469 hasConceptScore W2024079469C62520636 @default.
- W2024079469 hasLocation W20240794691 @default.
- W2024079469 hasOpenAccess W2024079469 @default.
- W2024079469 hasPrimaryLocation W20240794691 @default.
- W2024079469 hasRelatedWork W1978029672 @default.
- W2024079469 hasRelatedWork W1983143144 @default.
- W2024079469 hasRelatedWork W1986732564 @default.
- W2024079469 hasRelatedWork W2045843163 @default.
- W2024079469 hasRelatedWork W2070066479 @default.
- W2024079469 hasRelatedWork W2155087446 @default.
- W2024079469 hasRelatedWork W2468056606 @default.
- W2024079469 hasRelatedWork W2530927857 @default.
- W2024079469 hasRelatedWork W2999449070 @default.
- W2024079469 hasRelatedWork W4221044284 @default.
- W2024079469 isParatext "false" @default.
- W2024079469 isRetracted "false" @default.
- W2024079469 magId "2024079469" @default.
- W2024079469 workType "article" @default.