Matches in SemOpenAlex for { <https://semopenalex.org/work/W2023705085> ?p ?o ?g. }
Showing items 1 to 84 of
84
with 100 items per page.
- W2023705085 abstract "Operating on 6 interferometric baselines, i.e. using all 4 UTs, the 2nd generation VLTI instrument GRAVITY will deliver narrow angle astrometry with 10μas accuracy at the infrared K-band. Within the international GRAVITY consortium, the Cologne institute is responsible for the development and construction of the two spectrometers: one for the science object, and one for the fringe tracking object. Optically two individual components, both spectrometers are two separate units with their own housing and interfaces inside the vacuum vessel of GRAVITY. The general design of the spectrometers, however, is similar. The optical layout is separated into beam collimator (with integrated optics and metrology laser injection) and camera system (with detector, dispersive element, & Wollaston filter wheel). Mechanically, this transfers to two regions which are separated by a solid baffle wall incorporating the blocking filter for the metrology Laser wavelength. The optical subunits are mounted in individual rigid tubes which pay respect to the individual shape, size and thermal expansion of the lenses. For a minimized thermal background, the spectrometers are actively cooled down to an operating temperature of 80K in the ambient temperature environment of the GRAVITY vacuum dewar. The integrated optics beam combiner and the metrology laser injection, which are operated at 200/240K, are mounted thermally isolated to the cold housing of the spectrometers. The optical design has shown that the alignment of the detector is crucial to the performance of the spectrometers. Therefore, in addition to four wheel mechanisms, six cryogenic positioning mechanisms are included in the mechanical design of the detector mount." @default.
- W2023705085 created "2016-06-24" @default.
- W2023705085 creator A5003294359 @default.
- W2023705085 creator A5006047518 @default.
- W2023705085 creator A5011313790 @default.
- W2023705085 creator A5011405198 @default.
- W2023705085 creator A5018864125 @default.
- W2023705085 creator A5033061863 @default.
- W2023705085 creator A5041816269 @default.
- W2023705085 creator A5050875791 @default.
- W2023705085 creator A5052543339 @default.
- W2023705085 creator A5062064925 @default.
- W2023705085 creator A5082869565 @default.
- W2023705085 creator A5090982750 @default.
- W2023705085 date "2010-07-16" @default.
- W2023705085 modified "2023-10-10" @default.
- W2023705085 title "The GRAVITY spectrometers: mechanical design" @default.
- W2023705085 doi "https://doi.org/10.1117/12.856118" @default.
- W2023705085 hasPublicationYear "2010" @default.
- W2023705085 type Work @default.
- W2023705085 sameAs 2023705085 @default.
- W2023705085 citedByCount "0" @default.
- W2023705085 crossrefType "proceedings-article" @default.
- W2023705085 hasAuthorship W2023705085A5003294359 @default.
- W2023705085 hasAuthorship W2023705085A5006047518 @default.
- W2023705085 hasAuthorship W2023705085A5011313790 @default.
- W2023705085 hasAuthorship W2023705085A5011405198 @default.
- W2023705085 hasAuthorship W2023705085A5018864125 @default.
- W2023705085 hasAuthorship W2023705085A5033061863 @default.
- W2023705085 hasAuthorship W2023705085A5041816269 @default.
- W2023705085 hasAuthorship W2023705085A5050875791 @default.
- W2023705085 hasAuthorship W2023705085A5052543339 @default.
- W2023705085 hasAuthorship W2023705085A5062064925 @default.
- W2023705085 hasAuthorship W2023705085A5082869565 @default.
- W2023705085 hasAuthorship W2023705085A5090982750 @default.
- W2023705085 hasConcept C120665830 @default.
- W2023705085 hasConcept C121332964 @default.
- W2023705085 hasConcept C131396349 @default.
- W2023705085 hasConcept C166689943 @default.
- W2023705085 hasConcept C183852935 @default.
- W2023705085 hasConcept C195766429 @default.
- W2023705085 hasConcept C23576306 @default.
- W2023705085 hasConcept C2777527079 @default.
- W2023705085 hasConcept C2779200277 @default.
- W2023705085 hasConcept C33390570 @default.
- W2023705085 hasConcept C520434653 @default.
- W2023705085 hasConcept C54101563 @default.
- W2023705085 hasConcept C62520636 @default.
- W2023705085 hasConcept C89106999 @default.
- W2023705085 hasConcept C94915269 @default.
- W2023705085 hasConcept C97355855 @default.
- W2023705085 hasConceptScore W2023705085C120665830 @default.
- W2023705085 hasConceptScore W2023705085C121332964 @default.
- W2023705085 hasConceptScore W2023705085C131396349 @default.
- W2023705085 hasConceptScore W2023705085C166689943 @default.
- W2023705085 hasConceptScore W2023705085C183852935 @default.
- W2023705085 hasConceptScore W2023705085C195766429 @default.
- W2023705085 hasConceptScore W2023705085C23576306 @default.
- W2023705085 hasConceptScore W2023705085C2777527079 @default.
- W2023705085 hasConceptScore W2023705085C2779200277 @default.
- W2023705085 hasConceptScore W2023705085C33390570 @default.
- W2023705085 hasConceptScore W2023705085C520434653 @default.
- W2023705085 hasConceptScore W2023705085C54101563 @default.
- W2023705085 hasConceptScore W2023705085C62520636 @default.
- W2023705085 hasConceptScore W2023705085C89106999 @default.
- W2023705085 hasConceptScore W2023705085C94915269 @default.
- W2023705085 hasConceptScore W2023705085C97355855 @default.
- W2023705085 hasLocation W20237050851 @default.
- W2023705085 hasOpenAccess W2023705085 @default.
- W2023705085 hasPrimaryLocation W20237050851 @default.
- W2023705085 hasRelatedWork W2038113860 @default.
- W2023705085 hasRelatedWork W2040348560 @default.
- W2023705085 hasRelatedWork W2052042321 @default.
- W2023705085 hasRelatedWork W2077463311 @default.
- W2023705085 hasRelatedWork W2171592380 @default.
- W2023705085 hasRelatedWork W2247385296 @default.
- W2023705085 hasRelatedWork W2317895918 @default.
- W2023705085 hasRelatedWork W2849183955 @default.
- W2023705085 hasRelatedWork W4200129078 @default.
- W2023705085 hasRelatedWork W4288217796 @default.
- W2023705085 isParatext "false" @default.
- W2023705085 isRetracted "false" @default.
- W2023705085 magId "2023705085" @default.
- W2023705085 workType "article" @default.