Alternative pyramid wavefront sensors

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dc.contributor.authorvan Kooten, Maaike
dc.contributor.authorVeran, Jean Pierre
dc.contributor.authorBradley, Colin
dc.date.accessioned2018-08-13T16:17:29Z
dc.date.available2018-08-13T16:17:29Z
dc.date.copyright2017en_US
dc.date.issued2017
dc.description.abstractThe feasibility of a lenslet-based pyramid wavefront sensor (L-PWFS) and a double roof prism-based PWFS (DR-PWFS) as alternatives to a classical PWFS are investigated in this work. Traditional PWFSs require shallow angles and strict apex tolerances, making them difficult to manufacture. Lenslet arrays and roof prisms, on the other hand, are both common optical components that can be used as a PWFS. Characterizing these alternative pyramids and understanding how they differ from a traditional pyramid will allow the PWFS to become more widely used. The sensitivity of the SUSS microOptics 300-4.7 array and two ios Optics roof prisms are compared with a double PWFS (D-PWFS), as well as the simulated performance of an idealized PWFS for varying amounts of modulation and induced wavefront error. In response to low-order Zernike modes, the L-PWFS shows much lower performance and quicker saturation for large amounts of wavefront errors. The DR-PWFS, on the other hand, performs as well as the D-PWFS for the tests conducted. We conclude from this that the DR-PWFS does provide a feasible alternative to the classical pyramid in a range of applications.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.identifier.citationvan Kooten, M.; Veran, J.P.; & Bradley, C. (2017). Alternative pyramid wavefront sensors. Journal of Astronomical Telescopes, Instruments, and Systems, 3(2), 029001. http://dx.doi.org/10.1117/1.JATIS.3.2.029001en_US
dc.identifier.urihttp://dx.doi.org/10.1117/1.JATIS.3.2.029001
dc.identifier.urihttp://hdl.handle.net/1828/9899
dc.language.isoenen_US
dc.publisherJournal of Astronomical Telescopes, Instruments, and Systemsen_US
dc.subjectadaptive optics
dc.subjectwavefront sensing
dc.subjectpyramid wavefront sensing
dc.subject.departmentDepartment of Mechanical Engineering
dc.titleAlternative pyramid wavefront sensorsen_US
dc.typeArticleen_US

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