{"title":"Hartmann Sensing at Low Light Levels","authors":"D. L. Ash, C. Solomon","doi":"10.1364/nao.1997.pdp.1","DOIUrl":null,"url":null,"abstract":"• This work conducted with atmospheric turbulence in mind i.e. astronomical/satellite imaging • We have developed a computer model of a Shack-Hartmann sensor incorporating shot and ccd read noise with three main aims - • 1. To establish the optimal (pupil plane equivalent) Hartmann sub-aperture size for a given signal-noise scenario. • 2. To explore possible benefits of Bayesian wavefront estimation when operating at low light levels. • 3. To investigate improved slope estimation techniques.","PeriodicalId":135541,"journal":{"name":"Nonastronomical Adaptive Optics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nonastronomical Adaptive Optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/nao.1997.pdp.1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
• This work conducted with atmospheric turbulence in mind i.e. astronomical/satellite imaging • We have developed a computer model of a Shack-Hartmann sensor incorporating shot and ccd read noise with three main aims - • 1. To establish the optimal (pupil plane equivalent) Hartmann sub-aperture size for a given signal-noise scenario. • 2. To explore possible benefits of Bayesian wavefront estimation when operating at low light levels. • 3. To investigate improved slope estimation techniques.