G. Ávila, G. Raskin, C. Schwab, J. Pember, B. Vandenbussche, H. Van Winckel, C. Guirao, Roman Guemperlein, J. Stürmer
{"title":"MARVEL: optical fiber link","authors":"G. Ávila, G. Raskin, C. Schwab, J. Pember, B. Vandenbussche, H. Van Winckel, C. Guirao, Roman Guemperlein, J. Stürmer","doi":"10.1117/12.2627382","DOIUrl":null,"url":null,"abstract":"MARVEL is a novel facility, consisting of an array of four robotic 80-cm telescopes and one highresolution Èchelle spectrograph. It targets extreme precision radial velocity observations for measuring the mass of exoplanets. The MARVEL spectrograph will be linked to the telescopes through a set of optical fibres. This fibre link consists of a combination of circular and octagonal fibres in an effort to maximize the photometric scrambling gain and hence, the illumination stability of the spectrograph. In this contribution, we present the design of the fibre link, as well as the results of a test campaign that evaluated the relevant characteristics of several circular and octagonal fibres. Based on this, we also report on the expected performances of the MARVEL fibre link.","PeriodicalId":137463,"journal":{"name":"Astronomical Telescopes + Instrumentation","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Astronomical Telescopes + Instrumentation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2627382","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
MARVEL is a novel facility, consisting of an array of four robotic 80-cm telescopes and one highresolution Èchelle spectrograph. It targets extreme precision radial velocity observations for measuring the mass of exoplanets. The MARVEL spectrograph will be linked to the telescopes through a set of optical fibres. This fibre link consists of a combination of circular and octagonal fibres in an effort to maximize the photometric scrambling gain and hence, the illumination stability of the spectrograph. In this contribution, we present the design of the fibre link, as well as the results of a test campaign that evaluated the relevant characteristics of several circular and octagonal fibres. Based on this, we also report on the expected performances of the MARVEL fibre link.