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http://hdl.handle.net/20.500.12386/26480
Titolo: | Integration and alignment through mechanical measurements: the example of the ESPRESSO front-end units | Autori: | Aliverti, Matteo PARIANI, Giorgio Moschetti, Manuele RIVA, Marco |
Data pubblicazione: | 2016 | Titolo del volume in cui è pubblicato il poster: | Ground-based and airborne instrumentation for astronomy VI | Curatore/i del volume in cui è pubblicato il contributo: | Evans, Christopher J. ; Simard, Luc ; Takami, Hideki | Serie: | PROCEEDINGS OF SPIE | Numero: | 9908 | Da pagina:: | 99087C | Abstract: | Traditional techniques usually rely on optical feedback to align optical elements over all the degrees of freedom needed. This strongly iterative process implies the use of bulky and/or flexible adjustable mountings. Another solution under study consists in the characterization of every optomechanical elements and the integration of the parts without any optical feedback. The characterization can be performed using different 3D Coordinate Measuring Machines (like Laser Tracker, Articulated Arms and Cartesian ones) and referencing different parts like the optomechanical mounts or the optical surfaces. The alignment of the system is done adjusting the six degrees of freedom of every element with metallic shims. Those calibrated elements are used to correct the interfaces position of the semikinematic system composed by 3 screws and 3 pins. In this paper, the integration and alignment of the ESPRESSO Front End Units (FEUs) will be used as pathfinder to test different alignment methods and evaluate their performances. | Titolo del convegno: | Ground-based and Airborne Instrumentation for Astronomy VI | Luogo del convegno: | Edinburgh, United Kingdom | Periodo del convegno: | 26 June - 1 July, 2016 | URI: | http://hdl.handle.net/20.500.12386/26480 | URL: | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9908/1/Integration-and-alignment-through-mechanical-measurements--the-example-of/10.1117/12.2233998.short?SSO=1 | ISSN: | 0277-786X | ISBN: | 9781510601956 | DOI: | 10.1117/12.2233998 | Bibcode ADS: | 2016SPIE.9908E..7CA | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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