Product Assurance for the PLATO Telescope Optical Unit

被引：3

作者：

Chinellato, Simonetta ^{[1
,2
]}

Postiglione, Giovanni ^{[3
]}

Bandy, Timothy ^{[6
]}

Battistelli, Enrico ^{[3
]}

Bergomi, Maria ^{[1
]}

Biondi, Federico ^{[1
]}

Borsa, Francesco ^{[5
]}

Calderone, Flavia ^{[4
]}

Cessa, Virginie ^{[6
]}

Farinato, Jacopo ^{[1
]}

Greggio, Davide ^{[1
]}

Magrin, Demetrio ^{[1
]}

Marafatto, Luca ^{[1
]}

Molendini, Francesca ^{[6
]}

Munari, Matteo ^{[4
]}

Natalucci, Silvia ^{[7
]}

Novi, Andrea ^{[3
]}

Pagano, Isabella ^{[4
]}

Piazza, Daniele ^{[6
]}

Ragazzoni, Roberto ^{[1
]}

Salatti, Mario ^{[7
]}

Viotto, Valentina ^{[1
]}

机构：

[1] INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy

[2] INAF Direz Sci, Viale Parco Mellini 84, I-00136 Rome, Italy

[3] Leonardo Spa, Via Officine Galileo 1, I-50013 Campi Bisenzio, FI, Italy

[4] INAF Osservatorio Astrofis Catania, Via S Sofia 78, I-95123 Catania, Italy

[5] INAF Osservatorio Astron Brera, Via E Bianchi 46, I-23807 Merate, LC, Italy

[6] UBE Univ Bern, Sidlerstr 5, CH-3012 Bern, Switzerland

[7] ASI, Via Politecn, I-00133 Rome, Italy

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2020: OPTICAL, INFRARED, AND MILLIMETER WAVE | 2021年 / 11443卷

关键词：

Product Assurance; PLATO; TOU; Materials; Processes; Cleanliness; Contamination; Validation;

D O I：

10.1117/12.2561031

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We describe the main tasks of the Product Assurance process for the Telescope Optical Unit (TOU) of the ESA PLATO mission, that starts from the design phase and proceeds through all phases, up to the final product, with the aim of improving the likelihood of success of the mission. When dealing with the opto-mechanical components of the TOU, several aspects regarding safety and performance have to be analyzed and tracked. From the PA point of view, we focus in this paper on materials and processes selection that shall be suitable and robust enough for the space environment. Cleanliness and contamination control is needed to overcome loss of optical performance. Validations and qualifications on prototypes is fundamental to assess the reliability of the instrument for its purpose and for the lifetime of the mission.

引用

页数：10

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