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A new look at the origin of the universe

Researchers at the University of Lisbon use e-chains for a new type of multi-object spectrograph

gold vector
Winner of the golden vector award 2024: How did galaxies form? Where do exoplanets with life-friendly conditions exist? A multi-object and near-infrared spectrograph from the Institute of Astrophysics and Space Sciences at the University of Lisbon is expected to provide answers. The engineers rely on energy chains from the igus triflex series for the precise and trouble-free movement of the sensitive optical fibres. For the jury of the vector award 2024, the most spectacular e-chain application. 

Profile

  • What was needed:  Energy chains made of high-performance plastic from the triflex series
  • Requirements: The optical fibres of the spectrograph may only be subjected to low loads during movement. In addition, the guidance must work reliably under high ozone levels. 
  • Industry: Aviation technology
  • Success for the customer: The cable guidance works so precisely and gently that it does not interfere with scientific observations. The solution is fail-safe even with permanently high ozone levels. 

Problem

The multi-object and near-infrared spectrograph of the Institute of Astrophysics and Space Sciences at the University of Lisbon has a field of view the size of the moon and can simultaneously observe over 1,000 objects in the visible and near-infrared wavelength range. In future, it will be used in the Very Large Telescope (VLT), one of the world's most advanced telescope arrays in the mountains of the Atacama Desert in Chile. The spectrograph is the result of a long development process with various design challenges. One of them was the safe guidance of the sensitive optical fibres that transport the light from a rotating front end to the spectrograph. Even the smallest loads can lead to a falsification of the measurement results. In addition, the cable guidance must work reliably at an altitude of 2,670 metres under high ozone levels in order to prevent expensive system failures.  

Solution

In order to guide the optical fibres safely from the rotating front end to the spectrograph, the researchers at the Institute of Astrophysics and Space Sciences at the University of Lisbon rely on energy chains made of high-performance plastic from the igus triflex series. The e-chains ensure that the fibres are not exposed to any stress during movement that could jeopardise the scientific observations. According to the engineers, the energy chains fulfil this important task reliably even at an altitude of 2,670 metres and under high ozone levels and extremely low humidity. 

"igus supported us in the initial search for a 3D solution and in obtaining information about the material properties to validate their application. This support was very useful to help with the final implementation of the solution."
Institute of Astrophysics at the University of Lisbon 
Energy chains
Energy chains
Energy chains


용어 "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "tribotape", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" 및 "yes" 는 독일 및 일부 외국에서 igus® GmbH/ Cologne의 법적 보호를 받는 상표입니다 이는 독일, 유럽연합, 미국 및/또는 기타 국가 또는 관할권에서 igus GmbH 또는 igus의 계열사가 보유한 상표(예: 출원 중인 상표 또는 등록 상표)의 전체 목록이 아닙니다.

igus® GmbH는 Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosch Rexroth, SEW, Siemens, Stöber 및 이 웹사이트에서 언급된 다른 모든 드라이브 제조업체의 어떠한 제품도 판매하지 않음을 알려드립니다. 이구스에서 공급하는 제품은 igus® GmbH의 제품입니다.