English
Related papers

Related papers: Fibre Positioning Revisited: The use an off-the-sh…

200 papers

The OPTIMOS-EVE concept provides optical to near-infrared (370-1700 nm) spectroscopy, with three spectral resolution (5000, 15000 and 30000), with high simultaneous multiplex (at least 200). The optical fibre links are distributed in five…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Isabelle Guinouard , Fanny Chemla , Hector Flores , Jean-Michel Huet , François Hammer , Gerben Wulterkens

The EAGLE and EVE Phase A studies for instruments for the European Extremely Large Telescope (E-ELT) originated from related top-level scientific questions, but employed different (yet complementary) methods to deliver the required…

WEAVE is a 1000-fiber multi-object spectroscopic facility for the 4.2~m William Herschel Telescope. It will feature a double-headed pick-and-place fiber positioning robot comprising commercially available robotic axes. This paper presents…

Instrumentation and Methods for Astrophysics · Physics 2015-11-03 James Gilbert , Gavin Dalton , Ian Lewis

EAGLE is the multi-object, spatially-resolved, near-IR spectrograph instrument concept for the E-ELT, relying on a distributed Adaptive Optics, so-called Multi Object Adaptive Optics. This paper presents the results of a phase A study.…

We propose a new multi-object spectrograph for the VLT. MAXIMUS (MAXimum MUltiplex Spectrograph) will fully exploit the multiplexing capabilities of the OzPoz fibre positioner in order to extend and complement FLAMES and VIMOS in covering…

Astrophysics · Physics 2009-11-07 Matthew Colless , Keith Taylor

WEAVE is the new wide-field spectroscopic facility for the prime focus of the William Herschel Telescope in La Palma, Spain. Its fibre positioner is essential for the accurate placement of the spectrograph's ~960-fibre multiplex. To…

We present a conceptual design for a fiber positioning system for multi-object high-resolution spectroscopy, designed to be compatible with the upcoming large telescopes with a wide field of view. The design incorporates multiple…

Instrumentation and Methods for Astrophysics · Physics 2025-09-23 Manjunath Bestha , T. Sivarani , Arun Surya , Sudharsan Yadav , Athira Unni , Parvathy M , Devika Divakar , S. Sriram , Ajin Prakash , Amirul Hasan

In 2006 ESO Council authorized a Phase B study of a European AO-telescope with a 42 m segmented primary with a 5-mirror design, the E-ELT. Several reports and working groups have already presented science cases for an E-ELT, specifically…

Astrophysics of Galaxies · Physics 2015-05-18 Nils Ryde

EAGLE is a Phase A study of a multi-IFU, near-IR spectrometer for the European Extremely Large Telescope (E-ELT). The design employs wide-field adaptive optics to deliver excellent image quality across a large (38.5 arcmin sq.) field. When…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 C. J. Evans , M. D. Lehnert , J. -G. Cuby , S. L. Morris , M. Puech , N. Welikala , A. M. Swinbank , H. Schnetler

We are describing a new multi-fibre positioner, MEFOS, that was in general use at the La Silla Observatory, and implemented at the prime focus of the ESO 3.6 m telescope. It is an arm positioner using 29 arms in a one degree field. Each arm…

Astrophysics · Physics 2009-09-25 P. Felenbok , J. Guérin , A. Fernandez , V. Cayatte , C. Balkowski , R. C. Kraan-Korteweg

We present a new method to subtract sky light from faint object observations with fiber-fed spectrographs. The algorithm has been developed in the framework of the phase A of OPTIMOS-EVE, an optical-to-IR multi-object spectrograph for the…

Instrumentation and Methods for Astrophysics · Physics 2010-09-06 M. Rodrigues , H. Flores , M. Puech , Y. Yang , F. Royer

The EAGLE instrument is a Multi-Object Adaptive Optics (MOAO) fed, multiple Integral Field Spectrograph (IFS), working in the Near Infra-Red (NIR), on the European Extremely Large Telescope (E-ELT). A Phase A design study was delivered to…

The 39-meter European Extremely Large Telescope (E-ELT) is expected to have very low throughput in the blue part of the visible spectrum. Because of that, a blue-optimised spectrograph at the 8-meter Very Large Telescope could potentially…

Instrumentation and Methods for Astrophysics · Physics 2020-06-09 Rodolfo Smiljanic

We recommend a conceptual design study for a spectroscopic facility in the southern hemisphere comprising a large diameter telescope, fiber system, and spectrographs collectively optimized for massively-multiplexed spectroscopy. As a…

In fiber-based spectroscopy within telescopes, a prevailing limitation has been the necessity to align the fiber diameter with the telescope's seeing conditions, often characterized by the Full Width at Half Maximum of the point spread…

Instrumentation and Methods for Astrophysics · Physics 2024-06-25 Nitish Singh , S. Sriram , Bharat Kumar Yerra , Prasanna G. Deshmukh

The main scientific characteristic of VIMOS (VIsible Multi Object Spectrograph, to be placed on ESO Very Large Telescope) is its high multiplexing capability, allowing astronomers to obtain up to 800 spectra per exposure. To fully exploit…

Astrophysics · Physics 2007-05-23 Dario Bottini , Bianca Garilli , Laurence Tresse

Multiplexed surveys have the ambition to grow larger for the next generation of focal plane instruments. Future projects such as Spec-S5, MUST, and WST have an ever-growing need for multi-object spectroscopy (13,000 - 20,000 simultaneous…

Instrumentation and Methods for Astrophysics · Physics 2024-08-30 Maxime Rombach , Xiangyu Xu , Ricardo Araujo , Markus Thurneysen , Stefane Caseiro , Corentin Magnenat , Joseph H. Silber , Malak Galal , David Schlegel , Jean-Paul Kneib

A basic task in the design of a robotic production cell is the relative placement of robot and workpiece. The fundamental requirement is that the robot can reach all process positions; only then one can think of further optimization.…

Robotics · Computer Science 2019-01-03 Martin Weiß

Optical filters are used for a variety of purposes at astronomical telescopes. In the near infrared region, from 0.8 to 2.5 um, bandpass and edge filters are used to separate the different astronomical channels, such as the J, H, and K…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 S. Guenster , D. Ristau , R. Davies

Several robotic frameworks have been recently developed to assist ophthalmic surgeons in performing complex vitreoretinal procedures such as subretinal injection of advanced therapeutics. These surgical robots show promising capabilities;…

Robotics · Computer Science 2025-02-26 Satoshi Inagaki , Alireza Alikhani , Nassir Navab , Peter C. Issa , M. Ali Nasseri
‹ Prev 1 2 3 10 Next ›