EAGLE ISS - a modular twin-channel integral-field near-IR spectrograph

被引：1

作者：

Hastings, Peter ^{[1
]}

Stobie, Brian ^{[1
]}

Vives, Sebastien ^{[2
]}

Vola, Pascal ^{[2
]}

Wells, Martyn ^{[1
]}

Evans, Christopher ^{[1
]}

机构：

[1] Royal Observ, UK Astron Technol Ctr, Blackford Hill, Edinburgh EH9 3HJ, Midlothian, Scotland

[2] Observat Astronm Marseille Prov, Lab Astrophys Marseille, F-13388 Marseille, France

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY III | 2010年 / 7735卷

关键词：

VPH Gratings; Image Slicing; Integral-Field Spectrograph; IR-astronomy; E-ELT; IFU; Adaptive Optics; DESIGN;

D O I：

10.1117/12.857177

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ISS (Integral-field Spectrograph System) has been designed as part of the EAGLE Phase A Instrument Study for the E-ELT. It consists of two input channels of 1.65x1.65 arcsec field-of-view, each reconfigured spatially by an image-slicing integral-field unit to feed a single near-IR spectrograph using cryogenic volume-phase-holographic gratings to disperse the image spectrally. A 4k x 4k array detector array records the dispersed images. The optical design employs anamorphic magnification, image slicing, VPH gratings scanned with a novel cryo-mechanism and a three-lens camera. The mechanical implementation features IFU optics in Zerodur, a modular bench structure and a number of high-precision cryo-mechanisms.

引用

页数：12

共 19 条

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ASTRONOMY & ASTROPHYSICS, 2022, 661

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