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.
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页数：12
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