CRIRES:: A high resolution infrared spectrograph for ESO's VLT

被引：349

作者：

Käufl, HU ^{[1
]}

Ballester, P ^{[1
]}

Biereichel, P ^{[1
]}

Delabre, B ^{[1
]}

Donaldson, R ^{[1
]}

Dorn, R ^{[1
]}

Fedrigo, E ^{[1
]}

Finger, G ^{[1
]}

Fischer, G ^{[1
]}

Franza, F ^{[1
]}

Gojak, D ^{[1
]}

Huster, G ^{[1
]}

Jung, Y ^{[1
]}

Lizon, JL ^{[1
]}

Mehrgan, L ^{[1
]}

Meyer, M ^{[1
]}

Moorwood, A ^{[1
]}

Pirard, JF ^{[1
]}

Paufique, J ^{[1
]}

Pozna, E ^{[1
]}

Siebenmorgen, R ^{[1
]}

Silbera, A ^{[1
]}

Stegmeier, J ^{[1
]}

Wegerer, S ^{[1
]}

机构：

[1] European So Observ, D-85748 Garching, Germany

来源：

GROUND-BASED INSTRUMENTATION FOR ASTRONOMY, PTS 1-3 | 2004年 / 5492卷

关键词：

infrared spectroscopy; echelle; cryogenic movements; Zeeman-effect;

D O I：

10.1117/12.551480

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

CRIRES is a cryogenic, pre-dispersed, infrared echelle spectrograph designed to provide a resolving power lambda/Deltalambda of 10(5) between 1 and 5mum at the Nasmyth focus B of the 8m VLT unit telescope #1 (Antu). A curvature sensing adaptive optics system feed is used to minimize slit losses and to provide diffraction limited spatial resolution along the slit. A mosaic of 4 Aladdin III InSb-arrays packaged on custom-fabricated ceramics boards has been developed. This provides for an effective 4096x512 pixel focal plane array, to maximize the free spectral range covered in each exposure. Insertion of gas cells to measure high precision radial velocities is foreseen. For measurement of circular polarization a Fresnel rhomb in combination with a Wollaston prism for magnetic Doppler imaging is foreseen. The implementation of full spectropolarimetry is under study. This is one result of a scientific workshop held at ESO in late 2003 to refine the science-case of CRIRES. Installation at the VLT is scheduled during the first half of 2005. Here we briefly recall the major design features of CRIRES and describe its current development status including a report of laboratory testing.

引用

页码：1218 / 1227

页数：10

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