IRC: an infrared camera on board the IRIS
IRC: an infrared camera on board the IRIS
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IRC：IRIS 上的红外摄像机
DOI：
10.1117/12.317294
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发表时间：
1998
期刊：
影响因子：
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通讯作者：
H. Matsuhara
中科院分区：
文献类型：
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作者：
H. Matsuhara
IRC 的基本设计和当前开发现状：介绍了 IRIS 上的红外摄像机。 IRC是IRIS 70cm冷却望远镜的焦平面仪器之一。 IRC 利用最近开发的大幅面红外阵列进行成像和波长 1.8-26 微米的低分辨率光谱分析。 IRC 由 3 个摄像机通道组成：NIR、MIR-S 和 MIR-L。这 3 个通道同时观察天空的不同区域，具有衍射极限的空间分辨率。限制 IRC 性能的一个关键因素是大型阵列的性能：512 X 412 格式 InSb 和 256 X 256 格式 Si:As IBC 阵列在极低的温度下运行。 Hughes/SBRC 制造的 Si:As 阵列的性能测试正在进行中，并给出了初步结果。还介绍了相机光学系统和光学元件的设计。 IRC在大约500秒曝光时间的指向观测下运行，开发目标是实现高点源探测能力，但几乎受到微弱天文源造成的混乱的限制。
Basic design and current development status of IRC: an IR camera on-board the IRIS is presented. IRC is one of the focal-plane instruments of the 70cm cooled telescope of the IRIS. IRC utilizes recently developed large-format IR arrays for imaging and low-resolution spectroscopy at wavelength 1.8-26 micrometers . IRC consist of 3 camera channels: NIR, MIR-S, and MIR-L. These 3 channels simultaneously observe different fields of the sky, with diffraction-limited spatial resolution. One critical component limiting the performance of the IRC is the performance of large-format arrays: 512 X 412 format InSb and 256 X 256 format Si:As IBC arrays operation at very low temperature. Performance test of the Si:As array manufactured by the Hughes/SBRC is under way, and the preliminary results is presented. Design of the camera optics and the optical components is also presented. IRC is operated under the pointing observation of about 500 sec exposure time, and the development goal is to achieve high point-source detectivity limited nearly by the confusion due to faint astronomical sources.