DEVELOPMENT OF REACTION-SINTERED SiC MIRROR FOR SPACE-BORNE OPTICS

机译：空间烧结光学反应烧结SiC镜的研制

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We are developing high-strength reaction-sintered siliconrncarbide (RS-SiC) mirror as one of the new promisingrncandidates for large-diameter space-borne optics.rnIn order to observe earth surface or atmosphere with highrnspatial resolution from geostationary orbit, largerrndiameter primary mirrors of 1-2 m are required. One ofrnthe difficult problems to be solved to realize such opticalrnsystem is to obtain as flat mirror surface as possible thatrnensures imaging performance in infrared - visible -rnultraviolet wavelength region. This means thatrnhomogeneous nano-order surface flatness/roughness isrnrequired for the mirror.rnThe high-strength RS-SiC developed and manufacturedrnby TOSHIBA is one of the most excellent and feasiblerncandidates for such purpose. Small RS-SiC plane samplernmirrors have been manufactured and basic physicalrnparameters and optical performances of them have beenrnmeasured. We show the current state of the art of thernRS-SiC mirror and the feasibility of a large-diameterrnRS-SiC mirror for space-borne optics.

机译：我们正在开发高强度反应烧结碳化硅（RS-SiC）镜，作为大直径星载光学器件的新的有希望的候选者之一。为了从静止轨道观察具有高空间分辨率的地球表面或大气层，需要使用更大直径的主镜需要1-2 m。实现这样的光学系统要解决的难题之一是获得尽可能平坦的镜面，以确保在红外-可见-紫外波长范围内的成像性能。这意味着镜子需要均匀的纳米级表面平整度/粗糙度。东芝开发和制造的高强度RS-SiC是用于此目的的最优秀，最可行的候选人之一。制作了小型的RS-SiC平面样品镜，并测量了其基本物理参数和光学性能。我们展示了rnRS-SiC反射镜的最新技术以及大直径rnRS-SiC反射镜在航天光学中的可行性。

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来源
《Proceedings of the 5th international conference on space optics (ICSO 2004)》|2004年|p.1-7|共7页
会议地点 Toulouse(FR);Toulouse(FR)
作者
Yukari Y. Yui; Toshiyoshi Kimura; Yoshio Tange;
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作者单位

Japan Aerospace Exploration Agency, X-Tower 23F, Harumi 1-8-10, Chuo-ku, Tokyo 104-6023, Japan,rnyui.yukari@jaxa.jp;

Japan Aerospace Exploration Agency, X-Tower 23F, Harumi 1-8-10, Chuo-ku, Tokyo 104-6023, Japan,rnkimura.toshiyoshi@jaxa.jp;

Japan Aerospace Exploration Agency, X-Tower 23F, Harumi 1-8-10, Chuo-ku, Tokyo 104-6023, Japan,rntange.yoshio@jaxa.jp;

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正文语种 eng
中图分类实测天体物理学;
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DEVELOPMENT OF REACTION-SINTERED SiC MIRROR FOR SPACE-BORNE OPTICS

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