[P-PS23] 月の科学と探査

[PPS23-10] 月着陸探査に向けた能動型蛍光X線分光計の開発状況

*長岡 央¹、長谷部 信行¹、草野 広樹¹、内藤 雅之¹、柴村 英道¹、天野 嘉春¹、太田 亨¹、Timothy Fagan¹ (1.早稲田大学)

キーワード：蛍光X線分析, 能動型蛍光X線分光計, 月着陸探査, 元素分析

The Active X-ray Spectrometer (AXS) consisting of an active X-ray generator and a silicon drift detector (SDD) has been developed for future lunar landing missions. The AXS can determine the elemental composition of rock samples by X-Ray Fluorescence spectroscopy which provides the geochemical data of rock samples. The AXS has each outstanding features as excellent energy resolution, compact and light weight, low power consumption, and no high voltage power supply and no radioisotopes. The X-ray generator is made of some pyroelectric crystals, peltier device and thin metal target. The instrument of the AXS and the present status of its development are presented and discussed.