Ultraviolet detector with CMOS-coupled microchannel plates for future space missions
Ultraviolet detector with CMOS-coupled microchannel plates for future space missions
复制标题
用于未来太空任务的带有 CMOS 耦合微通道板的紫外线探测器
DOI：
10.1117/12.2232183
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发表时间：
2016
期刊：
影响因子：
--
通讯作者：
and I. Yoshikawa
中科院分区：
文献类型：
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作者：
Murakami;G.;M. Kuwabara;K. Yoshioka;R. Hikida;F. Suzuki;and I. Yoshikawa
极紫外望远镜和光谱仪已被用作各种空间应用，特别是行星科学的有力工具。许多EUV仪器采用具有电阻阳极编码器（RAE）的微通道板（MCP）检测系统。RAE是适合于空间应用的位置敏感阳极之一，因为其低功率、质量和体积以及非常高的可靠性。然而，这种具有RAE的检测系统具有分辨率（高达512 x 512像素）和入射计数率（高达~ 104计数/秒）的限制。在未来的空间和行星探测任务中，需要一种具有不同位置敏感系统的新型探测器，以提高入射光子的分辨率和动态范围。这个问题的解决方案之一是使用CMOS成像传感器。CMOS图像传感器具有高分辨率、高抗辐射能力等特点，得到了广泛的应用。在这里，我们开发了一种新的CMOS耦合MCP探测器，用于未来的紫外线空间和行星任务。它由MCP、荧光屏、光纤板和无窗口CMOS组成。我们制造了该探测器的测试模型，并进行了振动、热循环和性能测试。FOP耦合CMOS图像传感器的测试样品达到了32 lp/mm的分辨率极限和28 μ m的PSF，对应于1024 × 1024像素的空间分辨率。我们的研究结果表明，这种新型的紫外探测器可以广泛用于未来的空间应用。
The extreme ultraviolet (EUV) telescopes and spectrometers have been used as powerful tools in a variety of space applications, especially in planetary science. Many EUV instruments adopted microchannel plate (MCP) detection systems with resistive anode encoders (RAEs). An RAE is one of the position sensitive anodes suitable for space-based applications because of its low power, mass, and volume coupled with very high reliability. However, this detection system with RAE has limitations of resolution (up to 512 x 512 pixels) and incident count rate (up to ~104count/sec). Concerning the future space and planetary missions, a new detector with different position sensitive system is required in order to a higher resolution and dynamic range of incident photons. One of the solutions of this issue is using a CMOS imaging sensor. The CMOS imaging sensor with high resolution and high radiation tolerance has been widely used. Here we developed a new CMOS-coupled MCP detector for future UV space and planetary missions. It consists of MCPs followed by a phosphor screen, fiber optic plate, and a windowless CMOS. We manufactured a test model of this detector and performed vibration, thermal cycle, and performance tests. The test sample of FOP-coupled CMOS image sensor achieved the resolving limit of 32 lp/mm and the PSF of 28 um, corresponds to the spatial resolution of 1024 x 1024 pixels. Our results indicate that this new type of UV detector can be widely used for future space applications.