WSPEC：波导滤波器组光谱仪
WSPEC: A Waveguide Filter Bank Spectrometer
摘要：
我们设计、制造并测量了一个工作在WR 10波段的5通道光谱仪原型像素，以展示一种新的中等分辨率（R=f/Δf~100）、多像素、宽带光谱仪概念，用于毫米和亚毫米波天文学。我们的设计实现了一个传输线滤波器组使用波导谐振腔作为一系列的窄带滤波器，每个耦合到一个铝动态电感检测器（KID）。这项技术有可能进行下一代光谱观测，从而大大提高我们对再电离时代（EoR）、恒星形成和宇宙大尺度结构的理解。我们提出了我们的设计理念，我们的原型设备上的测量结果，以及我们努力开发一个4像素的演示仪器在130-250 GHz频段的最新进展。
英文摘要：
We have designed, fabricated, and measured a 5-channel prototype spectrometer pixel operating in the WR10 band to demonstrate a novel moderate-resolution (R=f/Δf~100), multi-pixel, broadband, spectrometer concept for mm and submm-wave astronomy. Our design implements a transmission line filter bank using waveguide resonant cavities as a series of narrow-band filters, each coupled to an aluminum kinetic inductance detector (KID). This technology has the potential to perform the next generation of spectroscopic observations needed to drastically improve our understanding of the epoch of reionization (EoR), star formation, and large-scale structure of the universe. We present our design concept, results from measurements on our prototype device, and the latest progress on our efforts to develop a 4-pixel demonstrator instrument operating in the 130-250 GHz band.
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