Laser-based frequency-to-pixel mapping method for submillimetre MKID array

doi:10.1093/rasti/rzag007

2026-01-01

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DOI：10.1093/rasti/rzag007

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微波动力学电感探测器（MKIDs）利用其固有的频分复用能力，通过单传输线实现全阵列读出，从而为大型亚毫米（sub-mm）探测器提供卓越的可扩展性。然而，制造差异导致频率偏移、共振器碰撞和缺失，需要为这些架构中的每个像素进行精确的频率映射。我们提出了一种可见线激光扫描方法，该方法以窄线性光斑逐次照射阵列的行和列，产生局部准粒子生成（$h\nu \gg 2\Delta$）和可测量的共振偏移，从而实现直接频率-像素分配。如我们157像素ROGer偏振计阵列所示，该方法在保持MKIDs固有架构的同时准确建立了频率-像素映射，且无需对焦平面架构进行修改。这种可扩展、对准友好的方法为下一代亚毫米仪器中大型阵列MKIDs的挑战提供了一种有前景的解决方案。

Keyword:

MKIDs

Frequency-division multiplexing

Frequency-to-pixel mapping

Visible line laser mapping

Sub-mm astronomy

Instrumentation

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RAS Techniques and Instruments

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Purple Mountain Observatory, CAS

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论文数: 25

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chinese university of hong kong

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