A Vacuum Waveguide Filter Bank Spectrometer for Far-Infrared Astrophysics

被引：0

作者：

Nie, Rong ^{[1
]}

Filippini, Jeffrey ^{[1
]}

Brooks, Elyssa ^{[2
]}

Barry, Peter ^{[3
]}

Connors, Jake ^{[4
]}

Gradziel, Marcin ^{[5
]}

Mercado, Dale ^{[6
]}

Razavimaleki, Vesal ^{[1
]}

Shirokoff, Erik ^{[2
]}

Spencer, Locke ^{[7
]}

Tramm, Serena ^{[6
]}

Trappe, Neil ^{[5
]}

Zemcov, Michael ^{[6
]}

机构：

[1] Univ Illinois, Dept Phys, Urbana, IL 61821 USA

[2] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

[3] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, Wales

[4] Natl Inst Stand & Technol, Boulder, CO 80305 USA

[5] Maynooth Univ, Expt Phys Dept, Maynooth, Ireland

[6] Rochester Inst Technol, Sch Phys & Astron, Street, NY 14623 USA

[7] Univ Lethbridge, Dept Phys & Astron, Lethbridge, AB T1K 3M4, Canada

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2024年 / 216卷 / 1-2期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

Far-infrared; MKID; Terahertz; Spectroscopy;

D O I：

10.1007/s10909-024-03166-2

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Traditional technologies for far-infrared (FIR) spectroscopy generally involve bulky dispersive optics. Integrated filter bank spectrometers promise more compact designs, but implementations using superconducting transmission line networks become lossy at terahertz frequencies. We describe a novel on-chip spectrometer architecture designed to extend this range. A filter bank spectrometer is implemented using vacuum waveguide etched into a silicon wafer stack. A single trunk line feeds an array of resonant cavities, each coupled to a kinetic inductance detector fabricated on an adjacent wafer. We discuss the design and fabrication of a prototype implementation, initial test results at ambient temperature, and prospects for future development.

引用

页码：408 / 416

页数：9

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