Parallel-Plate Capacitor Titanium Nitride Kinetic Inductance Detectors for Infrared Astronomy
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| Formato: | Preprint |
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2023
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| author | Perido, Joanna Day, Peter K. Beyer, Andrew D. Cothard, Nicholas F. Hailey-Dunsheath, Steven Leduc, Henry G. Eom, Byeong H. Glenn, Jason |
| author_facet | Perido, Joanna Day, Peter K. Beyer, Andrew D. Cothard, Nicholas F. Hailey-Dunsheath, Steven Leduc, Henry G. Eom, Byeong H. Glenn, Jason |
| contents | The Balloon Experiment for Galactic INfrared Science (BEGINS) is a concept for a sub-orbital observatory that will operate from $λ$ = 25-250 $μ$m to characterize dust in the vicinity of high-mass stars. The mission's sensitivity requirements will be met by utilizing arrays of 1,840 lens-coupled, lumped-element kinetic inductance detectors (KIDs) operating at 300 mK. Each KID will consist of a titanium nitride (TiN) parallel strip absorbing inductive section and parallel plate capacitor (PPC) deposited on a silicon (Si) substrate. The PPC geometry allows for reduction of the pixel spacing. At the BEGINS focal plane the detectors require optical NEPs from $2\times10^{-16}$ W/$\sqrt{\textrm{Hz}}$ to $6\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$ from 25-250 $μ$m for optical loads ranging from 4 pW to 10 pW. We present the design, optical performance and quasiparticle lifetime measurements of a prototype BEGINS KID array at 25 $μ$m when coupled to Fresnel zone plate lenses. For our optical set up and the absorption efficiency of the KIDs, the electrical NEP requirement at 25 $μ$m is $7.6\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$ for an absorbed optical power of 0.36 pW. We find that over an average of five resonators the the detectors are photon noise limited down to about 200 fW, with a limiting NEP of about $7.4\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_17378 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Parallel-Plate Capacitor Titanium Nitride Kinetic Inductance Detectors for Infrared Astronomy Perido, Joanna Day, Peter K. Beyer, Andrew D. Cothard, Nicholas F. Hailey-Dunsheath, Steven Leduc, Henry G. Eom, Byeong H. Glenn, Jason Instrumentation and Methods for Astrophysics Instrumentation and Detectors The Balloon Experiment for Galactic INfrared Science (BEGINS) is a concept for a sub-orbital observatory that will operate from $λ$ = 25-250 $μ$m to characterize dust in the vicinity of high-mass stars. The mission's sensitivity requirements will be met by utilizing arrays of 1,840 lens-coupled, lumped-element kinetic inductance detectors (KIDs) operating at 300 mK. Each KID will consist of a titanium nitride (TiN) parallel strip absorbing inductive section and parallel plate capacitor (PPC) deposited on a silicon (Si) substrate. The PPC geometry allows for reduction of the pixel spacing. At the BEGINS focal plane the detectors require optical NEPs from $2\times10^{-16}$ W/$\sqrt{\textrm{Hz}}$ to $6\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$ from 25-250 $μ$m for optical loads ranging from 4 pW to 10 pW. We present the design, optical performance and quasiparticle lifetime measurements of a prototype BEGINS KID array at 25 $μ$m when coupled to Fresnel zone plate lenses. For our optical set up and the absorption efficiency of the KIDs, the electrical NEP requirement at 25 $μ$m is $7.6\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$ for an absorbed optical power of 0.36 pW. We find that over an average of five resonators the the detectors are photon noise limited down to about 200 fW, with a limiting NEP of about $7.4\times10^{-17}$ W/$\sqrt{\textrm{Hz}}$. |
| title | Parallel-Plate Capacitor Titanium Nitride Kinetic Inductance Detectors for Infrared Astronomy |
| topic | Instrumentation and Methods for Astrophysics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2312.17378 |