FIRSST: direct detection spectrometer instrument

Karwan Rostem; Gordon J. Stacey; Thomas Nikola; Jake Connors; Alexander Kutyrev; Edward J. Wollack; Lorenza Ferrari; Isaiah Franka; Beck Fritzche; Michelle Goldman; Yongsu Kim; Chanda Walker; Michael B. Zemcov

doi:10.1117/12.3019045

24 August 2024 FIRSST: direct detection spectrometer instrument

Karwan Rostem, Gordon J. Stacey, Thomas Nikola, Jake Connors, Alexander Kutyrev, Edward J. Wollack, Lorenza Ferrari, Isaiah Franka, Beck Fritzche, Michelle Goldman, Yongsu Kim, Chanda Walker, Michael B. Zemcov

Author Affiliations +

Proceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130920H (2024) https://doi.org/10.1117/12.3019045
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The Direct Detection Spectrometer Instrument (DDSI) is one of two instruments designed for the Far-IR Spectroscopy Space Telescope (FIRSST) recently proposed to NASA in response to the Astrophysics Probe Explorer call. The DDSI consists of two modules: HR delivering spectra at R~20,000 to 100,000 in three select bands (HR1-3) across 56-184μm, and LR providing broadband spectral coverage at R~100 in four bands (LR1-4) across 35-260 µm. The dispersive element of the HR bands is a compact optical resonator known as a virtually imaged phase array. All DDSI bands use microwave kinetic inductance detector (MKID) arrays cooled to 120mK. The total DDSI MKID pixel count is 2612 pixels.

Conference Presentation

Citation Download Citation

Karwan Rostem, Gordon J. Stacey, Thomas Nikola, Jake Connors, Alexander Kutyrev, Edward J. Wollack, Lorenza Ferrari, Isaiah Franka, Beck Fritzche, Michelle Goldman, Yongsu Kim, Chanda Walker, and Michael B. Zemcov "FIRSST: direct detection spectrometer instrument", Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130920H (24 August 2024); https://doi.org/10.1117/12.3019045

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