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Center Independent Research & Development: JPL IRAD

Distributed Transition Edge Sensor Arrays with Kinetic Inductance Readout

Active Technology Project

Project Introduction

Technology development program to produce focal plane arrays (FPA) for Far-Infrared (FIR) band instruments operating on a cryogenically cooled space  telescope.  In particular these detector arrays would be used to produce images in the wavelength bands from ~50 - 1000 microns.

The goal of this project is to develop a frequency domain multiplexed (FDM) FPA based on a electron-phonon isolated superconducting transition edge sensors (ep-TES) coupled to kinetic inductance based readout that is highly multiplexable. High sensitivity detector technology in the FIR is based on cryogenically cooled detectors, typically operating at <1.0K and quite often sub-Kelvin.  Semiconductor readouts either do not operate at these temperatures or are to energy inefficient for the available cooling power and other, lower power, readout techniques must be used. Frequency domain multiplexing (FDM) is a powerful technique now under development that has the potential to produce large pixel count, high-sensitivity  arrays throughout the FIR when mated with compatible sensors.

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Technology Maturity (TRL)

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