Measurement Of Energy Resolution For TES Microcalorimeter With Optical Pulses
Shuo Zhang, Qing-Ya Zhang, CongZhan Liu, Jianshe Liu and, Wenhui Dong, Wei Chen
TL;DR
This paper introduces a laser-based method for measuring the energy resolution of TES microcalorimeters, offering a safer and more convenient alternative to traditional radioactive source methods, demonstrated on an Al/Ti detector.
Contribution
A novel laser system for energy resolution measurement of TES microcalorimeters, improving safety and convenience over existing radioactive source techniques.
Findings
Achieved 72 eV energy resolution for the TES detector
Demonstrated feasibility of laser-based measurement system
Applicable to energy range 0.2 keV to 0.9 keV
Abstract
Energy resolution is an important figure of merit for TES microcalorimeter. We propose a laser system to measure the energy resolution of TES microcalorimeter with a 1550 nm laser source. Compared to method that characterizes the performance by irradiating the detector using X-ray photons from a radioactive source placed inside the refrigerator, our system is safer and more convenient. The feasibility of this system has been demonstrated in the measurement of an Al/Ti bilayer TES microcalorimeter. In this experiment, the tested detector showed a energy resolution of 72 eV in the energy range from 0.2 keV to 0.9 keV
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Taxonomy
TopicsSuperconducting and THz Device Technology · Advanced MEMS and NEMS Technologies · Microwave and Dielectric Measurement Techniques