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Two models for bolometer and microcalorimeter detectors with complex thermal architectures

2005/07/31 by John W. Appel, J. W. Appel, M. Galeazzi · 7 citations
Engineering · Physics and Astronomy · #Amplifier #Bolometer #CMOS #Computer science #Decoupling (probability) #Detector #Engineering #Johnson–Nyquist noise #Low-noise amplifier #Noise (video) #Noise temperature #Noise-equivalent power #Optics #Optoelectronics #Phase noise #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Resistor #Responsivity #Superconducting and THz Device Technology #Thermal Radiation and Cooling Technologies #Transition edge sensor #Y-factor #astro-ph #physics.ins-det

paper · pdf · doi:10.1016/j.nima.2006.02.135

published in Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 562(1), 272-280 (Elsevier BV) · 11 pages, 7 figures, 1 Table

arxiv created 2005/12/06 · openalex publication_date 2006/03/10 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We have developed two analytical models to describe the performance of cryogenic microcalorimeters and bolometers. One of the models is suitable to describe Transition Edge Sensor (TES) detectors with an integrated absorber, the other is suitable for detectors with large absorbers. Both models take into account hot-electron decoupling and absorber decoupling. The differential equations describing these models have been solved using block diagram algebra. Each model has produced closed form solutions for the detector's responsivity, dynamic impedance, and noise equivalent power for phonon noise, Johnson noise, amplifier noise, 1/f noise, and load resistor noise.

Citations