Response of Superconductor Bolometer to Phonon Fluxes

• Authors: B. Danilchenko , Cz. Jasiukiewicz , T. Paszkiewicz , S. Wolski
• Languages of publication: EN

Abstracts

EN

A metallic film bolometer with heat capacity C is in contact with thermal bath and with crystalline specimen and is biased by a constant current I_b. The thermal contact of the bolometer is characterized by the thermal conductance G. The bolometer operates in the linear regime of dependence of resistance on temperature characterized by a constantα. Experiments which allow one to measureα, C, and G are proposed. The characteristic timeτ=C/G and characteristic current I_m=√{G/α} affect the effective relaxation rateΛ of the bolometer resistance R_b(t). The knowledge of the power W(t) absorbed by detector allows one to calculate R_b(t). The inverse problem of calculation of W(t) from known R_b(t) is also solved. The suitable algorithms are proposed. Deconvoluted absorbed power is obtained for experiments performed on GaAs and compared with phonoconductivity signal of two-dimensional electron gas structure as well as with results of Monte Carlo computer experiments.

Keywords

EN

07.57.Kp; 02.30.Hq; 66.70.+f

Discipline

• 07.57.Kp: Bolometers; infrared, submillimeter wave, microwave, and radiowave receivers and detectors(see also 85.60.Gz Photodetectors in electronic and magnetic devices, and 95.55.Rg Photoconductors and bolometers in astronomy)
• 02.30.Hq: Ordinary differential equations

• Journal: Acta Physica Polonica A
• Year: 2003
• Volume: 103
• Issue: 4
• Pages: 325-338

Dates

published

2003-04

received

2002-09-30

revised

2002-12-09

(unknown)

2003-02-20

Contributors

author

B. Danilchenko

• Institute of Physics, National Academy of Sciences of Ukraine, Prospect Nauki 46, 252650 Kiev, Ukraine

author

Cz. Jasiukiewicz

• Chair of Physics, Rzeszów University of Technology, Pola 2, 35-959 Rzeszów, Poland

author

T. Paszkiewicz

• Institute of Physics, University of Rzeszów, Rejtana 16A, 35-310 Rzeszów, Poland

author

S. Wolski

• Institute of Physics, University of Rzeszów, Rejtana 16A, 35-310 Rzeszów, Poland

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Identifiers

DOI

10.12693/APhysPolA.103.325