Optimal filter analysis of energy-dependent pulse shapes and its application to TES detectors

被引：19

作者：

Figueroa-Feliciano, E ^{[1
]}

Cabrera, B ^{[1
]}

Miller, AJ ^{[1
]}

Powell, SF ^{[1
]}

Saab, T ^{[1
]}

Walker, ABC ^{[1
]}

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 444卷 / 1-2期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

D O I：

10.1016/S0168-9002(99)01434-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a method for applying optimal filtering to data sets containing energy-dependent pulse shapes. This occurs frequently in transition edge sensors (TES) when dealing with signal energies that are close to the saturation point of the detector. Different filter templates are created which span the dynamic range desired for the TES. These filters are then used as templates to filter the data, using interpolation to bridge the gap between templates. The method has been demonstrated on our tungsten (W) TES. We present the latest results from heat-pulse data on a (125 mu m)(2) TES with resolutions of 3 eV FWHM at 42 eV and 4 eV FWHM at 1.42 keV with the same sensor demonstrating the wide band operation possible with this technique. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：453 / 456

页数：4

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