An Array of Bandpass Detectors for Measuring Beam Spectral Components

Conference paper (2023)

Authors

M. Jahangiri Electronic Instrumentation - EEMCS
P.M. Sberna EKL Processing - EEMCS
A. Sammak BUS/TNO STAFF - QuTech Advanced Research Centre , TNO, QuTech Advanced Research Centre
S. Nihtianova Electronic Instrumentation - EEMCS
Research Group
Electronic Instrumentation (EEMCS) (TU Delft)
Copyright: © 2023 M. Jahangiri, P.M. Sberna, A. Sammak, S. Nihtianova
DOI: https://doi.org/10.1109/APSCON56343.2023.10101178
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Published Date

2023

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronic Instrumentation

Abstract

A clear understanding of the spectral components of an irradiated beam, or captured optical emission, is essential to optimize an optical system and increase its performance. Logically, for this purpose a grating-based spectrometer could be the first choice. However, in the case of a wide range spectrum, and for radiation with one dominant wavelength, this option may not work well. In this paper, we present a technique based on an array of bandpass detectors to measure accurately the power of a number of beam-specific spectral components in a wide spectrum range: from soft X-ray to infrared. The main unique features of this technique are: customization for specific wavelengths of interest; vacuum compatibility; and high sensitivity to low-energy spectral components in the presence of one or more dominant highpower spectral components.

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