Influence of apodization functions on continuous very far infrared spectra

F. Chávez Rivas; J. M. Laurant

doi:10.1016/0020-0891(85)90022-3

Influence of apodization functions on continuous very far infrared spectra

F. Chávez Rivas, J. M. Laurant

Escuela Superior de Física y Matemáticas (ESFM)

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Resumen

We show that the continuous transmission spectrum and continuous absorption coefficient in the VFIR region (K < 50 cm^-1) are distorted by all the weighting functions employed in the process of apodization, when using a Michelson interferometer. We observed that the most common triangular weighting function distorts considerably the FIR spectrum. We found that the weighting function [1- (Δ²/Δ²_max)] is more appropriate for smoothing the spectrum.

Idioma original	Inglés
Páginas (desde-hasta)	655-657
Número de páginas	3
Publicación	Infrared Physics
Volumen	25
N.º	4
DOI	https://doi.org/10.1016/0020-0891(85)90022-3
Estado	Publicada - jul. 1985

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abstract = "We show that the continuous transmission spectrum and continuous absorption coefficient in the VFIR region (K < 50 cm-1) are distorted by all the weighting functions employed in the process of apodization, when using a Michelson interferometer. We observed that the most common triangular weighting function distorts considerably the FIR spectrum. We found that the weighting function [1- (Δ2/Δ2max)] is more appropriate for smoothing the spectrum.",

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AU - Laurant, J. M.

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PY - 1985/7

Y1 - 1985/7

N2 - We show that the continuous transmission spectrum and continuous absorption coefficient in the VFIR region (K < 50 cm-1) are distorted by all the weighting functions employed in the process of apodization, when using a Michelson interferometer. We observed that the most common triangular weighting function distorts considerably the FIR spectrum. We found that the weighting function [1- (Δ2/Δ2max)] is more appropriate for smoothing the spectrum.

AB - We show that the continuous transmission spectrum and continuous absorption coefficient in the VFIR region (K < 50 cm-1) are distorted by all the weighting functions employed in the process of apodization, when using a Michelson interferometer. We observed that the most common triangular weighting function distorts considerably the FIR spectrum. We found that the weighting function [1- (Δ2/Δ2max)] is more appropriate for smoothing the spectrum.

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U2 - 10.1016/0020-0891(85)90022-3

DO - 10.1016/0020-0891(85)90022-3

M3 - Artículo

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VL - 25

SP - 655

EP - 657

JO - Infrared Physics

JF - Infrared Physics

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ER -

Influence of apodization functions on continuous very far infrared spectra

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