Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Atmospheric degradation correction of terahertz beams using multiscale signal restoration

Not Accessible

Your library or personal account may give you access

Abstract

We present atmospheric degradation correction of terahertz (THz) beams based on multiscale signal decomposition and a combination of a Wiener deconvolution filter and artificial neural networks. THz beams suffer from strong attenuation by water molecules in the air. The proposed signal restoration approach finds the filter coefficients from a pair of reference signals previously measured from low- humidity conditions and current background air signals. Experimental results with two material samples of different chemical compositions demonstrate that the multiscale signal restoration technique is effective in correcting atmospheric degradation compared to individual and non-multiscale approaches.

© 2010 Optical Society of America

Full Article  |  PDF Article
More Like This
Frequency-wavelet domain deconvolution for terahertz reflection imaging and spectroscopy

Yang Chen, Shengyang Huang, and Emma Pickwell-MacPherson
Opt. Express 18(2) 1177-1190 (2010)

Two-beam coupling dynamic range compression deconvolution

Bahareh Haji-saeed, William D. Goodhue, Charles L. Woods, John Kierstead, and Jed Khoury
Appl. Opt. 49(31) 5964-5976 (2010)

Restoring atmospheric-turbulence-degraded images

Md. Hasan Furhad, Murat Tahtali, and Andrew Lambert
Appl. Opt. 55(19) 5082-5090 (2016)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (12)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved