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

Accelerating two-dimensional infrared spectroscopy while preserving lineshapes using GIRAF

Abstract

We introduce a computationally efficient structured low-rank algorithm for the reconstruction of two-dimensional infrared (2D IR) spectroscopic data from few measurements. The signal is modeled as a combination of exponential lineshapes that are annihilated by appropriately chosen filters. The annihilation relations result in a low-rank constraint on a Toeplitz matrix constructed from signal samples, which is exploited to recover the unknown signal samples. Quantitative and qualitative studies on simulated and experimental data demonstrate that the algorithm outperforms the discrete compressed sensing algorithm, both in uniform and non-uniform sampling settings.

© 2017 Optical Society of America

Full Article  |  PDF Article
More Like This
Ultrafast pH-jump two-dimensional infrared spectroscopy

Jennifer C. Flanagan and Carlos R. Baiz
Opt. Lett. 44(20) 4937-4940 (2019)

Direct wide-angle measurement of a photonic band structure in a three-dimensional photonic crystal using infrared Fourier imaging spectroscopy

Lifeng Chen, Martin Lopez-Garcia, Mike P. C. Taverne, Xu Zheng, Ying-Lung D. Ho, and John Rarity
Opt. Lett. 42(8) 1584-1587 (2017)

Three-dimensional optoacoustic reconstruction using fast sparse representation

Yiyong Han, Lu Ding, Xosé Luis Deán Ben, Daniel Razansky, Jaya Prakash, and Vasilis Ntziachristos
Opt. Lett. 42(5) 979-982 (2017)

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 (5)

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

Equations (7)

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