Two-dimensional electronic spectroscopy with double modulation lock-in detection: enhancement of sensitivity and noise resistance
(2011) In Optics Express 19(14). p.13126-13133- Abstract
- In many potential applications of two-dimensional (2D) electronic spectroscopy the excitation energies per pulse are strictly limited, while the samples are strongly scattering. We demonstrate a technique, based on double-modulation of incident laser beams with mechanical choppers, which can be implemented in almost any non-collinear four wave mixing scheme including 2D spectroscopy setup. The technique virtually eliminates artifacts or "ghost" signals in 2D spectra, which arise due to scattering and accumulation of long-lived species. To illustrate the advantages of the technique, we show a comparison of porphyrin J-aggregate 2D spectra obtained with different methods following by discussion. (C) 2011 Optical Society of America
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/2161896
- author
- Augulis, Ramunas LU and Zigmantas, Donatas LU
- organization
- publishing date
- 2011
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Optics Express
- volume
- 19
- issue
- 14
- pages
- 13126 - 13133
- publisher
- Optical Society of America
- external identifiers
-
- wos:000292876500073
- scopus:79959907586
- ISSN
- 1094-4087
- DOI
- 10.1364/OE.19.013126
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)
- id
- be776337-12fc-4706-b748-364514e1f498 (old id 2161896)
- date added to LUP
- 2016-04-01 13:58:36
- date last changed
- 2022-03-14 02:54:49
@article{be776337-12fc-4706-b748-364514e1f498, abstract = {{In many potential applications of two-dimensional (2D) electronic spectroscopy the excitation energies per pulse are strictly limited, while the samples are strongly scattering. We demonstrate a technique, based on double-modulation of incident laser beams with mechanical choppers, which can be implemented in almost any non-collinear four wave mixing scheme including 2D spectroscopy setup. The technique virtually eliminates artifacts or "ghost" signals in 2D spectra, which arise due to scattering and accumulation of long-lived species. To illustrate the advantages of the technique, we show a comparison of porphyrin J-aggregate 2D spectra obtained with different methods following by discussion. (C) 2011 Optical Society of America}}, author = {{Augulis, Ramunas and Zigmantas, Donatas}}, issn = {{1094-4087}}, language = {{eng}}, number = {{14}}, pages = {{13126--13133}}, publisher = {{Optical Society of America}}, series = {{Optics Express}}, title = {{Two-dimensional electronic spectroscopy with double modulation lock-in detection: enhancement of sensitivity and noise resistance}}, url = {{http://dx.doi.org/10.1364/OE.19.013126}}, doi = {{10.1364/OE.19.013126}}, volume = {{19}}, year = {{2011}}, }