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Showing 1 to 12 of 35 entries
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Stimulated Raman scattering microscopy by Nyquist modulation of a two-branch ultrafast fiber source.

Optics letters

Riek C, Kocher C, Zirak P, Kölbl C, Fimpel P, Leitenstorfer A, Zumbusch A, Brida D.
PMID: 27519075
Opt Lett. 2016 Aug 15;41(16):3731-4. doi: 10.1364/OL.41.003731.

A highly stable setup for stimulated Raman scattering (SRS) microscopy is presented. It is based on a two-branch femtosecond Er:fiber laser operating at a 40 MHz repetition rate. One of the outputs is directly modulated at the Nyquist frequency...

Nonlinear optical microscopy with vibrational contrast.

Journal of microscopy

Winterhalder MJ, Zumbusch A.
PMID: 24802254
J Microsc. 2014 Jul;255(1):1-6. doi: 10.1111/jmi.12131. Epub 2014 May 06.

Nonlinear optical techniques which provide vibrational contrast have gained increasing attention in microscopy during the last two decades. After outlining the potential of these techniques, we give a brief introduction to coherent anti-Stokes Raman scattering, stimulated Raman scattering and...

Toward far-field vibrational spectroscopy of single molecules at room temperature.

The journal of physical chemistry. B

Winterhalder MJ, Zumbusch A, Lippitz M, Orrit M.
PMID: 21381637
J Phys Chem B. 2011 May 12;115(18):5425-30. doi: 10.1021/jp109652s. Epub 2011 Mar 07.

We propose a new scheme for the extraction of chemically sensitive vibrational information from a single fluorescent molecule at room temperature. Our approach is based on a three-photon fluorescence excitation scheme, with selectivity in the production of a vibrational...

Indistinguishable photons from a single molecule.

Physical review letters

Kiraz A, Ehrl M, Hellerer T, Müstecaplioğlu OE, Bräuchle C, Zumbusch A.
PMID: 16090394
Phys Rev Lett. 2005 Jun 10;94(22):223602. doi: 10.1103/PhysRevLett.94.223602. Epub 2005 Jun 08.

We report the results of coincidence counting experiments at the output, of a Michelson interferometer using the zero-phonon-line emission of a single molecule at 1.4 K. Under continuous wave excitation, we observe the absence of coincidence counts as an...

Single molecule fluorescence microscopy investigations on heterogeneity of translational diffusion in thin polymer films.

Physical chemistry chemical physics : PCCP

Flier BM, Baier M, Huber J, Müllen K, Mecking S, Zumbusch A, Wöll D.
PMID: 21152591
Phys Chem Chem Phys. 2011 Feb 07;13(5):1770-5. doi: 10.1039/c0cp01801e. Epub 2010 Dec 10.

Translational diffusion of single perylene diimide molecules in 25 nm thin polymer films was investigated by single molecule widefield fluorescence microscopy. Spatial heterogeneities in single molecule motion were detected and analyzed by a new, quantitative method which draws a...

Shape-tunable core-shell microparticles.

Langmuir : the ACS journal of surfaces and colloids

Klein MK, Saenger NR, Schuetter S, Pfleiderer P, Zumbusch A.
PMID: 24649803
Langmuir. 2014 Oct 28;30(42):12457-64. doi: 10.1021/la500504u. Epub 2014 Apr 02.

Colloidal polymer particles are an important class of materials finding use in both everyday and basic research applications. Tailoring their composition, shape, and functionality is of key importance. In this article, we describe a new class of shape-tunable core-shell...

Probing individual two-level systems in a polymer by correlation of single molecule fluorescence.

Physical review letters

Bernard J, Brown R, Fleury L, Orrit M, Zumbusch A.
PMID: 10053911
Phys Rev Lett. 1993 Jun 07;70(23):3584-3587. doi: 10.1103/PhysRevLett.70.3584.

No abstract available.

Water-soluble pyrrolopyrrole cyanine (PPCy) NIR fluorophores.

Chemical communications (Cambridge, England)

Wiktorowski S, Rosazza C, Winterhalder MJ, Daltrozzo E, Zumbusch A.
PMID: 24686565
Chem Commun (Camb). 2014 May 11;50(36):4755-8. doi: 10.1039/c4cc01014k.

Water-soluble derivatives of pyrrolopyrrole cyanines (PPCys) have been synthesized by a post-synthetic modification route. In highly polar media, these dyes are excellent NIR fluorophores. Labeling experiments show how these novel dyes are internalized into mammalian cells.

A Profile of Regulated Nurses Employed in Canadian Long-Term Care Facilities-CORRIGENDUM.

Canadian journal on aging = La revue canadienne du vieillissement

Squires JE, Baumbusch J, Varin MD, MacDonald I, Chamberlain S, Boström AM, Thompson G, Cummings G, Estabrooks CA.
PMID: 31025621
Can J Aging. 2019 Jun;38(2):253. doi: 10.1017/S0714980819000278.

No abstract available.

Double modulation SRS and SREF microscopy: signal contributions under pre-resonance conditions.

Physical chemistry chemical physics : PCCP

Fimpel P, Choorakuttil AJX, Pruccoli A, Ebner L, Tanaka S, Ozeki Y, Winterhalder MJ, Zumbusch A.
PMID: 32944723
Phys Chem Chem Phys. 2020 Sep 30;22(37):21421-21427. doi: 10.1039/d0cp03221b.

Pre-electronic resonance enhancement can increase the sensitivity of non-linear Raman microscopy to the single molecule detection limit. A major problem, however, is the generation of background signal due to unwanted linear and non-linear photophysical processes. In this work, we...

Selective NIR chromophores: bis(pyrrolopyrrole) cyanines.

Angewandte Chemie (International ed. in English)

Fischer GM, Daltrozzo E, Zumbusch A.
PMID: 21290523
Angew Chem Int Ed Engl. 2011 Feb 07;50(6):1406-9. doi: 10.1002/anie.201004829. Epub 2011 Jan 05.

No abstract available.

Compact coherent anti-Stokes Raman scattering microscope based on a picosecond two-color Er:fiber laser system.

Optics letters

Krauss G, Hanke T, Sell A, Träutlein D, Leitenstorfer A, Selm R, Winterhalder M, Zumbusch A.
PMID: 19756125
Opt Lett. 2009 Sep 15;34(18):2847-9. doi: 10.1364/OL.34.002847.

We present a compact coherent anti-Stokes Raman scattering microscope based on a widely tunable picosecond Er:fiber laser. Intense and bandwidth-limited 1 ps pump pulses at a center wavelength of 775 nm are generated via frequency mixing within the broadband...

Showing 1 to 12 of 35 entries