Abstract

We present spatial light interference microscopy (SLIM) as a new optical microscopy technique, capable of measuring nanoscale structures and dynamics in live cells via interferometry. SLIM combines two classic ideas in light imaging: Zernike's phase contrast microscopy, which renders high contrast intensity images of transparent specimens, and Gabor's holography, where the phase information from the object is recorded. Thus, SLIM reveals the intrinsic contrast of cell structures and, in addition, renders quantitative optical path-length maps across the sample. The resulting topographic accuracy is comparable to that of atomic force microscopy, while the acquisition speed is 1,000 times higher. We illustrate the novel insight into cell dynamics via SLIM by experiments on primary cell cultures from the rat brain. SLIM is implemented as an add-on module to an existing phase contrast microscope, which may prove instrumental in impacting the light microscopy field at a large scale.

Original languageEnglish (US)
Pages (from-to)1016-1026
Number of pages11
JournalOptics Express
Volume19
Issue number2
DOIs
StatePublished - Jan 17 2011

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microscopy
interference
phase contrast
cells
optical paths
holography
rats
brain
acquisition
interferometry
modules
microscopes
atomic force microscopy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Wang, Z., Millet, L., Mir, M., Ding, H., Unarunotai, S., Rogers, J. A., ... Popescu, G. (2011). Spatial light interference microscopy (SLIM). Optics Express, 19(2), 1016-1026. https://doi.org/10.1364/OE.19.001016

Spatial light interference microscopy (SLIM). / Wang, Zhuo; Millet, Larry; Mir, Mustafa; Ding, Huafeng; Unarunotai, Sakulsuk; Rogers, John A; Gillette, Martha L; Popescu, Gabriel.

In: Optics Express, Vol. 19, No. 2, 17.01.2011, p. 1016-1026.

Research output: Contribution to journalArticle

Wang, Z, Millet, L, Mir, M, Ding, H, Unarunotai, S, Rogers, JA, Gillette, ML & Popescu, G 2011, 'Spatial light interference microscopy (SLIM)', Optics Express, vol. 19, no. 2, pp. 1016-1026. https://doi.org/10.1364/OE.19.001016
Wang Z, Millet L, Mir M, Ding H, Unarunotai S, Rogers JA et al. Spatial light interference microscopy (SLIM). Optics Express. 2011 Jan 17;19(2):1016-1026. https://doi.org/10.1364/OE.19.001016
Wang, Zhuo ; Millet, Larry ; Mir, Mustafa ; Ding, Huafeng ; Unarunotai, Sakulsuk ; Rogers, John A ; Gillette, Martha L ; Popescu, Gabriel. / Spatial light interference microscopy (SLIM). In: Optics Express. 2011 ; Vol. 19, No. 2. pp. 1016-1026.
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