Zobrazeno 1 - 10
of 13
pro vyhledávání: '"ocis:(120.5050) Phase measurement"'
Autor:
Harrison H. Barrett, Julia A. Sakamoto
Publikováno v:
Optics Express
A method for determining the pupil phase distribution of an optical system is demonstrated. Coefficients in a wavefront expansion were estimated using likelihood methods, where the data consisted of multiple irradiance patterns near focus. Proof-of-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4be14e3cc9e3f6fd3d40bb8effb099ed
http://europepmc.org/articles/PMC3601653
http://europepmc.org/articles/PMC3601653
Publikováno v:
Biomedical Optics Express
We apply wide-field interferometric microscopy techniques to acquire quantitative phase profiles of ventricular cardiomyocytes in vitro during their rapid contraction with high temporal and spatial resolution. The whole-cell phase profiles are analyz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57683870b871797bb38e0b5b3492748c
http://europepmc.org/articles/PMC3018002
http://europepmc.org/articles/PMC3018002
Publikováno v:
Biomedical Optics Express
Most of full-range techniques for Frequency Domain Optical Coherence Tomography (FD-OCT) reported to date utilize the phase relation between consecutive axial lines to reconstruct a complex interference signal and hence may exhibit degradation in eit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26ae0bfee8108dde567fbea949b41b46
http://europepmc.org/articles/PMC3018011
http://europepmc.org/articles/PMC3018011
Publikováno v:
Biomedical Optics Express
During vitreoretinal surgery, the surgeon manipulates retinal tissue with tool-to-tissue interaction forces below the human sensory threshold. A force sensor (FS) integrated with conventional surgical tools may significantly improve the surgery outco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bea29113ec2d8beb33f2ff15d2c60647
https://pubmed.ncbi.nlm.nih.gov/22567596
https://pubmed.ncbi.nlm.nih.gov/22567596
Autor:
A Z July Galeano, Patrick Sandoz, Maxime Jacquot, Emilie Gaiffe, Fabienne Hirchaud, Sophie Launay, Christiane Mougin, Jean-Luc Prétet, Laurent Robert
Publikováno v:
Biomedical optics express
Biomedical optics express, Optical Society of America-OSA Publishing, 2011, 2 (5), pp.1307-1318. ⟨10.1364/BOE.2.001307⟩
Biomedical optics express, Optical Society-SOA Publishing, 2011, 2 (5), pp.1307-1318. 〈10.1364/BOE.2.001307〉
Biomedical Optics Express
Biomedical optics express, Optical Society of America-OSA Publishing, 2011, 2 (5), pp.1307-1318. ⟨10.1364/BOE.2.001307⟩
Biomedical optics express, Optical Society-SOA Publishing, 2011, 2 (5), pp.1307-1318. 〈10.1364/BOE.2.001307〉
Biomedical Optics Express
International audience; Position-referenced microscopy (PRM) is based on smart sample holders that integrate a position reference pattern (PRP) in their depth, allowing the determination of the lateral coordinates with respect to the sample-holder it
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::508205e82de8a38bb1ea8ef2734e9bf4
https://hal.archives-ouvertes.fr/hal-00636312
https://hal.archives-ouvertes.fr/hal-00636312
Autor:
David D. Sampson, Brendan F. Kennedy, Xing Liang, Renu John, Stephen A. Boppart, Steven G. Adie
Publikováno v:
Optics Express
We present an optical technique to image the frequency-dependent complex mechanical response of a viscoelastic sample. Three-dimensional hyperspectral data, comprising two-dimensional B-mode images and a third dimension corresponding to vibration fre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49bf957978d528ebeec04618f37850d9
https://pubmed.ncbi.nlm.nih.gov/21164898
https://pubmed.ncbi.nlm.nih.gov/21164898
Autor:
Jeffrey W. Kiel, Thomas E. Milner, Austin McElroy, Roman V. Kuranov, Jinze Qiu, Arnold D. Estrada, Anthony Salvaggio, Timothy Q. Duong, Andrew K. Dunn
Publikováno v:
Biomedical Optics Express
Non-invasive depth-resolved measurement of hemoglobin oxygen saturation (SaO(2)) levels in discrete blood vessels may have implications for diagnosis and treatment of various pathologies. We introduce a novel Dual-Wavelength Photothermal (DWP) Optica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95aae72e27bb2fcebc8d4e4d28bd0f44
https://pubmed.ncbi.nlm.nih.gov/21412455
https://pubmed.ncbi.nlm.nih.gov/21412455
Autor:
Katherine Creath, Goldie Goldstein
Publikováno v:
Biomedical Optics Express
This paper describes research in developing a dynamic quantitative phase imaging microscope providing instantaneous measurements of dynamic motions within and among live cells without labels or contrast agents. It utilizes a pixelated phase mask enab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7a81392bcc3fdd76b38a1c0c6e5e3f5
https://doi.org/10.1364/boe.3.002866
https://doi.org/10.1364/boe.3.002866
Publikováno v:
Biomedical Optics Express
Quantitative phase spectroscopy is presented as a novel method of measuring the wavelength-dependent refractive index of microscopic volumes. Light from a broadband source is filtered to an ~5 nm bandwidth and rapidly tuned across the visible spectru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9310396b9068269d2a9ff164260562e7
https://doi.org/10.1364/boe.3.000958
https://doi.org/10.1364/boe.3.000958
Autor:
Roman V. Kuranov, Andrew K. Dunn, Jeffrey W. Kiel, S. M. Shams Kazmi, Thomas E. Milner, Austin McElroy, Timothy Q. Duong
Publikováno v:
Optics Express
Microvasculature hemoglobin oxygen saturation (SaO2) is important in the progression of various pathologies. Non-invasive depth-resolved measurement of SaO2 levels in tissue microvasculature has the potential to provide early biomarkers and a better
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::346f765fd763564a353ecfa4a007a9e3
https://doi.org/10.1364/oe.19.023831
https://doi.org/10.1364/oe.19.023831