Zobrazeno 1 - 10
of 60
pro vyhledávání: '"ocis:(170.3890) Medical optics instrumentation"'
Publikováno v:
Biomedical Optics Express
We present a multi-channel, multi-distance broadband near-infrared spectroscopy (NIRS) system with the capability of measuring changes in haemoglobin concentrations (Δ[HbO2], Δ[HHb]), oxidation state of cytochrome-c-oxidase (Δ[oxCCO]) and tissue o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::36a3e78b7281dbc250429e21aa2e778e
http://europepmc.org/articles/PMC5119585
http://europepmc.org/articles/PMC5119585
Autor:
Michael Niederleithner, Franz Felberer, Matthias Salas, Marie Laslandes, Michael Minneman, Jason Ensher, Andreas Wartak, Wolfgang Drexler, Rainer A. Leitgeb, Xavier Levecq, Ursula Schmidt-Erfurth, Michael Pircher, Marco Augustin, Laurin Ginner
Publikováno v:
Biomedical Optics Express
Imaging of the human retina with high resolution is an essential step towards improved diagnosis and treatment control. In this paper, we introduce a compact, clinically user-friendly instrument based on swept source optical coherence tomography (SS-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffac8462e4aad800df8a004059388296
https://pubmed.ncbi.nlm.nih.gov/29675326
https://pubmed.ncbi.nlm.nih.gov/29675326
Publikováno v:
Biomedical Optics Express
Near-infrared (NIR) fluorescence imaging systems have been developed for image guided surgery in recent years. However, current systems are typically bulky and work only when surgical light in the operating room (OR) is off. We propose a single camer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::486af0eb3a04e1861baa121623202004
http://europepmc.org/articles/PMC4133006
http://europepmc.org/articles/PMC4133006
Publikováno v:
Biomedical Optics Express
A handheld Smart Micromanipulation Aided Robotic-surgery Tool (SMART) micro-forceps guided by a fiber-optic common-path optical coherence tomography (CP-OCT) sensor is presented. A fiber-optic CP-OCT distance and motion sensor is integrated into the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0807957e3d913151b22e5e0abf958f2
http://europepmc.org/articles/PMC3704086
http://europepmc.org/articles/PMC3704086
Autor:
Xavier Levecq, Julia Hafner, Michael Pircher, Ursula Schmidt-Erfurth, Matthias Salas, Sonja Prager, Barbara Lamory, Markus Ritter, Wolfgang Drexler
Publikováno v:
Biomedical Optics Express
We present a new compact multi-modal imaging prototype that combines an adaptive optics (AO) fundus camera with AO-optical coherence tomography (OCT) in a single instrument. The prototype allows acquiring AO fundus images with a field of view of 4°x
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5028be1dd69410597999546c59c7d2f6
https://pubmed.ncbi.nlm.nih.gov/27231621
https://pubmed.ncbi.nlm.nih.gov/27231621
Publikováno v:
Biomedical Optics Express
This paper presents optical characterization of a first-generation SiO(2) optrode array as a set of penetrating waveguides for both optogenetic and infrared (IR) neural stimulation. Fused silica and quartz discs of 3-mm thickness and 50-mm diameter w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::228f8c00f2d22369cfc96f9d7e2de153
http://europepmc.org/articles/PMC3521295
http://europepmc.org/articles/PMC3521295
Autor:
Adrian Gh. Podoleanu, Paul J. Tadrous, Adrian Bradu, Jingyin Pang, Grigory V. Gelikonov, Valentin M. Gelikonov, Taran Tatla, George Dobre, Ramona Cernat
Publikováno v:
Biomedical Optics Express
A dual instrument is assembled to investigate the usefulness of optical coherence tomography (OCT) imaging in an ear, nose and throat (ENT) department. Instrument 1 is dedicated to in vivo laryngeal investigation, based on an endoscope probe head ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b43349c5fc09baf9c7c38824d1aad732
http://europepmc.org/articles/PMC3521301
http://europepmc.org/articles/PMC3521301
Publikováno v:
Optics Express
Liu, Gangjun; Jia, Wangcun; Sun, Victor; Choi, Bernard; & Chen, Zhongping. (2012). High-resolution imaging of microvasculature in human skin in-vivo with optical coherence tomography. Optics Express, 20(7), 7694-7705. UC Irvine: Institute for Clinical and Translational Science. Retrieved from: http://www.escholarship.org/uc/item/8sf493q9
Liu, Gangjun; Jia, Wangcun; Sun, Victor; Choi, Bernard; & Chen, Zhongping. (2012). High-resolution imaging of microvasculature in human skin in-vivo with optical coherence tomography. Optics Express, 20(7), 7694-7705. UC Irvine: Institute for Clinical and Translational Science. Retrieved from: http://www.escholarship.org/uc/item/8sf493q9
In this paper, the features of the intensity-based Doppler variance (IBDV) method were analyzed systemically with a flow phantom. The effects of beam scanning density, flow rate and the time interval between neighboring A-lines on the performance of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35320d68381ead431cd66479f2f08412
http://europepmc.org/articles/PMC3368711
http://europepmc.org/articles/PMC3368711
Publikováno v:
Biomedical Optics Express
Adaptive optics, when integrated into retinal imaging systems, compensates for rapidly changing ocular aberrations in real time and results in improved high resolution images that reveal the photoreceptor mosaic. Imaging the retina at high resolution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaa4cd2af624ab329cd27e6dd0d98834
http://europepmc.org/articles/PMC3269841
http://europepmc.org/articles/PMC3269841
Autor:
Guang-Zhong Yang, Neil T. Clancy, Lena Maier-Hein, Anja Groch, Danail Stoyanov, Daniel S. Elson
Publikováno v:
Biomedical Optics Express
Three dimensional quantification of organ shape and structure during minimally invasive surgery (MIS) could enhance precision by allowing the registration of multi-modal or pre-operative image data (US/MRI/CT) with the live optical image. Structured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e411080bb8713cc39dcf403f8ed66c9
http://europepmc.org/articles/PMC3207380
http://europepmc.org/articles/PMC3207380