• The thesis concludes with an investigation of the quantitative nature of Raman spectroscopy. (bl.uk)
  • Dr. Murugkar's proposed project uses Raman Micro-Spectroscopy (RMS) and imaging to differentiate between ovarian tumor cells that are inherently resistant or sensitive to chemotherapy. (edmundoptics.com)
  • We have recently shown that Raman micro-spectroscopy is a highly sensitive technique to discriminate between normal and malignant ovarian epithelial cells. (edmundoptics.com)
  • Specifically, we focus on the combination of Raman, infrared (IR), mid-IR, and near-infrared (NIR) spectroscopy and AI methods such as machine learning, deep learning, and chemometrics for PAT. (spectroscopyonline.com)
  • Femtosecond Raman time-resolved molecular spectroscopy. (mpg.de)
  • Specifically, optical evaluation such as observation by imaging, fluorescence, Raman measurement and spectroscopy are indispensable tools, and we offer a wide range of optical components for use in analytical systems. (agc.com)
  • Raman spectroscopy of trapped single aerosol particles has been reported previously. (mit.edu)
  • However, detection of single aerosol particles via Raman spectroscopy in a flowing system has not been yet reported. (mit.edu)
  • In this paper, we describe the first detection of single 3 um flowing airborne aerosol particles flowing through a Raman system, which is a simplified version of the previously reported system with a 532-nm, 10W cw double-pass laser, 532-nm isolator, and double-sided collection optics. (mit.edu)
  • In this paper, we describe the first detection of single 3 um flowing airborne aerosol particles flowing through a Raman system. (mit.edu)
  • Raman bIO-Optics are versatile immersion optics used in conjunction with the Rxn-10 probehead and compatible with standard bioreactor ports. (endress.com)
  • Available in industry standard lengths, Raman bIO-Optics are ideally suited for both glass and plastic benchtop bioreactor/fermenter applications requiring headplate entry. (endress.com)
  • Raman spectroscopy measures the composition and molecular structure of your samples from lab-to-process in real time. (endress.com)
  • Bruker Optics, part of Bruker Corporation is the leading manufacturer and worldwide supplier of FT Infrared, Near Infrared and Raman spectrometers as well as Mobile Gas Chromatographs/Mass, Ion Mobility spectrometers and Radiological Detection for various industries, institutions and applications. (envirotech-online.com)
  • My goal is to apply these innovative optical techniques, dubbed near-infrared spectroscopy and diffuse correlation spectroscopy, to pediatric populations that could greatly benefit from a non-invasive, continuous monitor of brain health. (gatech.edu)
  • Laser speckle contrast imaging and diffuse correlation spectroscopy/tomography for blood flow measurements. (iitb.ac.in)
  • Murali, K. and Hari M. Varma "Multi-speckle diffuse correlation spectroscopy to measure cerebral blood flow. (iitb.ac.in)
  • On the equivalence of speckle contrast-based and diffuse correlation spectroscopy methods in measuring in vivo blood flow. (iitb.ac.in)
  • Recovery of the diffuse correlation spectroscopy data-type from speckle contrast measurements: towards low-cost, deep-tissue blood flow measurements. (iitb.ac.in)
  • Diffuse Correlation Spectroscopy (DCS) is an increasingly popular non-invasive optical technique to clinically measure deep tissue blood flow, albeit at slow measurement rates of 0.5-1 Hz. (spie.org)
  • Our fluorescence product line includes steady-state spectrofluorometers, spectrometers for the determination of multiple decay times, time-resolved laser scanning confocal microscopes, a spectrometer for fluorescence correlation spectroscopy and a particle-tracking system for single molecule detection. (iss.com)
  • Flow cytometry and inherent optical property measurements of UK coastal waters were used to evaluate optical closure of different combinations of models for particle size, refractive index and shape. (strath.ac.uk)
  • The particle size and refractive index distributions were derived from flow cytometry measurements and subsequently simplified through averaging down to the simplest model consisting of a Junge size distribution with a single bulk refractive index. (strath.ac.uk)
  • The homogeneous spherical model gave relatively good results, which is expected because the inversion of size and refractive index distributions from flow cytometry is based on the homogeneous spherical model using forward and side scattering signals. (strath.ac.uk)
  • Flat Optics Flow Through Quartz Cuvettes are widely used in Hemocytometer, Flow Cytometry, Spectroscopy, Urine Analyzer and Cell Counter and other Life Science Instruments. (global-hitronics.com)
  • The compact 5W 532nm laser will allow the end user to provide integration solutions that were not possible before in areas of optical molecular imaging, flow cytometry, microscopy, DNA analysis and cell sorting and sequencing. (electrooptics.com)
  • Functional near-infrared spectroscopy (fNIRS) is an optical brain monitoring technique which uses near-infrared spectroscopy for the purpose of functional neuroimaging. (wikipedia.org)
  • PM-IRRAS measurement allows higher sensitivity by detecting small ΔI signals using a direct lock-in detection by adopting dual modulation spectroscopy of the FTIR interferometer and PEM. (jascoinc.com)
  • Bruker entered the field of FTIR spectroscopy in 1974. (envirotech-online.com)
  • ORLANDO, Fla., Aug. 11, 2010 - LightPath Technologies Inc. has introduced a family of four aspheric lenses designed for laser diodes operating at 405 or 488 nm and as the primary optics for collimating blue lasers in a variety of applications including biomedical instrumentation such as flow cytometers, microscopes and fluorescence spectroscopy equipment. (photonics.com)
  • Applied Physics B-Lasers and Optics 74 (Suppl. (mpg.de)
  • As for physics: my Ph.D. research involved spectroscopy, lasers, and optics. (stackexchange.com)
  • Chapter Six compares the analytical performance of a thermostabilised attenuated total reflectance flow cell with a water cooled mid-infrared fibre optic probe. (bl.uk)
  • Scientific Prospects for Interferometry and Adaptive Optics to Investigate Extra-solar Planetary Systems. (exoplanet.eu)
  • The approach combines two-photon polarization microscopy and gradient index optics. (edmundoptics.com)
  • Flow injection analysis with Fourier transform infrared detection is proposed as a potential on-line monitoring technique highlighting its ability for simultaneous multi-analyte determinations. (bl.uk)
  • The following chapter describes the development of an automated internally coupled valve flow injection manifold, with Fourier transform infrared detection, for the determination of sucrose in aqueous matrices. (bl.uk)
  • These technologies range from bedside optical methods for neuromonitoring of intensive-care patients to quantitative tomographic methods (MRI and PET) for mapping key parameters of brain health including cerebral blood flow and energy metabolism. (bepress.com)
  • His team has developed portable optical devices for monitoring cerebral blood flow and oxygen utilization in intensive care patients. (bepress.com)
  • Also it has been applied to cerebral blood flow monitoring of rats during middle cerebral artery occlusion surgery. (spie.org)
  • Second, we utilized pulsatile blood flow oscillations in cerebral arteries to estimate the critical closing pressure (CrCP), i.e., the arterial blood pressure at which CBF approaches zero. (spie.org)
  • Fourier transform infrared spectral analysis of the reaction using continuous flow analysis with real time Gram Schmidt data analysis is compared to the results acquired via an automated flow injection manifold. (bl.uk)
  • Instrument development opportunities include innovations in ultrafast, nonlinear optics and computation (we envision microsecond spectral acquisition, requiring data processing and analysis at Gb/s rates). (gatech.edu)
  • Acousto-optic (AO) modulation of light is used to extract both temporal and spectral information of diffusive media such as biological tissue, where they provide measures of blood flow and oxygen saturation of hemoglobin, respectively. (spie.org)
  • Dive into the cutting-edge world of absorption spectroscopy in our upcoming webinar, exploring groundbreaking techniques such as cavity ringdown spectroscopy, photoacoustic spectroscopy. (laserfocusworld.com)
  • Coherent Control for Spectroscopy and Manipulation of Biological Dynamics. (mpg.de)
  • One area of intense activity is the spectroscopy and coherent control of single quantum dots. (umich.edu)
  • High-resolution visible spectroscopy with McPherson 1-m-focal-length Model 2061 (or 1.33 m Model 209) facilitates remote and spatially distributed, fiber-optic coupled measurement of ion temperatures and plasma flow, even in hostile environments. (laserfocusworld.com)
  • High-resolution visible spectroscopy with McPherson one meter focal length Model 2061 (or 1.33m Model 209) facilitates remote and spatially distributed, fiber-optic coupled measurement of ion temperatures and plasma flow, even in hostile environments. (laserfocusworld.com)
  • This report outlines a Polarization-Modulation Infrared Reflection-Absorption Spectroscopy (PM-IRRAS) system, with examples of sample data from the measurement of thin films. (jascoinc.com)
  • Chemical species tomography (CST) has been deployed in a wide range of applications in the last two decades for multi-dimensional measurement of gaseous flow fields. (ed.ac.uk)
  • To date, various blood flow measurement systems have been presented. (spie.org)
  • It secures novel applications of the DSCA in in-vivo blood flow measurement. (spie.org)
  • Optical techniques such as diffuse reflectance spectroscopy (DRS) and laser Doppler flowmetry (LDF) are capable of estimating the oxygen saturation (SO2) and tracking the microvascular blood flow (perfusion) using a fiber optic probe. (avhandlingar.se)
  • Pump-deplete-probe spectroscopy and the puzzle of carotenoid dark states. (mpg.de)
  • This Insight reviews the fundamental physics and broad applications of optics in disordered and multimodal media. (nature.com)
  • Biomedical optics express 10, no. 10 (2019): 5395-5413. (iitb.ac.in)
  • Nanophotonics is concerned with two general problems: the interaction of light with sub-wavelength (nanoscale) particles, and the control of the flow of light on the nanoscale. (umich.edu)
  • To meet this requirement JASCO has developed a monitoring system for film generation in a vacuum chamber using Polarization- Modulation Infrared Reflection-Absorption Spectroscopy (PM-IRRAS) with greater sensitivity than ordinary IRRAS. (jascoinc.com)
  • The all-fusion-spliced optical train eliminates the traditional concern of keeping optics clean and cavity alignment sensitivity to temperature and mechanical vibrations. (electrooptics.com)
  • By coupling radio-frequency power into flowing argon, plasma is created, in which the predominant species are positive argon ions and electrons, and has a temperature of 6,000-8,000 °K. The sample passes through a region of the plasma and the thermal energy atomizes the sample and then ionizes the atoms. (cdc.gov)
  • Integrated and non-invasive nanosensors for measuring parameters like temperature, flow, or pressure, offer invaluable real-time feedback. (lu.se)
  • Dr. Masaki Hori, a scientist at the Max-Planck-Institute of Quantum Optics (MPQ) in Garching (Germany), has been selected by the European Research Council as one of the recipients of an ERC Starting Grant for the year 2012. (mpg.de)
  • In 2007 he won the European Young Investigators Award of the European Science Foundation which enabled him to establish his own research group "Antimatter Spectroscopy" at the Max-Planck-Institute of Quantum Optics. (mpg.de)
  • In addition, adaptive-optics assisted slit or integral-field spectroscopy can be used to resolve hot, young planets in wide orbits, providing inputs to planet formation models. (lu.se)
  • Central topic of the SPECAP (Precision laser spectroscopy of antiprotonic and pionic atoms) project is the high precision spectroscopy of antiprotonic and pionic atoms. (mpg.de)
  • The group is affiliated with the Laser Spectroscopy Division of Prof. Theodor W. Hänsch. (mpg.de)
  • Laser spectroscopy of antiprotonic atoms aims at investigating the symmetry between matter and antimatter. (mpg.de)
  • A couple of years ago, as part of an international collaboration, Hori succeeded in measuring the mass of the antiproton relative to the electron mass with a precision of 10 digits, by performing laser spectroscopy of antiprotonic helium atoms in which one of the two shell electrons was replaced by an antiproton. (mpg.de)
  • The other part of the SPECAP project - laser spectroscopy of pionic helium atoms - represents an even bigger challenge. (mpg.de)
  • This experiment will be the first one which attempts to study an atom which contains a so-called meson by laser spectroscopy. (mpg.de)
  • The hard coating and durability of these optics means that our ultra narrowband optical filters are ideal for laser cleanup as well as for laser line and laser excitation filters. (shanghai-optics.com)
  • A flow cytometer is a device that tests cells by arranging them in a row and using a laser beam to measure the scattered light and fluorescence. (agc.com)
  • The current system has single-pass laser, no 532-nm isolator, and single-sided collection optics. (mit.edu)
  • Multi chord spectroscopy benefits from McPherson accessories like multiple entrance slit adapters. (laserfocusworld.com)
  • But based on the experience with antiprotonic helium, I am confident that this can be overcome with a small group using clever quantum-optics and particle detector techniques", Masaki Hori claims. (mpg.de)
  • Quantum control of energy flow in light harvesting. (mpg.de)
  • This article highlights the use of optical molecular spectroscopy in combination with artificial intelligence (AI) methods in the framework of process analytical technology (PAT). (spectroscopyonline.com)
  • From the large variety of analytical methods, optical molecular spectroscopy is one of the most promising approaches, which can best be integrated in-situ within an in-line process control. (spectroscopyonline.com)
  • Biomedical optics express 11 (2020): 6699-6709. (iitb.ac.in)
  • M. Varma , C. P. Valdes, A. K. Kristoffersen, J. P. Culver, and T. Durduran, Speckle contrast optical tomography: A new method for deep tissue three-dimensional tomography of blood flow ," Biomedical Optics Express 5, 1275-1289 (2014). (iitb.ac.in)
  • P. Valdes, H. M. Varma , A. K. Kristoffersen, J. P. Culver, and T. Durduran, Speckle contrast optical spectroscopy for measuring blood flow in deep tissues," Biomedical Optics Express 5, 2769-2784 (2014). (iitb.ac.in)
  • Infrared spectroscopy is well known as one of the most useful evaluation methods for these types of thin films, providing information on molecular structure and orientation, along with optical thickness and electric properties. (jascoinc.com)
  • Infrared Reflection-Absorption Spectroscopy (IRRAS) is useful for molecular structure analysis of a very thin films on metal substrates with a thickness in the region of tens of angstroms. (jascoinc.com)
  • After leaving the DRC cell, the ions are focused with ion optics into a quadrupole mass analyzer with a nominal mass resolution of 0.7amu. (cdc.gov)
  • As a result, the system showed relative changes of the flow during the arterial perfusion periods. (spie.org)
  • The principles and instrumentation of flow injection analysis are presented with particular emphasis on multi-detemiinations and process applications. (bl.uk)
  • fiber optics bundles collect the optical signal that traversed through the scalp and the brain areas. (iss.com)
  • Recently we demonstrated multi-channel diffuse speckle contrast analysis (DSCA) to monitor in-vivo relative blood flow in deep tissues noninvasively. (spie.org)
  • Optics Letters 45.14 (2020): 3993-3996. (iitb.ac.in)
  • Renouvelé en 2020, le labex rassemble aujourd'hui des chercheurs et enseignants chercheurs dans 78 équipes de 21 unités de recherche sur le site de l'Université de Lyon. (universite-lyon.fr)
  • The early instruments set new standards in research with evacuable optics, high resolution and automatic range change. (envirotech-online.com)
  • We derive an index of autoregulation by measuring the rates of decrease (and recovery) of blood flow and blood pressure following a sudden, induced change in systemic blood pressure (e.g., bilateral thigh cuff deflation). (spie.org)
  • In celebration of Spectroscopy's 35th Anniversary, leading experts discuss important issues and challenges in analytical spectroscopy. (spectroscopyonline.com)
  • The combination of these molecular spectroscopy methods in combination with tailor-made AI data analysis methods has the potential to revolutionize PAT in the upcoming years. (spectroscopyonline.com)
  • Microfluidic devices are also sometimes referred to as μTAS (micro total analysis systems), lab-on-a-chip, or flow cells, but are generally referred to as microfluidic devices. (agc.com)
  • Disorder and mode interactions are often treated as sources of noise, but can shape the flow of light in interesting and useful ways. (nature.com)
  • In principle, PM-IRRAS can greatly reduce the noise contribution from H 2 O and CO 2, but vacuum optics can enhance the sensitivity still farther. (jascoinc.com)
  • Our engineering team has extensive experience in designing complex optical systems for a wide variety of applications, and we have been a trusted source of custom optics for more than fifty years. (shanghai-optics.com)
  • Today, Bruker Optics offers complete solutions for various markets which cover a broad range of applications in all fields of R&D as well as industrial production processes for the purpose of ensuring quality and process reliability. (envirotech-online.com)
  • Here, we showcase the utility and potential of high-speed measurements of blood flow (and arterial blood pressure) in a few clinical applications. (spie.org)
  • Le but du Labex iMUST est de stimuler une recherche pluridisciplinaire pour analyser et comprendre les problèmes complexes et multi-échelle en sciences des matériaux et des technologies écologiquement viables. (universite-lyon.fr)
  • Bruker Optics has R&D and manufacturing centers in Ettlingen and Leipzig, Germany, technical support centers and sales offices throughout Europe, North and South America, Asia, India, Middle East and Africa. (envirotech-online.com)
  • The blood flow and oxygen delivery in the microcirculatory blood vessels are regulated through mechanisms which may be influenced or impaired by disease or brain damage resulting from conditions such as brain tumors, traumatic brain injury or subarachnoid hemorrhage (SAH). (avhandlingar.se)
  • We recently reported the development of a new 'fast' DCS instrument that continuously measures blood flow at 50-100 Hz (simultaneously from 8 channels), using conventional DCS sources/detectors, and optimized software computations. (spie.org)
  • A particularly interesting result was our ability to optically record pulsatile micro-vascular blood flow waveforms, and therein readily identify high frequency features such as the dicrotic notch. (spie.org)
  • The TOCA unit oxidizes organic carbon species present in the water to carbon dioxide gas and measures the concentration using nondispersive infrared spectroscopy. (nasa.gov)
  • Single-beam CARS spectroscopy applied to low-wavenumber vibrational modes. (mpg.de)
  • Recently, microfluidic devices are used to control the flow of cells inside a single-chip channel, allowing them to be arranged in a row, analyzed, and separated. (agc.com)
  • In recent years, software developments have enabled highly accurate prediction of complex channel structures, flow, diffusion and capillary action. (agc.com)