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SPECTROSCOPY WHITE PAPERS
Gemstone Identification Using Raman MicroscopyRaman microscopy is an ideal method for analysing gemstones and other geological samples. Its non-destructive nature and lack of sample preparation make it particularly advantageous for analysing all gemstones with no concerns about damage of reducing their value. Additionally, the technique of Raman scattering is highly sensitive to crystalline structures and the presence of minor components within a sample. In this application note an RM5 Raman Microscope is used to identify several gemstones...
Identification of Microplastics Using Raman SpectroscopyThis application note will investigate 3 polymers, polyethylene (PE), polytetrafluoroethylene (PTFE), and nylon-6, using the Edinburgh Instruments RM5 Raman Microscope.
Confocal Raman and Photoluminescence Microscopy for Forensic InvestigationsForensic investigations often study extremely small samples which may need analyses by multiple techniques. Confocal Raman and Photoluminescence (PL) Microscopy are well-suited techniques for dealing with such samples. This application note details...
Energy Transfer in a Liquid Scintillator Investigated using Time-Resolved X-ray Excited Luminescence SpectroscopyLiquid scintillator detectors are widely utilised in neutrino and astroparticle detection experiments. One liquid scintillator that is increasingly being used in large scale detection experiments is linear alkylbenzene (LAB). LAB is an attractive...
Imaging Charge Extraction in VACNT Perovskite Solar Cells using Spectral and Lifetime Confocal Photoluminescence MappingIn this application note, the hole transfer into a VACNT based hole extraction layer is imaged using steady-state and time-resolved confocal PL microscopy with an Edinburgh Instruments RMS1000 Confocal Raman and PL Microscope.
Sb to Mn Energy Transfer Revealed using Time-Resolved Emission Spectroscopy (TRES)Heterometallic metal halide hybrids hold great promise due to the potential for synergistic photo-physical properties depending on the choice of the constituent metal centres. In this application note time-resolved emission spectroscopy (TRES) with...
Terahertz Molecular Lasers - Introduction & ApplicationsThe terahertz spectral region, which falls between the microwave and infrared ranges, is one of the most promising regions of the electromagnetic spectrum for research and industry but it is currently underutilised in these areas. One of the most...
Modular Spectrometer Delivers High Performance in Compact FootprintIn this application note, we share spectra that demonstrate performance characteristics of the Ocean SR2, a modular UV-Visible spectrometer. We evaluate the effectiveness of the Ocean SR2 for measuring absorbance of optical filters and demonstrate...
Improving the Future of Smart Agriculture with SpectroscopyClimate change and population expansion have a direct impact on agriculture. An increasing number of people need to be fed, but changing weather patterns can cause complete crops to fail. Inevitably, farms must produce more with less and frequently...
Specialty Fiber Preforms for Industrial ApplicationsEnabling new laser applications with fused silica fibers.
Relative Quantum Yield of 2-AminopyridineQuantum yield is a photophysical parameter describing a sample's fluorescence efficiency. It can be measured optically via the absolute method and relative method. 2-Aminopyridine in sulfuric acid has been previously used as a QY reference standard...
How the Neo Spectroradiometer Drastically Improves Filter QualityAdmesy develops spectroradiometers, colorimeters, and light meters. They are used in large volume 24/7 production testing as well as in smaller volume niche system manufacturing. One application example where the new Neo high-end spectroradiometer...
ZEISS CYGUS / Technical DataCYGUS from ZEISS is the latest evolution of high-performance, fiber-coupled spectrometer systems covering the 190 – 1100 nm spectral range. CYGUS spectrometers provide great versatility in CMOS detectors with configurations for exceptional...
From Hyperspectral Data to a Working End-user Application in the IndustryThis white paper covers the past challenges of using hyperspectral imaging in industrial, machine vision applications. Newer technology is not all created equally and this paper aims to guide the reader in important aspects of choosing a system,...
Novel Hyperspectral Cameras for Low Light ApplicationsThe white paper presents HERA, a novel hyperspectral camera, and a series of results obtained in different applications (agri-tech & food, plastic sorting, remote sensing, and microscopy). The HERA hyperspectral cameras, designed by NIREOS (Italy),...
Spectrofluorometer Add-on for Widefield Fluorescence MicroscopyFluorescence microscopy is an imaging technique that uses fluorescence, either by intrinsic emission or artificially added fluorophores, to provide contrast to microscope images. This technical note shows how fluorescence images along with emission...
A Comparison of Some of the Key Technologies and Characteristics in CCD and CMOS SensorsTo assist in choosing the right technology for an application, this paper covers: • Historical background • Architecture • Improvements • Binning • Fill factor • Full well depth and capacity • Dynamic range • Frontside and backside illumination •...
What Is the Modulation Transfer Function?This whitepaper describes Modulation Transfer Function (MTF) in depth. It covers MTF measurements compared with the ideal diffraction limit, how MTF can be used to compare objective lens performance and considerations for its application in optical...
Comparing Hole Extraction Efficiencies in Perovskite Solar Cells using PLQYEfficient extraction of charge carriers is vital for the creation of high-efficiency solar cells. Photoluminescence is proportional to the number of charge carriers in the perovskite and sensitive to charge transfer into adjacent layers. This makes...
Life Sciences Instrumentation - The Key to Health Care TransformationThe World Health Organization estimates that the number of people over age 60 will increase from 1 billion in the year 2019 to more than 2 billion in 2050, with life expectancy rising as well. Most of these people will live in heavily populated,...
An Advanced Laser Technology - Vertical-Cavity Surface-Emitting LaserVIGO’s VCSEL device has been developed to successfully demonstrate the capability to meet the increasing demand of our customers for disruptive epi-wafer technology.
Spectroscopy for Gas Analysis and SensingA variety of spectroscopic techniques are used in gas analysis and sensing – increasingly important fields – crucial in atmosphere monitoring, emission control, and industrial processes efficiency. They are implemented more and more often a mass...
High Absorbance Scanning with the PerkinElmer LAMBDA 850+ UV/Vis and LAMBDA 1050+ UV/Vis/NIR SpectrophotometersThis application note describes the procedure for high absorbance scanning with the reference grade PerkinElmer LAMBDA™ 850+ UV/Vis and LAMBDA 1050+ UV/Vis/NIR double monochromator spectrophotometers.
Spatiospectral Nanoimaging of Surface Phonon PlasmonsSurface plasmon polaritons (SPPs) in 2D materials enhance light-matter interaction and enable development of super lenses, subwavelength metamaterials, and other photonic devices. In-situ characterization of polaritonic excitations requires a...
Time-resolved Spectroscopy of Phosphorescent Oxygen Sensors in a Relevant in-vitro Environment for Biomedical ApplicationsApplication note describing how a Photoluminescence Spectrometer can be used to characterize solid sensors in a relevant environment of interest. It shows how candidate materials for optical in vivo oxygen sensing were evaluated in a relevant...
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