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MORE SPECTROSCOPYSPECTROSCOPY WHITE PAPERS
Benefits of Client-Server Systems for Quality Control with Vis-NIR SpectroscopyAnalyzer systems monitoring product quality can offer substantial advantages when organized in a client-server network compared to the more traditional local installation. This white paper presents different client-server setups and their benefits. Security aspects that need to be considered are discussed based on the example of the client-server Vis-NIR (visible near-infrared) spectroscopy software Vision Air, widely used for quality control in the chemical, polymer, pharmaceutical, and...
Kinetics of Photocatalysis Reactions Studied by Transient Absorption SpectroscopyPhotocatalysis is the rate increase of a chemical reaction by light, often in the presence of a catalyst that starts the reaction upon irradiation. Photocatalysts are typically semiconducting metal oxides which are employed as particles in solution....
What is a Color Filter?Broadband filters are used to improve the contrast and performance of optical scanners with red, yellow, and amber led displays. Medium density three-slot filters and polarizers enhance the contrast of liquid crystal displays (LCDS) by reducing...
Study of Fluorescence Quenching Kinetics Using Stopped FlowIn this application note the kinetics of NATA quenching by QBS are determined using a Photoluminescence Spectrometer equipped with a stopped-flow accessory.
Highly Efficient Tunable Filter for Broadband Light SourceA new, simple and compact approach for tunable wavelength filtering is introduced with a device called Flexible Wavelength Selector. This new device combines the flexibility of a monochromator with the imaging functionality of a thin-film...
Learn about the Rhea Spectrometer SeriesAdmesy’s Rhea is a flexible platform in configurable spectral measurement demands within the range between 200 and 1100 nm. Various choices in slit size, gratings, and sensors allow you to build the perfect spectral measurement solution for your...
Measuring the Phosphorescence Spectrum of a TADF EmitterIn this application note the measurement of the low temperature phosphorescence spectrum of a TADF emitter using a gated PMT is demonstrated.
Cloud-Based, AI Deep Learning Enabled Handheld Raman for Mixture AnalysisCloudMinds XI™ is the world’s first cloud-based, AI deep learning enabled handheld Raman spectrometer. Being integrated with a smartphone, its operation is fully automated with an intuitive android app suitable even for novice users. XI™...
Make or Buy Your SpectrometerOne of the challenges instrument makers face today is an increasing need to bring new innovative products to the market faster and at a lower cost. Spectrometers are an essential component in analytical instruments for a broad range of applications,...
Lean Manufacturing of Polyurethane, Assisted by Near-Infrared (NIR) and Raman SpectroscopyChemical manufacturing such as polyurethane production is characterized by a cost intensive production process combined with a negative ecological impact. These adverse effects can be significantly improved by using vibrational spectroscopy. This...
Identifying Thermally Activated Delayed Fluorescence (TADF)OLEDs have become one of the most popular display types for high-end televisions and smartphones due to their superior contrast ratios and lower power consumptions than conventional LCD displays. A new generation of OLED utilising thermally...
A High-Quality Raman Microscope Can Be Recognized by These 5 CriteriaRaman spectroscopy long remained a technique that was only performed in special laboratories. In recent years, however, it has been increasingly losing its outsider status. The reason for this is the development of the confocal Raman microscope,...
High-Resolution Chemical Imaging with Tapping AFM-IRWhere the spatial resolution of conventional bulk IR spectroscopy is limited by diffraction to ~3-10 µm, atomic force microscopy (AFM) provides a nanoscale topographic map of a sample surface. However, AFM has been unable traditionally to chemically...
Electroluminescence and Photoluminescence Spectroscopy of a Phosphorescent Organic Light Emitting Diode (PhOLED)Investigation of emission properties of a PhOLED. The spectrum and chromaticity coordinates of the emission and the triplet lifetime are determined using time-resolved spectroscopy.
X-Ray ToroidsOptical fabrication techniques discussed to produce bent crystal analyzers that conform to toroidal surfaces for hard and soft x-ray applications including x-ray spectroscopy, ultrafast laser excited x-ray sources, imaging, and plasma diagnostics.
Next Generation Echelle Spectrometer for Optical Emission SpectroscopyThe SPECTRAL Industries IRIS echelle spectrometer features a combination of large bandwidth and high spectral resolution. It is ideal for Optical Emission Spectroscopy (OES), astronomy, and time-resolved fluorescence. Its gating below 100 ns is...
Timegated Raman Technology for MetallurgyTimegated Raman spectroscopy is suitable for online measurements for nitric and sulfuric acid quantification. It has many advantages compared to conventional acid quantification methods., for example, it is fast, only a minimal amount of sample...
X-Mode™ DBRs Enable Extended Tuning RangeThe Photodigm family of high-power edge-emitting Distributed Bragg Reflector (DBR) laser diodes is based on Photodigm’s proprietary single epi growth DBR laser architecture. The Photodigm DBR laser architecture consists of an electrically pumped...
Raman Spectroscopy in CrystallizationTwo trends in the regulatory landscape have created new scientific opportunities and financial motivations for using process analytical technologies (PAT) in small molecule and biopharmaceutical manufacturing. One critical quality attribute of a...
Photophysical Characterisation of Perovskite Quantum DotsPerovskite Quantum Dots are a promising new class of light emitters. In this paper a complete photophysical characterisation, comprising of absorption spectra, photoluminescence spectra, photoluminescence lifetime, and quantum yield of two...
A Smart Handheld Raman Spectrometer with Cloud Data Platform and AI Deep Learning AlgorithmCloudMinds's XI™ is the world’s first cloud AI based handheld Raman spectrometer with 785nm laser excitation. Being fully integrated with Cloudminds’s Data A1 smartphone, operation of XI™ is fully automated with an intuitive android app suitable for...
Time-resolved Fluorescence Spectroscopy and Microscopy in Materials ScienceStudying luminescence lifetime data is a very powerful analytical tool to gain insights into the excited state dynamics of molecules, nanoparticles, or semiconductors. Time-resolved methods such as Fluorescence Lifetime Imaging are commonly used in...
White Dwarf and Monaco: A Simple Turnkey Source of <10 fs PulsesThis white paper describes a simple source of ultrashort (<9 femtoseconds) laser pulses: an optical parametric chirped-pulse amplifier (OPCPA) incorporating a high repetition rate ytterbium fiber amplifier – the Coherent Monaco. The integrated...
Hyperspectral Imaging Cameras in Rapid Detection and Potential Diagnosis of Agricultural Crop ThreatsRemote monitoring of crops via satellites using color cameras was the earliest form of spectral imaging in agricultural management. Due to limited capabilities, only basic plant health parameters could be reported. The advent of hyperspectral...
The VisIR-765 “STED” - A Versatile Picosecond Pulsed Laser Module for Spectroscopy and MicroscopyStudying luminescence lifetime is a very powerful analytical tool, as it provides insights into the excited state dynamics of molecules, complexes, or semi-conductors. Pulsed laser modules with temporal pulse widths in the range of tens to a few...
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