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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 biological studies, but these methods are also relevant for material science. This white paper provides an introduction to using these methods for the characterization of key parameters like charge carrier dynamics and mobility in semiconductors.
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...
Embedded Motion Modules Make Great Products SmallerEmbedded motion modules are a new option for product design teams. Combining mechanical and electrical functions in one optimized, easy-to-integrate device, they speed the design process and ensure smallest system size. Electrical connections are DC...
How to Design a Detector Noise Limited Instrument with PbSe DetectorsPyrometers, NDIR gas analyzers, and flame monitoring systems, often make use of MWIR photoconductive PbSe detectors. Particularly, when high sensitivity and quick response time at an affordable cost are required. In order to achieve the optimal...
Charge Carrier Recombination Dynamics of Semiconductor PhotocatalystPhotocatalysis, the induction of chemical changes by absorption of light, is crucial for many environmental studies and sought for water splitting and hydrogen production1,2, removal of pollutants3,4, as well as artificial photosynthesis5. With this...
Selecting The Right Hyperspectral Imager Is Key To Bringing Critical Data Into ViewHyperspectral imaging is a valuable technique for revealing data the eye alone cannot capture. Revealing different characteristics from an image, hyperspectral imaging is highly prized for many applications, from gathering forensic evidence and...
Gas Purging Keeps UV Spectrophotometers HealthyMeasuring in the far-UV (FUV) 120-220 nm presents unique challenges. The high energy that makes UV light interesting can cause photochemical formation of organic films on optical surfaces. These films cause increasing, wavelength-dependent loss of...
The VisIR-765 “STED” - Versatile Picosecond Pulsed Laser Module for Spectroscopy and MicroscopyStudying luminescence lifetime data is a very powerful analytical tool for spectroscopists and microscopists alike, as it provides insights into the excited state dynamics of luminescent species. The luminescence lifetime is an intrinsic...
Application Note: Kinetics of Persistent Luminescence PhosphorsPersistent luminescence, or commonly called afterglow, is characterized by long-lasting visible emission over several hours after ultraviolet excitation. This finds wide application in glow-in-the-dark signage and in-vivo imaging for disease...
Application Note: Ocean FX High Speed Applications in Home LightingUnbeknownst to us, most of the light sources we use for general home illumination have some “flicker” associated with them, due primarily to the AC nature of the current provided for power. While this occurs at rates faster than the typical human...
Space-Certified DBR™ Lasers for Mission Critical ApplicationsLaser diodes have been used for many years in space applications. Their main use has been as pumps for solid-state lasers, and qualification methodologies have been developed for these applications. In recent years, however, increasingly complex...
Analysis of Small Samples Using the LUMOS Stand-alone FTIR MicroscopeFourier Transform Infrared (FTIR) microscopy is a well-established method for the analysis of samples that are too small or complex to be measured in a standard infrared spectrometer. The new LUMOS Stand-alone FTIR microscope offers a fully...
Quantitative Laser Raman Spectroscopy of GasesLaser Raman spectroscopy is a powerful analytical technique that is used in a variety of applications for the compositional analysis of solid, liquid and gaseous samples. This whitepaper looks at some examples of how Raman systems can be used to...
Particle Analysis by Raman MicroscopyThere are many occasions where analyzing unknown particles can be important. Examples include illicit drug analysis, particulate adhesions occurring in a recycling process, electronics manufacturing, particles in liquid biomedical products, and many...
Working with your benchtop spectrometer at high and low sample cuvette temperaturesSpectroscopy labs are home to spectrometers of varying types: UV-Vis-NIR absorbance, fluorescence, and circular dichroism, for example, all sitting on benches at room temperature. When a scientist wants to measure spectral properties of a sample at...
The FISBA RGBeam™ - Three Co-aligned Diode Laser Sources in One Convenient PackageThe FISBA RGBeam answers an industry need for a compact and customizable laser module. It’s small size and efficient coupling make it an excellent light source for use across many disciplines, including life sciences, industrial metrology and...
Combining the MicroTime 200 with the Bruker BioScope Catalyst AFM for Multiparameter Cell ImagingCombining atomic force microscopy (AFM) with single-molecule-sensitive fluorescence microscopy grants fascinating insights into the structure and interactions in cells. The AFM part reveals structural information of macromolecular complexes, while...
Precision Infrared Narrow Bandpass and Dual Bandpass Filters Featuring Low OH-Band AbsorptionAlluxa’s new class of Infrared (IR) bandpass and dual band filters bring the precision of dielectric filters to the IR between 2 and 5 microns. They are manufactured with an advanced, plasma enhanced PVD process using durable, hard metal-oxide, and...
LED/OLED Design Using Mixed-Level SimulationThere has been extensive research to improve the design of light-emitting diodes (LEDs) and organic LEDs (OLEDs) to enhance light extraction efficiency, improve beam shaping, and allow color tuning. Due to the range and scales of geometric...
Emission Spectroscopy at High Speeds: Essentials and ApplicationsHigh speed Spectrophotometers have recently become available for the study of high speed events. In some cases, these events occur within a fraction of a second. To fully characterize these events, the full spectra has to be obtained in less than a...
Hyperspectral Imaging Ground SurveyingAn ultra-compact, easily deployable, high-performance hyperspectral imager is deployed specifically for use on small unmanned aerial vehicles (UAVs), to monitor the details of spatial, temporal, and spectral representation of ground objects.
Ultra-Narrowband Optical Bandpass Filters with Large Format and Improved Temperature StabilityHard coated ultra-narrowband optical filters made using modern plasma processes offer much improved transmission, temperature stability and out of band blocking as compared to legacy soft coatings. These filters are used in optical systems as...
Absorption / Transmission / Reflection SpectroscopyUltraviolet Visible Near-Infrared (UV-Vis-NIR) spectroscopy is useful to characterize the absorption, transmission, and reflectivity of a variety of technologically important materials, such as pigments, coatings, windows, and filters. This more...
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