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SPECTROSCOPY WHITE PAPERS
An Expert's Guide to CryostatsExplore the complex world of cryostats with our comprehensive guide. Discover the technology underlying these vacuum-insulated sample environments, which may achieve temperatures as low as 77 K or lower than 4 K by using mechanical coolers or liquid cryogens. Our guide helps readers understand the wide range of options available in optical cryostat systems by navigating the maze of cryostats. We explain the complexity, from forms and window combinations to the perfect conditions for particular...
Exploring Spectroscopy eBookStandard back-illuminated, deep-depletion (BI-DD) CCDs offer quantum efficiencies (QE) up to 95% in the near-infrared (NIR). This makes them the detector of choice for photoluminescence, Raman or plasmonic spectroscopy in the 700 - 1,100 nm range....
Fundamentals of SpectroscopyAtomic spectroscopy involves the interaction of atoms with light, while molecular spectroscopy involves the interaction of molecules with light. Atomic spectroscopy provides information about the atomic or elemental identity of a sample, while...
Spectroscopy in Focus eBookIn the field of modern scientific-grade CCD detectors the arrival of back-illuminated CCDs and Electron-Multiplying EMCCDs has offered key enabling technology for the growing range of applications where the photon signal available is extremely low....
Block Engineering's Tunable Mid-IR Quantum Cascade LasersBlock Engineering's widely tunable mid-infrared Quantum Cascade Lasers are designed for use by researchers and manufacturers. Our next generation design features a six-fold increase in laser power, orders of magnitude better thermal and temporal...
Recent Developments in Hyperspectral Imaging in Industrial ApplicationsIn the rapidly evolving world of industrial machine vision, hyperspectral imaging (HSI) has emerged as an invaluable tool, offering a wealth of information for various applications. This white paper explores the ins and outs of HSI, highlighting its...
Accuracy in Optical DesignAnswering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of accuracy in optical design.
Raman SpectroscopyTo achieve accurate and precise Raman measurements, optical filters play a crucial role in enhancing signal-to-noise ratio, and reducing background interference. This white paper explores the fundamentals of optical filters, their types, and their...
Principles of Lock-in DetectionExplore the world of lock-in amplifiers in this paper, vital for success in photonics labs. Grasp the details of detecting amplitude and phase amid widespread signal changes from pulsed lasers, acousto- and electro-optic modulators, optical...
Multiband Optical Filters Are Telecom Networks' MultitaskersThe ability to combine more than one spectral band into a single optical filter can enable flexibility of system design and reduce the number of components and the costs needed to achieve a desired functionality in fiber optic telecom components....
Polarization Metrology of Anisotropic MaterialsFull Mueller matrix measurements allow for elimination of ambiguity and a fuller understanding of polarization metrology. The Exicor 150XT system offers complete Mueller matrix measurement from 350 nm to 800 nm with automated sample translation and...
Spectroscopy Trends in the Automotive IndustryAs the automotive industry continues to push the boundaries of innovation, the need for advanced technologies becomes increasingly paramount. Spectroscopy has been a game-changer in various domains within the automotive sector. With its ability to...
“Fingerprint” vs Handheld Raman Applications and the Different Optical Filters That Enable ThemRaman spectroscopy is a powerful non-invasive, non-contact tool capable of identifying molecular constituents of samples. Wavelength selective optical filters are used to block the dominant Rayleigh scattered light and transmit only the Raman...
Choosing a Portable Raman SpectrometerA good portable Raman spectrometer bridges the gap in performance, capability, and size between handheld and benchtop Raman spectroscopy. It enables new point-of-use applications in medicine and industry by providing high sensitivity and dependable...
Plastics Identification Using ATR-FTIR SpectroscopyThe massive production of plastics has led to a throw-away culture rendering plastic pollution one of the biggest environmental issues. One solution to prevent plastic pollution is improving waste management systems and recycling. To facilitate...
ATR-FTIR of Blood Serum Using a Heated ATR AccessoryThis application note demonstrates the use of ATR-FTIR spectroscopy for the analysis of human serum albumin. An IR5 FTIR spectrometer was used, equipped with a heated ATR accessory, to help tackle the issue of strong water absorption bands masking...
CYGUS® from ZEISSCYGUS 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...
High-Resolution Raman & Photoluminescence Imaging of MoS2In this application note, the transition-metal dichalcogenide molybdenum disulfide (MoS2) is characterised using the RM5 Confocal Microscope with Raman and photoluminescence imaging to characterise its layer-dependent optoelectronic properties.
Multimodal Raman, Photoluminescence & SHG Imaging of CVD Grown WSe2In this application note, the transition-metal dichalcogenide tungsten diselenide (WSe2) is characterised using the RMS1000 Confocal Microscope with five imaging modalities: reflected brightfield and darkfield, Raman, photoluminescence and second...
Photoluminescence of Lanthanide-based Optical ProbesOptical probes based on lanthanide complexes are of particular interest in the biomedical field and life sciences due to their unique magnetic and photoluminescent properties. In this application note, an Edinburgh Instruments FS5 Spectrofluorometer...
Rapid Excitation Emission Matrix Analysis of Single Wall Carbon NanotubesSingle-wall carbon nanotubes (SWCNTs) have unique electrical, thermal, mechanical, and optical properties which make them attractive for a wide variety of applications; ranging from drug delivery to battery electrodes. In this application note the...
UV-Vis Spectroscopy for Characterising the Optical Properties of Gold NanoparticlesUV-Vis spectroscopy is routinely used in analytical science in part because it is a simple way of studying a sample’s optical properties over the UV and visible regions of the electromagnetic spectrum. Here, we used the DS5 UV-Vis Spectrophotometer...
Characterisation of SERRS Nanoparticles Using UV-Vis and Raman SpectroscopySurface-enhanced resonance Raman scattering (SERRS) is a technique that offers unparalleled sensitivity and specificity in spectroscopic detection and is promising for many applications in analytical research. In this new Application Note, we use...
Pesticide Detection on Apple Skin Using SERSProtecting food crops is vital to the world’s food chain, and pesticides are a critical tool to kill, repel, and control pests. One method to reduce the dangers of pesticides is limiting the allowed concentration used on crops. This is controlled by...
Whole Blood Analysis Using UV-Vis SpectroscopyPoint of care diagnostics have benefited from the marriage of spectroscopy and biofluidics, helping to address healthcare challenges from cancer screening to viral detection. The Ocean ST microspectrometer is an appealing option for POC applications...
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