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Industry Application Notes

Application Note: Characterization and Identification of Garnet

Posted on: April 28th, 2022

Spectroscopy Methods for the Gemology Industry Spectroscopy has been long used in the gemology industry for characterization and identification, with nearly every known spectroscopic method playing a critical role. Transmission provides insight into gemstone clarity, reflectance provides colorimetric data, fluorescence & absorption are excellent at detecting bulk defects, and Raman & laser-induced breakdown spectroscopy (LIBS)…

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Spectral Analysis of Rocks Using LIBS Spectroscopy

Posted on: April 28th, 2022

Spectra of the Month (April, 2022) Conducted by: David Ademe (Applications Engineer), Avantes Inc. Theme: LIBS Background/Applications: Laser-Induced Breakdown Spectroscopy (LIBS) is a type of atomic emission spectroscopy which uses a highly energetic laser pulse as the excitation source. The laser is focused to form a plasma, which atomizes and excites samples. The formation of…

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Does Your Sunscreen Go Bad?

Posted on: March 30th, 2022

Spectra of the Month (March 2022) Conducted by: David Ademe (Applications Engineer), Avantes Inc. Theme: Transmission Background/Applications: Transmission spectra can be used in a wide range of measurements and data collection to reveal unique and unknown properties of materials. It is crucial to understand how materials that we interact with behave when exposed to photons…

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Spectroscopic Techniques for Protein Analysis

Posted on: March 22nd, 2022

Quick and accurate quantification of protein content is critical for modern biology, biochemistry, and biophysics labs worldwide. Not only are researchers interested in detecting the total protein content, but they are also interested in protein classification/identification and proteomics. Although researchers have many tools at their disposal for understanding the complexities of protein, the cornerstone of…

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eBook: Spectroscopy in the Biomedical Industry

Posted on: March 10th, 2022

Medical and biomedical researchers, as well as Original Equipment Manufacturers (OEM), frequently utilize spectroscopy techniques for clinical and research processes. Ultraviolet, visible, and near-infrared wavelength ranges are measured for a variety of medical and biomedical applications. Fiber-optic-based spectrometers offer great value to the industry due to their ability to facilitate in-situ (in vivo) measurements within…

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eBook: Spectroscopy Methods for Chemistry Applications

Posted on: February 23rd, 2022

Chemical applications for spectroscopy are innumerable and increasing every day.  Chemical reactions are dynamic processes that present unique challenges ranging from temperature fluctuations to corrosive and caustic attributes which require robust analytical techniques and tools. Monitoring of chemical reactions in the food/beverage, petroleum, semiconductor, and the chemical industry itself provides a valuable tool for quality…

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Where There’s a Wine, There is a Way!

Posted on: February 22nd, 2022

Theme: Fluorescence Conducted by: David Ademe (Applications Engineer), Avantes Inc. Background/Applications: Fluorescence spectroscopy is a method where a single wavelength/band of light is used to excite a sample that emits a different wavelength of light as a result. Fluorescence has many uses, from medical studies, biological applications, chemistry experiments and sample classification. For example, the type…

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Real or Silicon Tissue – a Spectrometer can tell you!

Posted on: January 18th, 2022

Conducted by: David Ademe (Applications Engineer), Avantes Inc. Theme: Biomedical, Reflection/Transmission Background/Applications: Often times in medical applications, surrogate samples (also known as tissue phantoms) are used to simulate human tissue. Optical tissue phantoms are synthetic models mimicking not only human tissue properties but also light propagation and interactions through it. They are reported to be…

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Spectroscopy Techniques for Parylene Coating Applications

Posted on: January 12th, 2022

Poly (para-xylylene), more commonly known as parylene, is a highly versatile family of polymers used in many conformal coating applications. At present, there are a wide range of parylene variants available on the market – types N, C, D, F(VT-4), and F(AF-4) – each with their own unique thermal, dielectric, and mechanical properties. Despite all…

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Irradiance and field measurements

Posted on: November 22nd, 2021

Conducted by: David Ademe (Applications Engineer), Avantes Inc. Background/Applications: Spectral irradiance is the energy of a surface per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength. The two forms have different dimensions: spectral irradiance of a frequency spectrum is measured in watts per square…

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