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Creating a Python Project – Installing the AvaSoft Library

Posted on: June 29th, 2020

This post is the first in a series on “Creating a Python Project for Spectroscopy” In this tutorial, I want to show you how to set up an Avantes spectrometer outside of AvaSoft. This is useful for incorporating spectroscopy into an existing imaging project (e.g., a microscope), or to synchronize with other equipment (e.g., a…

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Introduction to Transient Absorption Spectroscopy

Posted on: June 29th, 2020

When a molecule absorbs a photon, it imparts energy to the molecule causing it to temporarily excite from the ground state to a higher electronic or vibrational energy level. Due to conservation of energy, absorption can only take place when the photon energy is precisely equal to the difference between the ground and excited states…

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Python Project Development for Spectroscopy (part 1)- Technote

Posted on: May 27th, 2020

This post is part of a series on “Creating a Python Spectroscopy Project” Developing a customized Python project application to integrate with Avantes Spectrometers is easier than you might expect. Join Justin Spott, regional sales engineer, with a new series of “tech notes” that explores this topic in greater detail. Part 1: Installing the AvaSpec…

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NIR Reflection of Plastic for Recycling Applications

Posted on: May 27th, 2020

The importance of NIR reflection spectra has proven to be a reliable method of identifying unique characteristics and properties of various materials, including types of plastics. Different types of plastics may look similar to one another at an initial glance with the naked eye, but evaluating the NIR reflection properties of plastics can reveal just…

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Additive Manufacturing Applications for OES

Posted on: May 26th, 2020

Additive manufacturing, or 3D printing as it is more commonly known, has revolutionized the modern production and design process. Initially developed in 1988 for rapid prototyping, additive manufacturing allows users the ability to produce 3-dimensional physical objects directly from a computer file via layer-by-layer deposition. 3D printing is in stark contrast to traditional subtractive machining, such…

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UV Radiometers- Ultraviolet Measurement Systems

Posted on: May 12th, 2020

UV Radiometers provide the quantitative measurement of light sources emitting electromagnetic radiation in the wavelengths from 100-400 nm.  The ultraviolet wavelength range can be subdivided into three distinct spectral bands, A, B and C.  The ultraviolet A covers the range from 315-400 nm, the ultraviolet B range from 280-315 nm and the Ultraviolet C from…

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Fluorescence Measurements with the AvaFluorimeter

Posted on: April 30th, 2020

A benchtop fluorimeter system provides for the ability to scan across wavelengths of excitation in order to find optimal excitation and emission combinations for fluorescent samples.  A common limitation of fiber optic spectroscopy systems is that they typically only allow for isolating excitation wavelengths one at a time using bandpass or other optical filters.  Fluorescence…

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Differential Optical Absorption Spectroscopy

Posted on: April 28th, 2020

Since the 1950s, it has been widely known that coal-burning power plants emit dangerous levels of particulate and gaseous pollutants into the atmosphere, including ash, soot, SO­2, NO2, and NO. Over the ensuing 70-years, there has been much progress on reducing emissions to ensure cleaner air, particularly in the United States and Europe. For example, the…

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Absorption and Reflection Spectra of Lichen

Posted on: April 27th, 2020

Conducted by: David Ademe, Avantes Inc. Theme: Absorption/Reflection of Lichen Background/Applications: Absorption and reflection spectra can reveal the unique properties of many different types of materials and samples. This includes biological samples and plant life. This can range from leaf’s, flower petals, grass and lichen. The optical properties of lichens have been traditionally explored in…

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Avantes Raspbian DLL Interface

Posted on: April 27th, 2020

Increasingly spectrometers are being deployed into field applications ranging from Raman & LIBS to radiometry and fluorescence.  The applications are only limited by ones imagination because the hardware options to support a multitude of spectroscopy applications are available and affordable. Avantes Compactline of spectrometers is ideally suited to field application.  At around size of a…

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