What is absorbance?

Jul 14, 2021 | Glossary of Spectroscopy Terms, Spectroscopy

Absorbance is related to the number of photons a sample absorbs. When an atom or molecule absorbs a single photon, an electron makes a transition to a higher orbital energy. As the number of atoms or molecules increases more photons can be absorbed. The number of...

What are accessories?

Jul 7, 2021 | Glossary of Spectroscopy Terms, StellarNet Definition

Due to the modular nature of our instrumentation, one spectrometer can potentially be used for many applications. All StellarNet spectrometers are designed to work with different light-collecting accessories. These accessories set up proper geometry for each...

What is a digitizer?

Jul 7, 2021 | Electronics, Glossary of Spectroscopy Terms, Spectrograph

What is a digitizer? A digitizer, also known as an analog-to-digital converter (ADC), converts the analog signal generated by a spectrometer’s detector into digital data that can be processed and analyzed by a computer. The digitizer’s resolution is...