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How do lasers work? This blog spends much time discussing the use and the applications of lasers, but how do they work? Lasers emit a coherent light beam from a cavity. The term “laser” is actually an ...

Introduction A single human hair is approximately 80,000-100,000 nanometers wide. Now, imagine a distance that measures several hundred times smaller than a human hair. Such small distances are often ...

Introduction to Elemental Analysis All matter on Earth is composed of an assortment of 118 elements. The possible combinations are endless, with varying quantities of molecules and components in a ...

Introduction: Acousto-Optic Modulator Optical setups require extreme precision, and researchers must often implement modulators to adjust the frequency, amplitude, wavelength, and direction of their laser ...

What is Hyperspectral Imaging? Imagine an iPhone app that could help you choose the best produce, the ripest fruit, or determine if the vegetables you are about to buy are truly organic. Well, it turns out ...

Introduction to Raman Microscopy Raman microscopy is a laser-based spectroscopic technique used to observe molecular vibrations. It is frequently utilized in chemistry to provide a “fingerprint” ...

Introduction to Electro-Optic Modulators (EOM) As discussed in last week’s article, optics research requires precisely controlling the responsive and unwieldy entity of light. Advancements in electro-optic ...

Adaptive Optics Introduction The field of optics studies the behavior of light – a form of substance with a characteristic wavelengths ranging from about 400 to 700 nanometers for visible light to as ...

Introduction to Human Breath Analysis Linus Pauling discovered modern human breath analysis in 1971 when he demonstrated that human breath has more than 200 different volatile organic compounds, proving ...

Introduction to Photodynamic Therapy in Skin Treatment This blog has previously discussed laser use in cosmetic skin treatments including skin resurfacing and tattoo removal. This week, however, we ...