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Lesson 2 – How to Describe Light

Posted on: Monday, January 10th, 2022  In: Learning Optics with Austin

Light that the human eye can see is just a small sliver of the electromagnetic spectrum. We use wavelength (λ), measured in nanometers (nm) or micrometers (1 μm = 1000 nm), to distinguish and describe the types of light. Visible light lies in the range of 380 nm to 780 nm with ultraviolet light being […]

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Lesson 1 – What is Light?

Posted on: Monday, January 3rd, 2022  In: Learning Optics with Austin

Optics is the study of light. The root of the word “opt” relates to the eye and vision, while the suffix “ics” refers to a science or discipline. [1] With that enLIGHTenment, a discussion about optics is often a discussion about light, its behaviors, and its properties. One common starting point is to ask “What […]

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