Glossary

Total Internal Reflection (TIR)

What is total reflection? Total internal reflection refers to the phenomenon where when light travels from a medium with a higher refractive index to a medium with a lower refractive...

Numerical Aperture (N.A)

What is Numerical Aperture Numerical Aperture, N,A  is a parameter that measures  the light receiving ability of an optical system , commonly used in: Microscope objective Optical fiber Lenses Put...

Refractive Index (n)

Discover the fundamentals of refractive index (n) and its critical role in optics and photonics. Learn how this optical property affects light behavior, material selection, and optical system design in...

Snell's Law

Master Snell's Law of refraction with our comprehensive guide. Learn the formula, understand how light bends at interfaces, and explore practical applications in optics, fiber communications, and optical system design.