Articles

What should be the value of numerical aperture?

Numerical Aperture: An OverviewThe Numerical Aperture (NA) is a critical parameter in optical engineering, defining the ability of an optical system to gather light and resolve fine specimen detail at...

Can numerical aperture be less than 1?

Can Numerical Aperture Be Less Than 1?Yes, the numerical aperture (NA) of an optical system can indeed be less than 1. The numerical aperture is a dimensionless number that characterizes...

What does high numerical aperture mean?

Understanding High Numerical ApertureThe concept of Numerical Aperture (NA) is fundamental in the field of optical engineering, playing a crucial role in determining the resolving power and brightness of an...

Is a higher or lower numerical aperture better?

Numerical Aperture: Higher vs. LowerThe numerical aperture (NA) of an optical system, such as a microscope objective or a camera lens, is a dimensionless number that characterizes the range of...

What are the best examples of total internal re...

Best Examples of Total Internal ReflectionTotal Internal Reflection (TIR) is an optical phenomenon that occurs when a wave strikes a medium boundary at an angle larger than a particular critical...

Is total internal reflection 90 degrees?

Total Internal ReflectionTotal internal reflection is a phenomenon that occurs when a propagating wave strikes a medium boundary at an angle larger than a particular critical angle with respect to...