Nonlinear optics is the branch of optics , how to test whether a nonlinear optics double-pass system is correctly set up or not, check it here, we share it!

An aplanatic lens is a lens that is free of both spherical and coma aberrations. how to design a double-pass aplanatic optics laser beam delivery system?

What is laser beam quality factor? How to evaluate laser beam quality? Why laser beam quality degrades during propagation? This article will share a bit it.

Poisson spot played an important role in the discovery of the Optical Wave nature of light , here is how to simulate and demo it .

As an laser optics engineer, we always expect to quickly have the laser beam specs in an system without complicated calculation,Here we share how to do it

when we could we use “ray based simulation”, and what is the condition we could use the ray to represent the Laser source

In many laser propagation applications, it is important to quickly capture the key points of laser beam specs, what is the key? this article will share!

An understanding of the wavefront is an important in the Laser optics, fiber optics, How to predict and analyze it, this article will help you a bit.

Zone plates are used in photography in place of a lens, soft-focus image，and may be used as imaging lenses, but how to model it, here it is！