Basic Concepts and Parameters of Optical Filters1. The basic concept of optical filterAn optical filter is simply an optical device used to selectively filter the required radiation band. The substrates are mostly optical materials such as white gl...view
The Basics of Bandpass FiltersBandpass filters are used to transmit the required wavelength range and cut off the unwanted wavelength range. Their design is essentially a thin film formed by vacuum deposition technology, which con...view
What is a Collimator Lens1. Overview of collimator lensThe collimator lens is for point light sources, and the so-called point light sources, we see more in our lives, such as: match head lighting, old-fashioned flashlight bu...view
What is a Corner Cube Retroreflector1. What are corner cube retroreflectorsWhat are corner cube retroreflectors? Today, let’s take a brief understanding. The corner cube retroreflector is generally called Paul prism or Pro prism. It is...view
What is the Collimation Function of Beam Expander1. The collimation function of the beam expanderThe beam expander also has a collimating function, but the beam expander is aimed at the beam (beam with a certain divergence angle). Many lasers on the...view
Production Process of Cylindrical LensThe production process of cylindrical lens mainly includes rough grinding, fine grinding, polishing, centering and edging.1. Rough grinding of cylindrical lensGenerally, the rough grinding of a small ...view
What is a Micro Lens Array?At present, people have been able to make lenses and lens arrays with very small diameters. Such lenses and lens arrays are usually not recognized by the human eye. They can only be observed with micr...view
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