What Is a Beam Expander?
1. Brief introduction of beam expanderA light or laser beam expander is a scientific instrument that can expand the input beam of parallel light or laser into a larger output beam. In terms of usage, ...
On-chip Arbitrary Mode Spot Conversion
On-chip photonic devices show great potential in many applications, including communications, microwave photonic signal processing, quantum information, sensing and computing. Recently, researchers ha...
Why Use Penta Prism for SLR Cameras?
People nowadays are very familiar with SLR cameras. SLR cameras are single-lens reflex viewfinder digital cameras. The principle of SLR cameras is to use a single lens to view the view, and the light ...
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...
What is a Collimator Lens
1. 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...
What is the Difference Between Spherical and Aspheric Lenses?
1. The difference between spherical and aspheric lenses: surface curvatureThe difference between spherical and aspheric lenses: a spherical lens refers to a constant curvature from the center to the e...
The Benefits of Zoom Lenses and the Precautions when Using Them
1. The benefits of zoom lensThe biggest advantage of a zoom lens is: convenience. You don't have to bring a lot of lenses on business trips, making it easier. The zoom lens is relative to the fixe...
What is the Function of Laser Collimating Lens?
Semiconductor lasers have the advantages of low cost, long life, small size, and high reliability, and have broad application prospects in industrial processing, pumping, medical treatment, and commun...
Tips for Using Micro Lenses
We often use micro lenses to shoot some flowers, plants, insects and e-commerce products, and occasionally use micro lenses to shoot common subjects such as portraits. It can be said that there are st...
The Difference Between Micro Lenses and Ordinary Lenses
1. About micro lensesMicrolenses are actually lenses with higher magnification and optical qualities optimized for close-up photography. Usually, micro-lenses have a 1:1 magnification ratio, and gener...
What Are Micro Lenses? What Are the Characteristics?
The purpose of macro photography is to try to show the details of the subject in detail, and to present the subtle parts in full detail. In macro photography, there is a term that must be recognized, ...
Understanding Zoom Lenses and Their Usage
Zoom lens is also a type of lens that can change the focal length without changing the lens. The zoom lens has a varying focal length. Nowadays, the optical industry uses computers to design lenses, a...
Understanding and Characteristics of Sapphire Ball Lens
Sapphire optical components can be used for various applications that require high durability or a wide spectral range, including semiconductors, FTIR spectroscopy or FLIR imaging. Sapphire glass is t...