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, ...
The Application of Zoom Lenses
Ⅰ. The selection principle of the zoom lensesThe maximum imaging circle size of the lens should not be less than the imaging specification of the camera chip, that is to say, 1/2 lens can be used wit...
Achromatic Lenses
1. The introduction of achromatic lensAchromatic lenses have various configurations, the most common of which are positive achromatic lenses, negative achromatic lenses, three-phase achromatic lenses ...
Pentagonal Prism/Half Pentagonal Prism Estimate
The pentaprism deviates the lights beam by 90° through reflection of two surfaces while maintaining image parity. The deviation of the beam will not change the slight rotation of the prism, so it is ...
What Makes Apochromatic Lenses Important?
Because apochromatic lenses focus colors at the same point, they allow users to fully focalize the image. Compared with uncorrected singlet lenses, apochromatic lenses can produce clearer images, maki...
Technology and Application of MWIR Lens
1. The use of MWIR lensWith the development of infrared detector technology and application requirements, the use of MWIR lenses is also increasing. Due to the refrigerating mechanism used by the medi...
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...
Lens Assembly and Assembly Methods
1. Introduction of lens assemblyWith the development of imaging technology and the widespread use of electronic products with camera functions, optical lens assemblies are widely used in various field...
Explore the Aspheric Achromatic Lenses
The aspherical achromatic lens is a cost-effective lens with excellent chromatic aberration and spherical aberration correction functions, and meets the demanding imaging requirements of today's o...
Imaging Advantages of Apochromatic Lenses
1. Introduction of apochromatic lensAn apochromatic lens is a lens made of two optical components, a positive low refractive index (Crown) and a negative high refractive index (Flint).apochromatic len...
How to Choose the Projection Lens, Prism and Lens?
1. Classification of projection lensThere are basically two types of projection lenses, one is prism and the other is lens. Prism-type projection lenses are anamorphic lenses composed of one or more p...
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...
Production Process of Cylindrical Lens
The 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 ...
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...
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