The market and application of optical materials
In recent ten years, with the development of modern optics, optoelectronics and information technology, there has been a kind of photoelectric digital products and information products with high techn...
The Design Principles of Infrared Optical System
The infrared optical system refers to the system that works in the infrared band of the optical wave, which is the optical system that receives or sends infrared light waves. In general, the infrared ...
Application prospect of nanocrystalline materials
Nanocrystalline material is a crystal glass with at least one dimension in nanometer scale in the three-dimensional space scale. Its grain size is about 1-250 nanometers. A notable feature of this mat...
Is a Aspherical Camera Lens Better than a Spherical Lens?
The asphericWhen it comes to the lens, you have to mention the aspherical lens. In many people's understanding, the aspherical lens is a symbol of high level, and the advanced lens is almost all asphe...
Research and Analysis of Silicon Carbide Lens
Silicon carbide material is the ideal material for silicon carbide lens with various high performance and special environmental application because of its low thermal expansion, high strength reflecti...
Elliptical Window
Elliptical window is a plane-parallel plate, it is always used for protecting electronic sensor or detector outside, elliptical window will not change system’s amplification factor. Its basic materia...
Calcium Fluoride Lenses
Calcium fluoride lenses can also be fluorite lens. Fluorite is made of CaF2 crystal. Its obvious characteristics are low refractive index and dispersion, good transmittance for infrared ray and ultrav...
Germanium Window
Diaphragm is a kind of parallel plate, it is always used as protective window of electronic sensor and external environment detector. Diaphragm will not change the amplification factor, its basic mate...