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...
Pinciple Revelation of Water Dome Lens Hood
Before 1960s, all of the photos from water are through plane, that is to say opening a port on waterproof case for shooting( that is why lens case in English is called “port”). When we use a micro-l...
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...
Round Concave Mirriors
Round concave mirrors are catoptric imaging. Mirrors( including convex) are reflecting back for imaging rather than get through the light, ray of light follows the law of reflection, that is what we c...
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...
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Diamond Lens Makes Laser Optical Material Processing System Lighter
Diamond has some remarkable properties: for example, its refractive index is 2.4, which is very high, and can be made into thinner optical components for optical systems with the same optical power. T...
The research of crystal glass with ferroelectric semiconductor photoelectric effect has been develop
The polarized photoelectric crystal glass with non-central symmetric structures are based on the spontaneous polarization, which shows the excellent optical performance of nonlinear optics, piezoelect...
Scientists have Simplified the Terahertz Device by Integrating Lasers and Reflecting Mirrors
An electromagnetic pulse that lasts a millionth of a second could be the key to medical imaging, communications and drug development. But this pulse, known as terahertz, requires complex and expensive...
The research of phosphate deep UV optical crystal materials has been developed
Nonlinear optical crystal is an important material of photoelectric information, which has wide application prospects in information, research, energy, industrial manufacturing and medical and health ...
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...
The Design and Use of Optical Lenses in Physical Optics Engineering
Any optical lens, whether new or old, we can use the term lens description to distinguish between the number of the lens, the types of glass, mirror surface radius, the thickness of the lens, the di...
New Crystal Glass may Allow Humans to Breathe Underwater like Fish
The core problem of underwater activity of divers is that humans cannot ingest oxygen from water, therefore, it is necessary to carry gas cylinders or to supply gas from the water surface, and the bre...
Chinese and Australian scientists have developed nano optical materials for temperature control
Australian National University recently announced that the school and Nankai University jointly developed a new type of temperature control nano materials. This material has great potential for energy...
The Basis of Light Setting: Analyzing the Design Requirement of Optical Systems
Any kinds of optical instrument's use and service conditions will have a requirement for their optical systems, they can be summarized as the following aspects.1. The basic characteristics of optical ...
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