Ultraviolet light is a part of the electromagnetic spectrum. Ultraviolet rays have frequencies greater than the frequency of visible light but lower than the frequency of X-rays. The wavelength of ultraviolet light is shorter than visible light and longer than that of X-rays. On interaction with...
In the patent, Microsoft proposes coating the display with a light-induced shape-memory polymer(聚合物). This becomes hard and protruding when one wavelength of ultraviolet light is transmitted at a pixel, and soft when another wavelength hits it. By modulating these wavelengths, texture can be ...
of wavelengths is known as theelectromagnetic (EM) spectrum. The spectrum is generally divided into seven regions in order of decreasing wavelength and increasing energy and frequency. The common designations are radio waves,microwaves,infrared(IR), visible light, ultraviolet (UV),X-raysandgamma-...
visible light, ultraviolet (UV) and gamma radiation (γ), the wavelength is more often specified in nanometers (nm) or angstroms (Å). Nanometers are units of 10-9m, and angstroms are units of 10-10m.
UVC wavelength: 100-280 nm. It is completely absorbed by the ozone layer and the atmosphere. Short wave ultraviolet UVC is the most destructive type of ultraviolet radiation. A unique feature of ultraviolet light is that its specific wavelength range, that is, the wavelength between 200-300 nm...
With this experimental approach, we can change the environmental conditions. We can change, for example, the water temperature, we can change the wavelength of the imaginary sun that we're using…通过这种实验方法，我们可以改变环境条件。例如，我们可以改变水温，我们可以改变我们正在使用的假想太阳的波长...
UV TypeWavelength Range (nanometers) UV-A315–400 nm UV-B280–315 nm UV-C100–280 nm Its Benefits and Limitations Germicidal ultraviolet disinfection is rapid, low-maintenance, and does not use chemicals or produce byproducts. To achieve proper disinfection of water, air, or surfaces, each mus...
Ultraviolet radiation (UV) is a specific range of light on the electromagnetic spectrum. It is invisible to humans because its wavelength range is beyond the limit of human perception. UVs are known to cause sunburn, but they also have beneficial effects on human health. The sun emits much u...
Wavelength The distance between two successive points of a wave. The wavelength of red light is longer than that of blue light. 20 Frequency Regularity or repetitiveness of an event. The frequency of her visits has decreased over time. 5 Wavelength The distance between successive crests or troug...
Although the wavelength of DUV lithography machine's light source is only 193nm, light experiences refraction when passing through water, effectively shortening the wavelength. The refractive index of 193nm ultraviolet light in water is approximately 1.44, resulting in a wavelength of around 134nm. ...