1, medical
Infrared therapy role is based on the warming effect. Under infrared irradiation, the tissue temperature rises, capillary expansion, blood flow is accelerated, material metabolism is enhanced, and the vitality and regenerative capacity of tissue cells is improved.
Infrared ray treatment of chronic inflammation, improve blood circulation, increase the phagocytosis of cells, eliminate swelling, and promote the dissipation of inflammation. Infrared rays can reduce the excitability of the nervous system, have analgesic, relieve the spasm of the transverse and smooth muscles as well as promote the recovery of nerve function.
In the treatment of chronic infected wounds and chronic ulcers, it improves tissue nutrition, eliminates granulomatous edema, promotes the growth of granulation, and accelerates wound healing. Infrared irradiation has the effect of reducing burn wound exudation. Infrared light is also often used in the treatment of sprains and contusions, to promote tissue swelling and hematoma dissipation, as well as to reduce postoperative adhesions, to promote the softening of the scar, to reduce scar contracture.
2, infrared light source
Life in the high temperature sterilization, infrared night vision, monitoring equipment, cell phone infrared port, hotel room door card, car, TV remote control, hand wash basin infrared induction, hotel door in front of the induction door.
3, night vision
With clear imaging, production is simple and so on, but its Achilles' heel is infrared searchlight issued by the infrared light will be the enemy's infrared detection devices found. 1960s, the United States first developed a passive thermal imaging camera, which does not emit infrared light, is not easy to be found by the enemy, and has the ability to observe through the fog, rain and so on.
4, light wave furnace
Light wave furnace grill tube from quartz or copper tube into a halogen tube (i.e., light wave tube), can quickly produce high temperature and high heat, cooling speed is also fast, heating efficiency is higher, and will not be baked, so as to ensure that the color of the food. In terms of cost, the cost of light-wave tube is only a few dollars more than copper or quartz tube, so the use of light-wave tube in microwave oven technology is very common.
5, thermal imager
Features: due to the different intensity of infrared radiation of various objects, so that people, animals, vehicles, airplanes, etc., clearly observed, and is not affected by smoke, fog and trees and other obstacles, day and night can work. Is currently the most advanced night vision observation equipment mastered by mankind.
But because of the price is particularly expensive, can only be applied to the military, but due to the application of thermal imaging is very wide range of electric power, underground pipelines, fire medical, disaster relief, industrial testing, etc. There is a huge market, along with the development of social and economic, scientific and technological advances in infrared thermography of this high-tech in two or three decades will be large-scale application of the civilian market, make a contribution to mankind. Contribute to the human race.
Characteristics
Infrared is in 1800 by the astronomer William Herschel found that he found that there is a frequency lower than the red light radiation: invisible to the naked eye, but still can make the surface temperature of the irradiated object rise. More than half of the energy that the Earth receives from the Sun is in the form of infrared absorption. The balance of infrared radiation absorbed and emitted by the Earth has a critical effect on its climate.
Infrared radiation is absorbed or emitted when molecules change the way they rotate or vibrate. The vibrational modes of molecules and changes in their dipole moments can be found from the energy of infrared light, making infrared light the ideal frequency range for studying molecular symmetry and their energy states. Infrared spectroscopy studies the absorption and emission of photons in the infrared range.
Relation to light
Light is a radiated electromagnetic wave with a wavelength distribution from 300 nm (ultraviolet) to 14,000 nm (far infrared). However, in terms of human experience, the "light field" usually refers to the light wavelength field visible to the naked eye, i.e., from 400nm (violet) to 700nm (red) can be perceived by the human eye in the range, generally referred to as the "visible light field" (Visible).
Because of this, the human eye can perceive a range of light from 400nm (violet) to 700nm (red).
Because of the recent development of science and technology, human beings use a variety of "media" (special material sensors), the sense of the range from the "visible" part of the expansion of the two ends of the minimum can reach 0.08 ~ 0.1nm (X-ray, 0.8 ~ 1?), up to 10,000 nm (X-ray, 0.8 ~ 1?), the highest level of the "visible" part of the "visible" part of the expansion. ) and up to 10,000nm (far infrared, thermal imaging range).
The above references? Baidu Encyclopedia-Infrared rays