The phase method is to put one or more low frequency (relative to the light frequency modulation) in laser pointer pen, similar to the modulated audio signal in radio RF signal. The specific approach is: Using low frequency signal to control the output power of the laser, the laser reflection signal received power will change with the low frequency signal. Phase of the received signal and the output signal will be compared.
Due to the use of phase ranging laser pointer pen is a continuous output, the peak power is smaller, so the maximum distance is much smaller than the pulse method, usually non cooperative target maximum range of only a few kilometers, want to measure the distance to the moon is not possible.
Let laser pointer pen and photosensitive optical beam from a certain distance, so the measured points and lines that reflected light photosensitive unit and laser beam path will form an angle. This angle is measured, then according to the triangle of knowledge, we can calculate the measured point to photosensitive unit distance.
This is not the same light is relatively long, the laser pointer pen according to the sine wave modulation. The sine wave travels at the speed of light, the first 0 degrees behind some distance. What is the light emitted by the reflected light to the degree of the difference is the phase difference, on behalf of the distance (2 times).
Laser pointer pen is greater than 500MW, the laser belongs to the class classIV laser, is the highest level of GB in the laser beam, not only itself to the eyes, skin and other electronic optical equipment, causing burns, and scattered light, reflected light can be dangerous, and has extremely high fire risk, and I to experience you, my right eye retina by green laser burns, 200mw532nm is not reversible, so now there will still be floaters in the operation of the laser, including other equipment must be Caution! Problem!
In addition to the lab fire, electricity, another thing is to prevent laser pointer pen damage. The laser beam is not directly required to do experiments by laser laser, although only 4mW, this is not a joke. The simplest is to increase energy to increase the voltage, then brush the erupt laser burned. This kind of thing, only to see to know into the eyes, is already late into the eyes.
Do you like to laser pointer pen might not know, more than 3b of the laser scattering light to the human eye may harm the.3b is 5 to 500 or 1 MW to 500 mW laser eyes can’t remember. I usually use power meter measuring 20 MW at that scattering light spot stand. Don’t you how to play at home, be sure to wear goggles and letting people know what you are doing.
The first time I know that laser pointer pen can also lead to blindness. It can remind the laser technology to play house. And laser eye damage is irreversible, will leave a permanent blind spot. However, the brain will “play” on the spot, let you not aware that, like the human natural existence of blind spots. But this does not mean that good for your eyes.
Because of a beam of light is independent of each other, so in principle there should be no problem, the light can be normal reflection. But a closer look, the problem is there is a “great number”, which involved two questions: first, what are the effects of laser pointer pen; second, the effect will be the impact of the situation for the reflection.
Laser pointer pen radiation pressure produced in two ways: one is the pressure formed by the radiation pressure of the laser, called a pressure. The radiation pressure of the laser was weak, but the energy is concentrated, the pressure is considerable. After another laser tissue, can be secondary two times the pressure, this is due to the strong laser in biological tissue, in addition to outside pressure, and steam vaporization pressure, anti shock, thermal expansion, ultrasonic pressure and electrostrictive pressure caused by many factors.
Laser pointer penis due to electromagnetic wave, ruby laser irradiation Q a beam power density of 1015W/cm2 will cause a series of biological tissue changes. Such as harmonic generation, the formation of free radicals, Brillouin scattering, Raman scattering, Ta Hikaruko absorption. The strong laser field effect of biological tissue can produce a similar laser the fundamental frequency, the two harmonic frequency doubling or another half wavelength.
The laser pointer pen technology, design and optimize the structure of air filtration technology; with the astronauts life support system, the purifying efficiency and service life of the filter is improved significantly. When the space technology in air purification will impact what kind of spark?
The formation of haze, it relates to the molecular aggregation process of.Laser pointer pen, chemicals and water molecules in the atmosphere, the formation of molecular clusters, the adsorption of various pollutants in these molecular clusters in the growth process, the growth of aerosol particles larger, and gradually grow into the haze.
To understand the formation and growth mechanism of atmospheric haze fundamentally, prevention and control of atmospheric pollution is very important. “Laser pointer pen” can detect haze how small molecules gradually grow into clusters, to better understand the mechanism of haze.
Efficient use of energy and reduce pollution emissions is an important problem of quantum structure of energy related molecules and their function is based on the energy of the key. “Laser pointer pen” will also be used in important products and intermediates in the combustion process, provide a solid foundation for the elucidation of chemical mechanism of combustion process.
The reason must be closely linked with the characteristics of pen process and laser pointer pen mobile phone manufacturing precision demand. With its high power density, good direction, red laser, high efficiency, environmental protection and many other advantages, laser pen light in mobile phone manufacturing industry to replace the traditional technology trend is increasingly obvious.Diode laser is not favored in consumer electronics the most powerful laser. With the increasingly fierce competition, laser beams manufacturing industry has put forward higher requirements on natural products.
Now military laser integrated design requirements more and more high, more tendency of small, many fine laser pointer pen, such as the use of red laserlaser pen light hard, which has become an important means of technology.Diode laser focal spot can focus high energy in a small area, especially suitable for the processing of most powerful laser, the minimum diameter of only a few microns, hole depth and aperture ratio greater than 50 microns.
Laser beams subscribers in Asia will reach 2 billion 660 million, the market is showing explosive growth, and bring the.Laser pointer penmilitary laser a large number of potential applications in manufacturing in addition to the application of traditional red laser ,laser pen light and diode laser technology, more new laser technology is loose.
Most powerful laser and assembly precision complex are composed of a large number of different shaped laser beams, which is especially needed to support the processing of high precision. In this case, the military laser with its significant advantages in fine processing, laser pointer pen and red laser on.Laser pen light has become the favored manufacturing more success in the future is the key to the consumption of sophisticated electronic devices.
Endless exploration, application without limit. Laser pointer pen technology and its application in today’s constantly challenge people’s imagination.Most powerful laser since the middle of the last century was born, is no longer confined to the laboratory, but further to get in by every opening of human production and life, both in the industrial manufacturing field, or health care, entertainment and other industries “ laser pointer pen, an instance of the meet the eye everywhere life changing”.
Sometimes, the laser pointer pen in normal vision such as battlefield most powerful laser weapons, long-range laser welding in the automobile manufacturing, laser pointer pen solar cell processing. Sometimes, it is everywhere, for example: most powerful laser barcode scanning supermarket, fiber-optic broadband network fast and convenient home, show. On the bizarre laser dance. The ubiquitous laser pointer pen, human beings seem to have well versed in the way of application.
In the laser pointer pen precision welding technology and application, most powerful laser industry bigwigs have to invest heavily in research and development. Laser pointer pen seamless welding technology of vessel only in the car, in the past, the use of aircraft and other high precision manufacturing, to ensure the stability of the overall structure of the safety of.Most powerful laser to the light of God shine into the home appliance manufacturing industry.
In the non intelligent mobile phone popular period, many mobile phone keys on the character identification is obtained by laser pointer pen technology in intelligent processing; mobile phone era, in addition to the widely used in mobile phone manufacturing most powerful laser welding, laser cutting, laser engraving technology, but also can make the mobile phone camera laser focusing technology faster focusing. And on the desktop projection virtual touch screen on the wall, showing mobile phone video / picture laser pointer pen intelligent projection technology. As an advanced processing method, the most powerful laser technology in precision machining exhibition shows more and more advantages.
Laser pointer pen cured red blood essence restore skin health, friends all know, influence on the appearance of red blood is very large, smart woman could not face the slightest flaw. What is ugly red blood? One of the treatment methods of red blood: most powerful laser.Laser pointer pen for the treatment of red blood red blood irradiation the dose should be appropriate, to avoid over exposure to the formation of scar.Most powerful laser treated red blood has selective photothermal effect by laser in capillary hemoglobin laser energy absorption, coagulation, obstruction of blood capillary tube, the capillary atrophy, to achieve the purpose of treatment, treatment process without pain, a few people may be temporary pigmentation, this is the normal reaction of Americans of the skin, can be completely absorbed.
Method of treatment of red blood two: laser pointer pen treated red blood. Its unique role of intense pulsed light on the skin tissue, most powerful laser and photochemical effect, to enhance the function of blood vessel tissue, improve circulation, co existence of these roles so that the skin collagen formation, organization structure, make smooth pores shrink, fine lines and wrinkles, skin elasticity and gloss, irregular pigmentation and other skin problems have been simultaneously treatment.
Laser pointer pen to the red blood. The color light can be dilated blood vessels closed, no longer have to flow through a treatment, can eliminate facial redness especially thick red. If according to the specified.
Most powerful laser treatment to the red blood through the skin tissues by using photonic pigment and its vascular preferred absorption, without destroying the normal skin, blood coagulation, pigments and pigment cell destruction, decomposition, to the treatment of telangiectasia, facial flushing and rosacea.
The use of function change as thin as hair material laser pointer pen cutting process, collocation ultrashort picosecond laser pulse, like perforation, cutting and scraping glass anti high hardness, the thickness of the continuous development of up to 2 microns thick.Laser pointer pen technology, most powerful laser technology to the next stage of the process used in the electronics industry the required processing all brittle material at present. Especially suitable for chemical projects and heat strengthened glass, and applied to the case of sapphire are increasing, the most powerful laser used in the manufacture of a tablet computer, intelligent mobile phone or camera cover glass display type and wearable devices required.
Laser pointer pen is the basic technology section: clean in a similar way to modify the substrate. The perforation process with moderate energy input, substrate processing very mild. This is because the laser pointer pen uses a modified beam source, is different from the previous most powerful laser. ultrashort pulse which set the special adjustment of the optical system. To form a linear longitudinal focusing cutting marks (image 1). The cutting surface roughness less than 0.5 microns (2 images). This most powerful laser does not have to be expensive for the edge grinding operation.
Application of electronic glass as a material, not only to increase the hardness and wear resistance, elasticity and softness, and almost certainly need to have a touch sensitivity, such as.Laser pointer pen touch display technology innovation is a prerequisite, in order to match the display manufacturing efficiency and the synthesis of high quality. The technology to mass production market. One of the main reasons for the most powerful laser is to use the mobile device terminal processing materials, requires very high specifications of the equipment.
Laser pointer penprocess principle although synchronous powder feeding method for the same, but the cladding material is pre processed into wire or wire. This method is convenient use of filling and waste material, easy to guarantee the cladding layer of uniform composition, especially when the cladding layer is a composite material, not due to powder weight or size ratio the size of the impact of different coating quality, laser pointer pen and through fine processing for preheating wire can improve the cladding rate; but the wire surface is smooth, strong reflection of laser, laser utilization rate is comparatively lower. In addition, the laser pointer pen wire manufacturing process is relatively complex, and less variety of specifications.
Powder feeding device using the dedicated laser pointer pen injection for single or mixed powder into the molten pool, powder feeding control and laser scanning speed can be adjusted. The thickness of the cladding layer due to the laser pointer pen powder loose on the laser absorption rate, high thermal efficiency, can obtain the cladding layer is thicker than the other methods the more easy to achieve automation.Laser pointer pen in the actual production.
Usually laser pointer pen application manual coating, the most economical, convenient, it is with the binder cladding by powder into a paste on the surface of the workpiece, drying after laser cladding. The production efficiency is low, the laser pointer pen cladding thickness is inconsistent, not suitable for mass production.
In the material after years oflaser pointer penoptical products and infiltration of anterior posterior segment, a variety of optical materials laser pointer pen is important for all kinds of collocation in laser application. How collocation can achieve its best performance, in order to maintain the stability and service life, for example, we often say that the quartz material, the design is that of quartz, but there are dozens of concrete material hundreds of kinds of difference between the price and laser pointer pen performance of the layman may not know, but the impact on the application of laser system can be very large.
The special laser pointer pen requirements of the fiber laser is mainly manifested in: lens material selection, because the power of fiber laser now used more and more high, the current conventional flint or crown glass, due to its high laser pointer pen absorption rate and high inflation rate has been unable to heat the applicable requirements. But by now the quartz materials. Because the refractive index is too low, there are many limitations in the system design. And through the band in the 1064nm material of these problems are common. So the lens substrate selection is very important for fiber laser pointer pen.
Low power CO2 laser pointer pen engraving equipment, low power CO2 laser marking equipment, low power fiber laser marking equipment, YAG laser pointer pen marking and welding equipment, UV laser marking equipment, however, in high power laser pointer pen applications, laser optical components produced by domestic manufacturers is not up to the requirements of the application, the main the problem is that the damage threshold of coating laser optics and firmness were not enough, but also can not withstand high power or high energy laser.
Another key point is coating, coating the fiber laser pointer pen damage threshold requirements are very high, the film is firm and high damage threshold is the key point of application. The lens has a good performance in these three aspects, the highest can be applied in 8000W fiber laser pointer pen.