helicopter obstacle avoidance using laser radar

According to the statement that the task demands, such equipment must be carried by a Marine Corps team, between 2.3 ~ 3.2kg in weight, can be mounted on a tripod; system must be able to self-focusing, can work under low light conditions ; collection of images must be clear enough to distinguish between long-distance vehicles and personnel at close range, but the user may first watch, and then in the Marine Corps Air - Ground Task Force in the distribution. The RF  laser pointer  is intact in structure.
Specific performance requirements is the field of view 15 × 15mrad, image resolution 0.15mrad, the role of distance 1km, distance resolution of 15m, take time to 1 / 3 s. According to the requirements of the Marine Corps, Sandia National Laboratories and the Burns company made a hand-held laser radar, respectively, of the design. One is the non-scanner system, the use of flash-pumped Q-switched Nd (YAG laser, digital CCD camera and image intensifier modulation. The other is the scanning system, the use of diode-pumped solid-state lasers, 32 yuan avalanche photodiode, fiber optic relay system and binary optical scanners allegedly two programs can meet the requirements. U.S. Air Force Wright Laboratory and the University of Dayton Research multispectral laser radar in which the laser output of laser radar using continuous at 1.35 ~ 5μm tunable optical parametric oscillator, pulse energy 3.3mJ, pulse width 3ns. with adjustable single-state reflectometer system, measuring the bidirectional reflectance distribution function of the target which can be laser radar clutter and the target in a hidden part of the case under the ground target imaging and identification. The RF  laser pointer  is advanced in design. The photoelectric technology of  laser pointer  is very advanced. Many countries in the development of helicopter obstacle avoidance using laser radar. U.S. Ross Dunlop ? Grumman and the Army Communications-Electronics Command Night Vision and Electronic Sensors Directorate jointly developed low altitude helicopter flight with an obstacle avoidance system. The system uses a semiconductor laser transmitter and rotating holographic scanner to detect a wide range of helicopters, the former can be barriers to information displayed in the HUD or helmet-mounted display.

important means of reconnaissance

If divided according to purpose and function, there are sophisticated tracking laser radar, laser radar-guided, laser fire control radar, weather laser radar, laser radar detecting poison, underwater laser radar ... ...; if divided by the work system is a single pulse, CW, FM pulse compression, frequency-modulated continuous wave, continuous wave amplitude, pulse Doppler laser radar and other systems. The following describes the military departments to develop several types of laser radar. The RF  laser pointer  is in the good appearance.
Laser radar, high resolution, three-dimensional data can be collected, such as the azimuth - elevation angle - distance, distance - speed - strength, and display data in the form of images, the geometric distribution of the radiation image obtained from the gated images, the speed images, has the potential to become an important means of reconnaissance. U.S. Raytheon developed ILR100 laser radar, installed in high-performance aircraft and UAVs, reconnaissance in the area to be over to 120 ~ 460m of altitude, with a GaAs laser line scan. Real-time display of images can be obtained on the plane cathode ray tube display, or send via data link to ground stations. In 1992, the U.S. Navy carried out "radiation outlaw" early technology demonstration program, presentation remote with laser radar non-cooperative identification of air and ground targets. The demonstration project using CO2 laser radar designed by the Naval Air Warfare Center, assembled in Pack Tack pod. The laser radar uses the output power 100W, beam divergence 100mrad the CO2 laser and work in the 3.8 ~ 4.5 (m band of 256 (256 staring focal plane array. The RF  laser pointer  is perfect in the technology.
Transmitter and receiver share a common aperture and resolution 4mrad flexible beam control mirror. The radar in the P-3C aircraft for a flight test experiment, the changes can take advantage of the target surface, the distance profile, high-resolution infrared imaging and three-dimensional laser radar imaging, target identification. U.S. Marines made, the existing hand-held photography devices can not meet the requirements of the modern battlefield, the need for a new hand-held imaging device, not only to provide timely processing of the image, and can provide quantitative information.

the medical field has created a miracle

the efficacy of its safety precise , simple and efficient treatment in the medical field has created a miracle. Medical cosmetic laser cosmetic make a big step forward, and give medical cosmetic update the content. World Health Organization (WHO) recent report: 15 million people worldwide die each year coronary heart disease, hypertension, cerebral thrombosis and other cardiovascular and cerebrovascular disease, and over the age of 60 died of cardiovascular disease more than 90% of the number of . Cardiovascular disease is known as people's lives and health of one of the three major killers, but by high cholesterol and high blood viscosity caused by cardiovascular disease is the "big three" killers of the first, the only obvious symptoms of cardiovascular diseases such as headache, dizziness, tinnitus, insomnia, limb numbness, memory loss, etc. There are 180 million people, 120 million people with hypertension, high cholesterol crowd much larger, nearly 400 million people, cardiovascular disease every year 600 more people million rate increase. The inspection group wants to check the working instruction of laser pointer .
Cardiovascular disease with high incidence and high mortality, high morbidity, recurrence rate, high cost of treatment and complications "five high and one more" characteristics, treatment and prevention has reached a critical state. Forties of last century, mankind discovered the laser, this magical light, the material out from the amplification by stimulated emission of the light, known as laser, light is a photon, each photon contains a certain amount of energy , so called light quantum photon again. By the laser is composed of one light quantum. Medical laser irradiation of blood, the blood quantum of light absorbed and converted to molecules of molecular internal energy to play the role of activated blood cells, photons of light can also produce other compounds on the reaction of the blood and biological effects, application of these effects to the treatment and care therapy is called light quantum blood therapy (also known as laser wash the blood).

laser treatment of port wine stains

Using the pulsed dye laser treatment of port wine stains, a significant effect on the surrounding tissue injury, almost no down scar. It emerged as the treatment of port wine stains the history of a revolution in treatment of port wine stains because of the history, radiation, cryotherapy, electrocautery, surgical methods, and its high incidence rate of scarring, and depigmentation or hyperpigmentation often appear. The inspection report of laser pointer needs the signature of the director of laser pointer workshop.
Laser treatment of vascular skin is the use of oxygenated hemoglobin of a certain wavelength of laser selective absorption, which led to the highly vascular tissue damage, which has a high degree of accuracy and security, without affecting surrounding adjacent tissue. Therefore, the laser treatment of telangiectasia is also a significant effect. In addition, variable pulse laser after another, making the removal of tattoos are not satisfied, and a variety of pigmented skin, such as nevus of Ota, age spots and other treatment has been a major breakthrough. According to this type of selective photothermal effect of laser theory (ie, different wavelengths of laser selectively act on different colors of skin lesions), the instantaneous power of its powerful, highly focused radiation energy and the selective coloring, very short pulse wide, the role of the laser energy is concentrated in the pigment particles, the direct vaporization, crushed, removed from the body through the lymphatic tissue, without affecting the surrounding normal tissue, and its effective, safe and reliable, no scar, less pain and enjoys popular support. Laser cosmetic surgery pioneered a new era in medicine. Ultra-high-energy pulsed CO2 laser resurfacing skin surgery cosmetic surgery to open up a new technology. The factory plans to employ more workers to improve the productivity of laser pointer .
It uses high-energy, short pulse laser, the aging, damaged skin tissue to be vaporized instantly, without harming surrounding tissue, the treatment process is almost no bleeding, and precise control of the role of depth. The effect of the international medical community of plastic surgery full recognition, known as "creating a medical cosmetic S"; In addition, more high-energy ultra-pulsed CO2 laser treatment of bags under the eyes, snoring, and even laser whitening teeth.

The latest generation of laser-like beam laser

Laser Beauty is the rise in recent years, a new beauty methods. Cosmetic surgery hospital in Taiwan, Jiang experts: This method can eliminate facial wrinkles, with the amount of laser skin becomes delicate and smooth. Such as the treatment of acne, moles, age spots and so on. As the laser cosmetic painless and safe, welcomed by the people. The customer asks for the further technology perfection of laser pointer .
Plastic surgery hospital in Fuzhou Taijiang cosmetic laser surgery can not be compared with the traditional advantages, no hospital, no side effects, trauma light, no scar, does not affect the normal operation, can be used for wrinkle removal, acne, firming, narrow pore, freckle, thin, and many other fat soluble. Non-invasive skin like laser beams of laser and photonic system application areas of cutting-edge technologies and scientific achievements, equipped with laser-like beam, QS1064 Laser and 532 laser to form a very powerful laser workstation. PIXEL like laser beams in the world wide clinical use, to verify its exact effect. The latest generation of laser-like beam laser to change the traditional model, each laser pulse is composed of nearly a hundred micro-laser pulses, superior treatment, short course of treatment; role to each pixel laser skin, of which only a small region as thermal shock, to retain part of the skin is not affected, to avoid possible heat damage and other side effects, with painless, non-pigmented advantages. Technology perfection of laser pointer is not easy to perform at this moment.
At the same time this new technology can shorten the healing process, so that patients in the treatment of a very short period of time after return to normal work and life; like a laser beam can not only eliminate the stain, but can stimulate the proliferation of collagen, will beautiful skin more smooth and elastic. In addition to long-mole on the face, you can also exist in any part of the body. Most moles are benign, non-destructive physical and mental health, only a minority of malignant transformation will occur mole. Mole, in medicine called nevi, which can appear in any part of the body, and some small tip size; some large body are covered with skin, medical call for the giant mole. The supply manager of laser pointer should well know performance of laser pointer .

the pulse energy is greater

 Use of modern laser technology and clinical combination therapy can improve or restore by causing congenital defects of the face and appearance, in the treatment of skin without leaving scars, allowing you to rebuild the confidence of the beautiful. Tattoo machine gem Q mode, high-energy laser to effectively launch an instant crush lesions in the pigment. The company plans to hire 2 more supply managers of laser pointer .
The principle of light-induced burst: high-energy instantly gather the laser emission, making the fixed-wavelength laser in a very short period of time (only 6ns) instantly penetrate the skin to reach the lesion, and quickly crushed the corresponding pigments, pigment groups corresponding instantaneous thermal expansion speed blast fragmentation, some (light skin) pigment group relative to the pop-up in vitro, in part (based on the organization) pigment group can be broken into macrophages in vivo small particles, digested by macrophages, and ultimately through the human body excreted lymphatic system circulation, lesions of the pigment will gradually fades until it disappears, while the surrounding normal skin because they do not absorb the fixed-wavelength laser not form any damage. Pigmented skin lesions and mixed pigment formation of pigmentation, dermal patches, freckles, moles, birthmarks, nevus of Ota. Professional remove redness, brown, brown and all kinds of tattoos. Effectively eliminate all kinds of eyebrow, embroider eyebrow, lip lines, dip lip, eyeliner and lip lines. Technology perfection of laser pointer will improve quality of laser pointer .
Pregnant women, high blood pressure, severe heart disease; physical scars of the population (some munsu guests can wash); birthmarks and moles were higher than the skin; less bleeding, less pain, pain process is short, surgical management of high quality, shorter operative time. Large LCD computer screen. Six groups of super storage unit, independent of treatment programs, treatment is more effective Israeli imports Q-switched Alexandrite, so that a single pulse width narrower. Ceramic cavity, longer life. Long YAG crystal, the pulse energy is greater. Overall laser, stronger earthquake, powerful refrigeration system that allows for longer working hours. More integrated design, more lightweight, easy to carry.

a combination of physical metallurgy

Meanwhile, the Soviet Union also proposed the theory of laser Basov and general Huoluo Fu. The three shared the 1964 Nobel Prize in Physics. Currently, laser technology has been integrated into our daily lives the. In the coming years, the laser will give us more of a miracle. This kind of  laser pointer  sells really good in American market.
Selective laser melting (SelectiveLaserMelting, referred to as SLM) technology is in selective laser sintering (SLS) technology developed on the basis of. SLM features are: (1) the use of high power density, small spot of laser beam machining of metal, making the metal parts with a size of 0.1 mm accuracy; (2) melting of metal parts produced with a combination of physical metallurgy, the relative density of almost 100%, greatly improving the performance of metal parts; (3) The laser spot diameter is small, so a lower melting point metal melting power, making the use of single-component metal powder to produce parts as possible. Figure 2 shows the German EOSGmbH companies use selective laser melting (SLM) process manufacturing metal parts. Laser multi-layer (or D / D) Cladding direct rapid prototyping technology is based on rapid prototyping technology with simultaneous feeding laser cladding technology developed a high-tech manufacturing techniques, and its essence is a computer-controlled three-dimensional laser cladding. Because of the rapid solidification characteristics of laser cladding, the manufacture of metal parts with a uniform dense dendrites and excellent quality, density and performance of its metal parts with quite conventional. The customer wants to know the shipping details of laser pointer before ordering laser pointer .
Laser multi-layer cladding developed a variety of methods, including the most representative of the U.S. Sandia National Laboratories (SandiaNationalLaboratories) developed called laser engineered net shaping technology (LaserEngineeredNetShaping, called LENS) Rapid Prototyping of metal parts. This method has been successfully manufactured using stainless steel, maraging steel, nickel-based superalloys, tool steels, titanium alloys, magnetic materials and nickel-aluminum intermetallic compound parts, parts density reached almost 100%. Figure 3 Sandia National Laboratories for the U.S. to LENS technology, a metal mold.