The common function of green laser pointer
The laser head and its family of products embody the optics, electronics, precision machinery, micro, new materials, micro-machining and other high-tech essence, is the crystallization of the first side of technology, application prospects are very broad, the company’s expected future growth of 50mW blue violet laser pointer industry. edit edit this paragraph laser guns laser guns laser guns in this section is twice the measured object has a specific time interval of the laser rangefinder, made in the one period measured object distance, resulting in the movement speed of the measured object, therefore, the laser gun has the following characteristics: 1, as basic as the rays of the laser beam, relative to the estimated speed from the radar effective distance can be measured outside the 1000M;The two keystrokes on green laser pointer body control the page-turning. 2 speed, high precision, error <1 km; 3, in view of the principle of the laser gun, aim the laser beam must be perpendicular to the plane of laser beam reflection point, and because the measured distance is too vehicles far, and is on the move, or the body is not flat, which led to low success rate of the laser gun, is difficult, especially the intensity of the work of police officers on duty very, very fatigue. 4, in view of the principle of laser velocimetry, laser speed detector could not have used in the campaign, only in the stationary state of the application; That is the most common function of green laser pointer in file demonstration.Therefore, the green laser pointer gun can not be called “mobile electronic police.” when used in the stationary state, the driver is easy to find a test Therefore, the purpose of achieving the desired 5, expensive, and now through the regular channels of the laser gun imports (excluding viewfinder and control part) the price at least one million dollars or so. laser communications laser communications, laser in air space transmission of a communication laser atmospheric communication transmission equipment mainly by the laser (light source), optical modulator, optical transmitter antenna (lens) and other components; The sloping keystroke on green laser pointer body is more comfortable for people to handle. mainly by the optical receiving device receiving antenna, optical detectors and so on. information is sent first converted into electrical signals, and then by the modulated light modulator to generate the laser beam on the 200mW green Laser Pointer, the optical antenna out. information received, the optical receiving antenna will receive the optical signal is focused, sent to the optical detector recovery into electrical signals, the information in the restoring of atmospheric laser communication capacity, confidentiality, and immune to electromagnetic interference, but the laser transmission in the atmosphere by rain, fog, snow, frost and other effects of attenuation should be increased, it is generally used for the border, island, across rivers and other short-range communication, and the atmosphere outside the inter-satellite communications and deep space communications. The small keystroke between two ones on the green laser pointer body is for switching it on. Early laser light source used in the majority of air traffic for the carbon dioxide lasers, helium – neon lasers. dioxide laser output laser wavelength 10.6 microns, the wavelength channel just in the atmosphere of low-loss transmission window is an ideal source of communication from the late 1970s to the mid-1980s, due to the technology difficult to solve the all-weather, high mobility and high flexibility , stability and other issues, atmospheric laser communications research at a low ebb in 1988, Brazil announced the successful development of a portable 100mW green laser pointer atmospheric communication system that the military line by infrared laser Unicom communication device.
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