The normal working hours of the green laser pointer
 The type known as the resonance condition. Resonance condition, the second, the laser has good directional laser, the laser has a very good direction, which means that the laser energy is highly concentrated in space; highly concentrated; pulsed laser can also achieve energy in time highly concentrated. This 50mW blue violet laser pointer beam can be used for positioning, navigation and ranging. Focus on. This laser beam can be used for positioning, navigation and ranging.The normal working hours of the green laser pointer depend on the frequency applied by it. Measured with a laser distance between the Earth and the moon, accuracy up to ± given the distance between Earth and the moon, accuracy up to high-power pulsed laser beam, can produce tens of thousands of degrees of heat. High-power pulsed laser beam, can produce tens of thousands of degrees of heat. Industry can be used to melt metal and non-metallic materials, for drilling, can be used to melt metal and non-metallic materials, for drilling, cutting or welding can also be made of laser scalpel; military laser weapons can be made.The page-turning green laser pointer is divided into two parts. Access; also be made of laser scalpel; military laser weapons can be made. Optical fiber communication is the use of laser as a tool to transmit information, optical fiber communication is the use of laser as a tool to transmit information, with a large amount of information transmitted more than large ones, etc., a large amount of transmission than large ones, etc., has been in modern science and technology and other aspects of people's lives play a huge role. Life and other people play a huge role. Monochrome laser and holographic coherence to the use of monochromatic laser and holographic coherence to, the points can be the object of both the amplitude and phase information is recorded. Object points both amplitude and phase information is recorded.
Because of its strong directional, high brightness, good color characteristics, widely as industrial and agricultural production, national defense, military, medical satellite laser sensor health, scientific research and other aspects, such as the length of the baseline and used for optical frequency reference.If you don’t use the receiver, you can put it into the green laser pointer body. This article describes the principle of laser sensors, characteristics and applications. Keywords: Laser sensors Laser sensors Laser sensors single frequency laser interferometer Keywords text: text: I. Introduction Introduction: Laser sensors are generally measured using laser sensor technology. It consists of 200mW green Laser Pointer, laser detectors and Introduction measuring circuit. Laser sensor is a new measuring instrument, its advantage is to achieve non-contact distance measurement speed, high accuracy, large measuring range, resistance to light, electrical interference and strong. The high directional laser, high color and high brightness and so on non-contact distance measurement can be realized. Laser sensors commonly used in the length, distance, vibration, speed, position and other physical measurement, but also for detection and monitoring of atmospheric pollutants.Some receivers are used exclusively, so keep them well when you finish using the 100mW green laser pointer. Second, the characteristics of the laser characteristics of the laser: the laser characteristics (a) ordinary light source is directional light in all directions. Make the emission of light propagation in one direction, you need to light a certain condenser fitted with devices such as car headlights, and searchlights were installed on the role of the condenser mirror, so that radiation is to bring together in one direction injection.
Laser emission of the laser, born in one direction injection, beam divergence is extremely small, only about 0.001 radians, nearly parallel.
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