Wednesday, February 15, 2012

green laser pointer can be embedded with USB flash disks

X-ray allows gas, liquid and solid substances, ionizing, thus changing its electrical properties. This feature have a major impact on the communications satellite. If X-rays penetrate the communications satellite, the satellite within the electronic components of the ionization phenomenon, changed the original nature of electrical, the Fengyun communications satellite it is basically scrapped. X-rays can cause permanent physical damage, such as the breakdown of solid materials, holes, peeling, and this role can make standard samples aging affect the service life. This feature because it is a long time in a long time irradiation or irradiation, missiles, aircraft, had no effect. The green laser pen company adds the investment in development.
Will significantly shorten the service life of various types of military satellites. The defense of the X-ray, features its not easy to penetrate the bone, the bone meal to suppress a protective layer lining the inner surface of the satellite, which play the role of the barrier.
Therefore, the damaging effects of ultraviolet laser blinding. The pilots can wear glasses and protection. X-rays by Roentgen, German scientist discovered in 1895. He found that these rays penetrate the very strong and can penetrate glass, wood and muscle, can also penetrate the black paper inside wrapped in film photosensitive, but also to make cardboard coated with isocyanate barium flashing light green fluorescence, but the bone is difficult to penetrate. Roentgen captured this ray photographs of the hand bones of his wife. green laser pointer can be embedded with USB flash disks(optional).
Whether the smooth metal surface can affect the reflection and absorption of the laser; a rough surface, the absorption coefficient will increase. Solid material on the laser absorption and reflective nature and purity of the materials related to the high impurity content of materials, the absorption coefficient. The wavelength of the laser weapon developed by the United States between 1? 315 3? 8μm, if the pure metal as the shell material of the aircraft, it should be up to more than 90% of the laser reflectivity. In art galleries, green laser pen may be not suitable.
However, due to consider the requirements of the shell material, the pure metal, while the use of alloys, coupled with the friction of the target in flight within the atmosphere or in outer space to accept exposure to sunlight, its surface temperature is usually high. thus the target surface reflection coefficient decreased, the laser absorption coefficient increased.

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