Zakaj Can't Lasers Be Seen In Daylight?

Laser je znan kot "te najhitrejši nož", "the najbolj natančen ravnilo", in "the brightest light". "Light amplification by stimulated emission of radiation", referred to as laser. Koliko mnogo colors does the laser have? The color of laser light is determined by the wavelength of the laser light. A certain wavelength corresponds to a certain color. When it sses through a prism, you can see see seven colors of svetloba: rdeča, oranžna, rumena, zelena, modra, modra, in vijolična. V resnici, it vsebuje infrardečo svetlobo in ultravijolično svetlobo ki ne moremo videti. The monochroMaticity of the laser far excess that of any kind of monochromatic light source. The color of the laser is very pure light, and it only emits light in one direction, with extremely high brightness.

Mi pogosto srečamo stranke sprašujejo da lahko 27t vidijo it ko uporabljajo laser na prostem. Razlog je da je moč pre nizka. Lahko vidijo jo ko uporabljajo visoko moč laser? The more powerful laser%% 2c the clearer the light. When the laser beam is seen, it occurs when the laser beam is irradiated by an object and is reflected or scattered or diffusely reflected in most cases. The same goes for sunlight in space. When the laser sses through the smoke or fog, it is obvious that the laser is blocked by dim česce i diffusely reflektira, pa mi se vidimo the laser beam, in sicer mi nemožemo videti to.

Zakaj lahko't laserji se vidijo v zraku, ampak lahko se vidi ko škropite z vodo mest ali dim?

To je ker zrak je čist in luč potovanja v a straight line, in the light cannot be seen if it is not facing the direction of the light propagation. Water droplets have the function of reflection and refraction. When water mist or smoke is sprayed, due to the reflection of water droplets or smoke particles, and the concentration of light around, the laser light is diffusely reflected, in svetloba vstopi človek oko, tako mi lahko vidimo laser svetlobo. V dejstvu, the laser lahko tudi se vidi v zraku. Porazdelitev majhne vode kapljic v zrak je raztreseno, torej odsev je težko najti.

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