Blue Laser
What is the difference between red green and blue laser?
I see that red is expensive, least expensive, costs a little more green and blue is. So what's the difference?
You ask about the color or the device? About the color, which differs only by their frequency. Red is a lower frequency is less green and blue. Ca 390 THz red, green 540 and 700 THz THz Blue (Tera-Hertz) About the camera: they are all Semiconductor diodes Types of LED (Light Emitting Diode), works as LASER (the population of electrons strongly reversed), you need a more energy than LED LASER. And get different materials, depending on the quantum level gap at the right wavelength light. Wavelength of the frequency and the speed of light name. Ca. 750 nm red, 550 nm green, 350 nm emission wavelength Blue (nm) (or frequency) depends on the difference between the electron quantum orbits "on the junction of the diode. When the electron pass on the lower level, a photon is emitted. The wavelength of the photon depends on the Quantum-level difference. In order to "produce Unlike the quantum level, you must choose different materials for the construction of the junction of the diode. Red Laser are simple and they are produced in large quantities to lower its price. Green laser field a little more difficult to build ro, ie, they cost a little more. has searched for since the blue laser many years, they eventually get the right mix for the construction of the "Blue Cross". Is it more difficult to build, and this is not the production enoguht yet, so the cost is higher. In addition, diode years, all built with more "power", which is another challenge for the right of way with the ability to create sufficient power. Current must pass through the intersection, to "rise" in electronics.
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