Several websites can provide these products. Tech-heavy online vendors such as Tmart and GadgetTown provide great offers. Make sure to read user reviews before purchasing though!
All three colors of laser light (yellow, red, and green) can potentially cause eye injury if exposure is at a high enough power. The safety of a laser depends on the power output and duration of exposure rather than the color. It is important to follow safety guidelines and use appropriate protective eyewear when working with any laser.
No, 5mW green lasers are generally not powerful enough to burn objects or cause damage. They are considered low-power lasers and are typically used for pointing, alignment, or in presentations. If you need a laser for burning, you would need a much more powerful laser, such as a high-powered handheld laser or a laser cutter.
Amazon and eBay are good places to look for high power lasers. You are unlikely to find one at your local Wal-mart or Lowe's. Dragon Lasers is one example of a high powered laser you may want to research.
High powered lasers are typically used for various needs such as hair removal, surgery, spacecraft, spectrodcopy and even in investigation procedures.
High energy pulsed lasers are available for purchase on the "Newport" website. They have many models available. These lasers are quite expensive and cost thousands of dollars.
Yes, lasers can cut through concrete and steel, but the effectiveness depends on the type of laser and its power. High-powered industrial lasers, such as fiber or CO2 lasers, are capable of cutting through steel, while specialized lasers can also be used for concrete, often in combination with water to improve efficiency. However, cutting through these materials is typically more complex and requires precise settings to achieve clean cuts without damaging the surrounding area.
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The Rofin-Sinar StarPulse series is known for being compact yet powerful CO2 lasers, offering high peak powers in a small package. These lasers are popular for applications that require both portability and high performance.
Cold lasers are safer and deal less pain than hot lasers. Cold lasers are usually used for repairing skin damage and treating pain and inflammation. Hot lasers are simply used for burning things.
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Yes, there are lasers specifically designed to cut through metal. Fiber lasers and CO2 lasers are commonly used in metal cutting applications due to their high power and precision. These lasers are capable of cutting through various types of metals with different thicknesses.
Laser is actually an acronym for Light Amplification by Stimulated Emission of Radiation. The greater apparent power is related to the high degree of spatial and temporal coherence. The energy in the laser travels all in the same direction and with a unified frequency. Regular light travels in different directions - relatively unfocused and the photons are are not synchronized like they are in a laser. Since all the energy is arriving in a very small area and at the same time, the effective power is much greater than you get in a natural beam of light which is more diffuse and not synchronized.