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What mirrors are best for CO2 lasers?
1. Gold-Plated Mirrors
Gold-plated mirrors are a popular choice for CO2 lasers due to their high reflectivity and durability. These mirrors are able to efficiently reflect the CO2 laser beam without significantly absorbing or degrading the beam quality. Gold-plated mirrors are also resistant to damage from high power laser beams, making them a reliable option for CO2 laser systems.
2. Silicon Mirrors
Silicon mirrors are another excellent choice for CO2 lasers, especially for applications that require high power and precision. Silicon mirrors have a high thermal conductivity, which allows them to effectively dissipate heat generated by the laser beam. This helps to prevent thermal distortion and maintain beam stability during operation. Silicon mirrors are also cost-effective and suitable for use in industrial settings.
3. Molybdenum Mirrors
Molybdenum mirrors are known for their durability and ability to withstand high temperatures, making them ideal for CO2 lasers operating at high power levels. These mirrors have a high melting point and can effectively reflect the CO2 laser beam without degrading or warping. Molybdenum mirrors are recommended for applications that involve prolonged exposure to intense laser radiation.
4. Copper Mirrors
Copper mirrors are a good choice for CO2 lasers, particularly for applications that require high reflectivity and thermal conductivity. Copper mirrors have a high reflectivity for CO2 laser wavelengths and are able to efficiently dissipate heat from the laser beam, reducing the risk of thermal damage. Copper mirrors are also relatively affordable and easy to maintain, making them a practical option for CO2 laser systems.In conclusion, the best mirrors for CO2 lasers are gold-plated mirrors, silicon mirrors, molybdenum mirrors, and copper mirrors. Each type of mirror offers unique advantages in terms of reflectivity, durability, thermal conductivity, and cost-effectiveness. The choice of mirror will depend on the specific requirements of the CO2 laser system and the intended applications.
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