March 1


Laser technology has revolutionized various industries, offering precise cutting, engraving, and marking capabilities. For those new to the world of lasers, understanding the differences between the available types can be challenging. In this article, we will explore and compare four types of lasers: diode lasers (such as the SculpFun range), CO2 lasers (including Trotec, Epilog, and Thunder Laser), fiber laser markers, and fiber laser cutters.

Diode Lasers

Diode lasers are solid-state devices that generate light through the stimulated emission of photons. One example is the SculpFun range of diode lasers is designed for hobbyists and small businesses, offering a cost-effective option for engraving and cutting a variety of materials, such as wood, plastic, and leather.


  • Affordable for beginners and small-scale users
  • Compact size and easy setup
  • Suitable for a wide range of materials


  • Limited cutting power compared to CO2 and fiber lasers
  • Slower cutting and engraving speed
  • Less precision and accuracy than CO2 and fiber lasers

CO2 Lasers

CO2 lasers such as Trotec, Epilog, and Thunder Laser use a gas mixture, including carbon dioxide, as the lasing medium. They are popular for their versatility and are widely used in various industries, from small-scale crafts to industrial manufacturing. Trotec, Epilog, and Thunder Laser are well-known brands in the CO2 laser market, offering machines with different power levels and capabilities.


  • Suitable for a wide range of materials, including wood, acrylic, glass, and textiles
  • Faster cutting and engraving speeds than diode lasers
  • Higher precision and accuracy than diode lasers


  • More expensive than diode lasers
  • Larger machines with more complex setup and maintenance requirements
  • Not suitable for metal cutting or engraving

Fiber Laser Markers

Fiber laser markers use an optical fiber doped with rare-earth elements as the lasing medium. They are specifically designed for marking and engraving metals and some types of plastics. Fiber laser markers are known for their accuracy, speed, and durability.


  • Exceptional precision and accuracy
  • Fast marking and engraving speeds
  • Long lifespan with minimal maintenance requirements
  • Ideal for metal marking and engraving


  • Expensive compared to diode and CO2 lasers
  • Limited material compatibility
  • Not suitable for cutting applications

Fiber Laser Cutters

Fiber laser cutters utilize the same technology as fiber laser markers but are designed for cutting applications. They are widely used in industrial settings for cutting metals, such as stainless steel, aluminum, and brass.


  • High cutting speed and accuracy
  • Suitable for cutting a variety of metals
  • Long lifespan with minimal maintenance requirements


  • Expensive, particularly for small businesses and hobbyists
  • Limited material compatibility compared to CO2 lasers
  • Requires advanced setup and safety measures


When choosing the right laser technology for your needs, consider factors such as material compatibility, cutting or engraving capabilities, speed. Price will also be a determining factor, as will the space you dedicate to the laser.


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