High Durability CO2 Laser Reflecting Mirror - China Suppliers & Factory for Optimal Beam Delivery
Material characteristics
The base material of the reflective mirror is silicon, copper, Mo. The silicon is the normal coating material and it has the advantage of low cost, strong durabllity and stable thermal properties. The copper is usually used in the high power CO2 laser owing to it's high thermal conductivity. The Mo can be used in a poor condition owing to it's high surface strength and it can bear high power without surface coating, with long life span.
Principle
The reflective mirror is usually used as the end mirror or the folding reflective mirror in the laser cavity during the light transmission, while it's be acted as the role of the beam turn-back mirror outside the laser cavity. A CO2 laser mirror is a key optical component used in CO2 laser systems, which typically operate at a wavelength of 10.6 microns in the infrared spectrum. These mirrors are designed to reflect the high-power infrared laser beam with minimal loss and distortion.
Use
CO2 laser mirrors are essential components in various industrial and scientific applications. They are primarily used in CO2 laser systems for tasks such as laser cutting, engraving, and marking, especially in materials like wood, plastics, metal, and glass. These mirrors help direct and focus the laser beam accurately, ensuring high precision and efficiency in the laser processes. CO2 laser mirrors are also used in research and development, including spectroscopy and medical applications like laser surgery, where precise beam delivery is critical. Their ability to handle high-power infrared laser beams while maintaining minimal distortion makes them indispensable in fields requiring advanced laser technology.
| model | material | diameter (mm) | Diameter (inch) | Focal Length (mm) | Focus Length (inch) | thickness (mm) | Type / Specification |
| JL19.05F1 | ZnSe | 19.05 | 0.75 | 38.1 | 1.5 | 2 | Chinese Material |
| JL19.05F2 | ZnSe | 19.05 | 0.75 | 50.8 | 2 | 2 | Chinese Material |
| JL19.05F3 | ZnSe | 19.05 | 0.75 | 63.5 | 2.5 | 2 | Chinese Material |
| JL19.05F4 | ZnSe | 19.05 | 0.75 | 76.2 | 3 | 2 | Chinese Material |
| JL19.05F5 | ZnSe | 19.05 | 0.75 | 101.6 | 4 | 2 | Chinese Material |
| JL19.05F1 | ZnSe | 19.05 | 0.75 | 38.1 | 1.5 | 2 | Imported Material |
| JL19.05F2 | ZnSe | 19.05 | 0.75 | 50.8 | 2 | 2 | Imported Material |
| JL19.05F3 | ZnSe | 19.05 | 0.75 | 63.5 | 2.5 | 2 | Imported Material |
| JL19.05F4 | ZnSe | 19.05 | 0.75 | 76.2 | 3 | 2 | Imported Material |
| JL19.05F5 | ZnSe | 19.05 | 0.75 | 101.6 | 4 | 2 | Imported Material |
| JL20F1 | ZnSe | 20 | 0.787 | 38.1 | 1.5 | 2.2 | Chinese Material |
| JL20F2 | ZnSe | 20 | 0.787 | 50.8 | 2 | 2.2 | Chinese Material |
| JL20F3 | ZnSe | 20 | 0.787 | 63.5 | 2.5 | 2.2 | Chinese Material |
| JL20F4 | ZnSe | 20 | 0.787 | 76.2 | 3 | 2.5 | Chinese Material |
| JL20F5 | ZnSe | 20 | 0.787 | 101.6 | 4 | 2.5 | Chinese Material |
| JL20F1 | ZnSe | 20 | 0.787 | 38.1 | 1.5 | 2.2 | Imported Material |
| JL20F2 | ZnSe | 20 | 0.787 | 50.8 | 2 | 2.2 | Imported Material |
| JL20F3 | ZnSe | 20 | 0.787 | 63.5 | 2.5 | 2.2 | Imported Material |
| JL20F4 | ZnSe | 20 | 0.787 | 76.2 | 3 | 2.5 | Imported Material |
| JL20F5 | ZnSe | 20 | 0.787 | 101.6 | 4 | 2.5 | Imported Material |
| ⅡⅥ | ZnSe | 20 | 0.787 | 38.1 | 1.5 | 2.2 | |
| ZnSe | 20 | 0.787 | 50.8 | 2 | 2.2 | ||
| ZnSe | 20 | 0.787 | 63.5 | 2.5 | 2.2 | ||
| ZnSe | 20 | 0.787 | 76.2 | 3 | 2.5 | ||
| ZnSe | 19.05 | 0.75 | 38.1 | 1.5 | 2 | High power | |
| ZnSe | 19.05 | 0.75 | 50.8 | 2 | 2 | High Power | |
| ZnSe | 19.05 | 0.75 | 63.5 | 2.5 | 2 | High Power | |
| ZnSe | 19.05 | 0.75 | 76.2 | 3 | 2 | High Power | |
| ZnSe | 25.4 | 0.75 | 38.1 | 1.5 | 2 | High Power | |
| ZnSe | 25.4 | 1 | 50.8 | 2 | 3 | High Power | |
| ZnSe | 25.4 | 1 | 63.5 | 2.5 | 3 | High Power | |
| ZnSe | 25.4 | 1 | 76.2 | 3 | 3 | High Power | |
| JL25.4F1 | ZnSe | 25.4 | 1 | 50.8 | 2 | 3 | |
| JL25.4F2 | ZnSe | 25.4 | 1 | 63.5 | 2.5 | 3 | |
| JL25.4F3 | ZnSe | 25.4 | 1 | 76.2 | 3 | 3 | |
| JL25.4F4 | ZnSe | 25.4 | 1 | 101.6 | 4 | 3 | |
| JL25.4F5 | ZnSe | 25.4 | 1 | 127 | 5 | 3 | |
| JL38.1F1 | ZnSe | 38.1 | 1.5 | 76.2 | 3 | 4 | |
| JL38.1F2 | ZnSe | 38.1 | 1.5 | 127 | 5 | 4 | |
| JL38.1F3 | ZnSe | 38.1 | 1.5 | 190.5 | 7.5 | 4 | |
| JL38.1F4 | ZnSe | 38.1 | 1.5 | 127 | 5 | 7.87 | |
| JL38.1F5 | ZnSe | 38.1 | 1.5 | 190.5 | 7.5 | 7.87 | |
| JL38.1F6 | ZnSe | 38.1 | 1.5 | 127 | 5 | 9 | |
| JL38.1F7 | ZnSe | 38.1 | 1.5 | 190.5 | 7.5 | 9 |
Frequently Asked Questions
What base materials are typically used for CO2 laser reflecting mirrors?
The primary base materials used for CO2 laser reflecting mirrors are Silicon (Si), Copper (Cu), and Molybdenum (Mo). Silicon is widely selected for its cost-effectiveness, durability, and thermal stability. Copper is favored in high-power applications due to its superior thermal conductivity, while Molybdenum is ideal for harsh environments because of its high surface strength and ability to withstand high power without requiring a surface coating.
What is the main operating principle of a CO2 laser mirror?
A CO2 laser mirror functions as a key optical component designed to reflect high-power infrared laser beams (typically operating at a 10.6-micron wavelength) with minimal energy loss. Inside the laser cavity, it serves as an end mirror or folding mirror; outside the cavity, it acts as a beam turn-back mirror to redirect the laser path toward the target.
What industrial applications rely on CO2 laser mirrors?
These mirrors are essential for industrial processing tasks including laser cutting, engraving, and marking across materials like wood, plastics, glass, and metals. They are also crucial in medical fields for laser surgery and in scientific research applications like spectroscopy, where precise beam delivery is required.
What is the difference between Chinese and Imported ZnSe materials?
Imported ZnSe (Zinc Selenide) materials typically offer lower absorption rates and higher laser power threshold limits, making them suitable for high-power industrial operations. Chinese ZnSe materials provide a highly cost-effective alternative for standard, low-to-medium power laser cutting and engraving systems.
How do I choose the correct focal length for my laser lens?
Focal length determines the spot size and depth of focus. Shorter focal lengths (e.g., 1.5 to 2 inches) produce a smaller spot size, which is ideal for high-resolution engraving. Longer focal lengths (e.g., 2.5 to 4 inches or more) provide a longer depth of focus, making them more suitable for cutting thicker materials cleanly.