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1064nm/532nm Q-Switched ND: YAG Laser: A Comprehensive Overview
| Laser type | ND: yag laser |
| Wavelength | 1064nm&532nm&1320nm |
| Energy | 1-2000J |
| Frequency | 1-10hz |
| Screen | 8.4 Inch color touch LCD screen |
| Language | different languages optional |
| Spot | Fixed spot size |
| Cooling system | water cooling +Air Cooling +self-contained cooling |
| Electrical Requirement | AC 220V士10% 50HZ AC 110V士10% 60HZ |
• 8.4" color-touch screen, smart appearance.
• Small size and light weight, easy to transport, saving freight costs.
• High Performance, Short pulse width / High power / Long lifespan.
• Cost-effective laser handle design.
• Instruction light: net imports of infrared indicator to spot more accurate treatment has greatly enhanced point utilization, and cost saving.
• Powerful energy: 2000mJ;
• Easy to operate, special language, free logo service. One to-one training.
• Digit counter: with a counter on the handle, you can see the precise shots number clearly.
• Humanized software control, all parameters adjustable on LCD display easily;
• Strong packing: aluminum alloy case, durable in any rough transportation.
• High quality of machine shell: ABS material Perfect cooling system: air + water, good performance for long time working.
• Suitable for the performance of skin care center, spa, medicalspa, clinic.
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The 1064nm/532nm Q-Switched ND: YAG Laser is a versatile and powerful tool widely used in various medical, industrial, and scientific applications. This laser system operates at two primary wavelengths: 1064 nanometers (nm) in the infrared spectrum and 532 nm in the visible green spectrum. The Q-switching technology allows for the generation of high-intensity, short-duration pulses, making it particularly effective for precision tasks such as laser marking, tattoo removal, skin rejuvenation, and material processing.
Fundamental Principles
1. ND: YAG Laser Crystal:
The core component of this laser system is the Neodymium-doped Yttrium Aluminum Garnet (ND: YAG) crystal. When optically pumped, typically by a flashlamp or diode laser, the ND: YAG crystal emits light at a wavelength of 1064 nm. This wavelength is in the near-infrared region and is invisible to the human eye.
2. Frequency Doubling:
To achieve the 532 nm wavelength, a frequency-doubling crystal, such as Potassium Titanyl Phosphate (KTP), is used. This crystal converts the 1064 nm infrared light into 532 nm green light through a process known as second harmonic generation (SHG). The green light is visible and is often preferred for applications requiring high visibility and precision.
3. Q-Switching Mechanism:
Q-switching is a technique used to produce high-peak-power laser pulses. In a Q-switched laser, the quality factor (Q) of the optical resonator is temporarily lowered to prevent lasing action, allowing energy to build up within the gain medium. When the Q-factor is restored, the stored energy is released in the form of a short, intense pulse. This results in pulse durations typically in the nanosecond range, with peak powers significantly higher than those achievable in continuous-wave (CW) operation.
Applications
1. Medical Applications:
Tattoo Removal: The 1064 nm wavelength is highly effective for targeting dark ink pigments, while the 532 nm wavelength is used for brighter colors like red and orange. The short pulses break down the ink particles, which are then naturally eliminated by the body.
Skin Rejuvenation: The laser promotes collagen production and skin tightening, reducing the appearance of wrinkles, scars, and pigmentation.