Explore our flagship OEM/ODM laser diode arrays designed for clinical hair removal system assembly and high-durability handpiece repair services.
The global clinical market for permanent hair removal has moved conclusively toward high-energy diode systems. Compared to legacy systems utilizing IPL or Alexandrite (755nm) sources, the 808nm wavelength offers the optimal balance between melanin absorption profile and dermal penetration depth. This biophysical compromise makes 808nm the recognized "Golden Standard" for safe, fast, and clinically proven hair removal across skin types I to VI according to the Fitzpatrick Scale.
Today's market demands more than standard assembly. Medical spas and device distributors look for optoelectronic modules that integrate High Power Laser (HPL) performance, advanced micro-optics, and micro-channel cooling (MCC). At the engineering level, the core differentiator is how the diode bars are stacked and mounted. Utilizing gold-tin (AuSn) hard solder technology prevents the common issue of indium-migration and degradation, ensuring that the laser output maintains its uniformity and high density over tens of millions of shots.
In high-power diode laser stacks ranging from 500W to 4800W, heat is the ultimate performance limiter. Without robust cooling, thermal stress shifts the central emission wavelength away from 808nm, reducing absorption efficiency and risking thermal damage to the laser cavity. We focus on advanced packaging structures to maintain stable output profiles under heavy daily operating loads.
Our MCC modules utilize precision-etched micro-channels with high-purity copper blocks. This configuration delivers highly efficient heat dissipation directly from the diode bar interface. It minimizes thermal resistance, allowing system designers to increase output fluences without stressing the laser bars.
Laser diodes exhibit high divergence along the fast axis. By integrating FAC micro-lenses directly into high-power modules (such as our 3500W 70-bar arrays), the beam is collimated into a dense, non-divergent matrix. This optical alignment boosts energy transmission efficiency, allowing target follicles to receive uniform energy delivery.
Many lower-tier suppliers use soft indium solder, which is prone to oxidization and electromigration under high current. Our premium diode stacks utilize gold-tin eutectic bonding. This ensures long-term metallurgical stability, preventing catastrophic delamination and ensuring stable performance under rapid pulsing.
| Cooling Design Parameter | Micro Channel Cooler (MCC) Stacks | Macro Channel Cooler (Macro) Stacks | Clinical Advantages (MCC) |
|---|---|---|---|
| Thermal Resistance | < 0.3 K/W per bar | ~ 0.8 - 1.2 K/W per bar | Lower operating junction temperatures. |
| Water Quality Requirement | Deionized Water (DI Water) essential | Standard pure/distilled water | Prevents micro-channel scale buildup and corrosion. |
| Pulse Energy Density | Up to 120 J/cm² peak | Maximum 40-60 J/cm² | Enables shorter pulses with higher peak power. |
| Target Lifespan | 40 to 100 Million Pulses | 10 to 20 Million Pulses | Longer system life, lowering overall cost of ownership. |
Welcome to Xi’an Prima Beauty Equipment Co., Ltd., your trusted partner in the world of high-quality beauty equipment. With over 10 years of experience in manufacturing laser beauty equipment, we take pride in being a leading beauty equipment factory, specializing in the production and research and development of cutting-edge beauty technology.
Prima Beauty Laser is known for providing a wide range of high-quality beauty equipment, such as Diode hair removal laser machine, CO2 fractional laser machine, Pico laser machine, IPL laser machine, Skin management machine, etc. With more than 10 years of aesthetic and laser experience, its head office integrates the research and development of diode lasers and solid-state lasers, including the production and manufacturer of beauty equipment sales.
By bringing semiconductor chip assembly, gold-tin soldering, precision optoelectronic alignment, and medical device manufacturing under one roof, we guarantee traceability and consistent build quality at every phase. We serve top-tier aesthetic clinics, medical distributors, and system integrators worldwide, delivering custom laser engines that match precise thermal and electrical parameters.
As a Chinese mid-to-high-end beauty equipment supplier, we prioritize customer satisfaction and offer excellent after-sales support. Our dedication to innovation and excellence has enabled us to integrate the research and development of laser chips, production, manufacturing, and sales of beauty equipment under one roof. This ensures that our customers receive the latest advancements in beauty technology, backed by our expertise and industry-leading support.
We are always a step ahead in developing new and improved beauty equipment that caters to evolving market demands. From multi-wavelength laser modules (755nm + 808nm + 940nm + 1064nm) to ultra-high-density microchannel coolers, our design architecture provides long-term thermal stability and consistent treatment outcomes.
Our commitment to quality is unwavering. Every device undergoes rigorous testing to ensure it meets our high standards before it reaches your hands. We support the customization of OEM or ODM. Whether it's beauty equipment or laser chips, we can customize it to fit your needs.
We provide ongoing training, technical support, excellent after-sales support, and client management assistance. Therefore, it can be said that our company has a complete service for you. In addition to our extensive product range, we also provide OEM/ODM services, allowing our clients to customize and brand our beauty equipment to meet their specific requirements.
Our research and assembly processes strictly follow ISO 13485 medical quality standards. This ensures every diode module, from 1-bar modules up to large-scale 70-bar arrays, meets professional performance specifications.
Our 808nm diode laser configurations are deployed across several key market segments globally:
For high-throughput medical spas, our 1200W and 1600W MCC vertical diode stacks support long operating hours. High-power systems allow rapid pulse rates (up to 10Hz) for "In-Motion" treatments, reducing treatment times while maintaining comfortable skin contact cooling.
Because diode stacks are the primary consumable in hair removal machines, handpiece repair is a growing market. We provide drop-in replacement stacks (300W to 4800W) compatible with global brands, allowing local service technicians to refurbish equipment at a fraction of the cost of buying a new handpiece.
Beyond beauty applications, our high-power vertical stacks (such as the 3500W 70-bar modules with FAC lens) are utilized as excitation sources for solid-state lasers, industrial illumination, and optical distance measurement research.
As aesthetic requirements shift toward personalized treatments, laser technology must evolve. Our R&D division is focused on the following engineering directions:
Get answers to common technical, design, and purchasing questions regarding high-power diode laser stacks.
Gold-Tin (AuSn) is a hard solder with a high melting point and excellent resistance to thermal fatigue and electromigration. Soft Indium solder tends to migrate, oxidize, and form thermal voids when subjected to high electrical currents and thermal cycling. This leads to hot spots on the diode and premature failure. AuSn solder ensures long-term power stability and a lifespan exceeding 40 million shots under proper operating conditions.
Micro Channel Coolers feature very small flow channels directly beneath the laser diode chips, offering excellent heat dissipation but requiring deionized water to prevent scale buildup. Macro Channel Coolers have larger water pathways, which reduces clogging risks and allows the use of distilled water, though at the cost of higher thermal resistance and lower peak optical power output.
A FAC lens is a micro-optic that collimates the highly divergent light coming from the laser diode's fast axis. This aligns the output light into a parallel beam with high energy density, allowing it to penetrate deeper into the skin. This improves treatment efficacy and spot uniformity, reducing energy loss at the skin's surface.
Yes. We offer standard vertical and horizontal stack configurations (ranging from 300W to 4800W) designed to fit common handpiece housings. We can also customize mounting plates, pin connections, and water flow ports to match the specifications of your existing system.
We recommend using deionized water with a resistivity of 1-10 MΩ·cm, a water temperature of 20°C to 28°C, and a flow rate of 2.0 to 4.0 liters per minute. Operating outside these ranges can lead to thermal shifts or micro-channel blockages.
Each wavelength targets different skin depths and chromophores: 755nm is highly absorbed by melanin, making it ideal for light skin and fine hair; 808nm is the classic all-rounder; 940nm targets blood vessels to disrupt nutrients to the hair follicle; and 1064nm penetrates deepest, making it safe for dark skin types. Combining them in a single stack allows you to treat a wider range of patients effectively.
Browse our additional high-power diode stacks and multi-wavelength laser modules designed for professional systems and industrial applications.
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