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High-Power Laser Diode Modules & Stacks

Explore our engineered laser components optimized for picosecond control circuits and aesthetic device manufacturing integrations.

Xi'an Prima Beauty Equipment Factory

Company Profile: Authority in Laser Technology

Xi'an Prima Beauty Equipment Co., Ltd.

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, research, and development of cutting-edge optical and laser technologies.

Prima Beauty Laser is known for providing a wide range of high-performance beauty equipment, such as Diode hair removal laser machines, CO2 fractional laser systems, Pico laser machines, IPL systems, and clinical skin management solutions. With more than 10 years of aesthetic and industrial laser experience, our main facility integrates the end-to-end research and development of diode lasers and solid-state lasers, ensuring top-tier optical precision, chip packaging, and finished-system compliance.

10+

Years Laser R&D Experience

3500W+

Peak Diode Power Outputs

CE/ISO

Certified Global Quality Standards

100+

Global Distributorships & Service Centers

Picosecond Laser Technology Roadmap

Understanding the physics of ultrashort pulse duration and how our diode technologies power the next generation of aesthetic systems.

The Evolution: From Photothermal to Photoacoustic Destruction

Traditional laser technologies operate on a nanosecond scale, delivering photothermal energy that heats the target tissue and surrounding cells. While effective, this mechanism increases the risk of thermal damage, hyperpigmentation, and patient discomfort. In contrast, picosecond lasers compress the pulse width down to the trillionths of a second (ps).

This ultra-short pulse duration produces high-intensity photoacoustic shockwaves that pulverize targeted tattoo inks or melanin deposits into microscopic particles. The lymphatic system then eliminates these particles with far greater efficiency. This process requires extremely stable optical excitation sources, which is why our high-power diode stacks are engineered to deliver precise, high-current pulses without thermal sagging.

Our R&D roadmap focuses on three critical pillars: minimizing thermal stress via Micro-Channel Cooling (MCC), maximizing peak power density up to 4800W, and improving beam uniformity through advanced Fast Axis Collimation (FAC) lens integration.

Technical Parameter Comparison

Parameter Nanosecond Systems Our Picosecond Tech
Pulse Width 5 ns – 20 ns 450 ps – 750 ps
Primary Mechanism Photothermal (Heat) Photoacoustic (Mechanical)
Peak Power Potential Moderate Gigawatt Levels
Thermal Damage Risk Higher (Side effects) Minimal (Safe for skin type IV-VI)
Cooling Technology Macro Channel Water-Cooled Micro Channel Cooler (MCC) / Gold Tin

Why Choose Xi'an Prima Beauty Equipment

We deliver industry-leading advantages in technology, quality assurance, and bespoke OEM/ODM manufacturing capability.

Advanced Technology

As a leading Chinese supplier, we integrate the R&D of high-power laser chips, diode packaging, and precision optical assemblies under one roof. Our FAC lens integrations and micro-channel coolers protect performance under high repetition rates.

Rigorous Quality

Quality is our non-negotiable standard. Every single component—from our vertical diode stacks to custom laser handles—undergoes a comprehensive aging process, pressure testing, and multi-wavelength output calibration before shipping.

Tailored OEM/ODM

Whether you require specific aesthetic shell designs, multi-wavelength diode stack configurations (755nm/808nm/1064nm), customized cooling capacities, or custom-branded software interfaces, our engineering team handles it all.

Macro Industry Solutions

How our laser technologies solve practical challenges across medical, aesthetic, and industrial sectors.

Clinical Aesthetic Dermatology

Our Picosecond laser technologies enable practitioners to offer precise treatment options for recalcitrant multicolor tattoos, benign pigmented lesions (such as melasma, nevus of Ota, solar lentigines), and acne scars. The photoacoustic effect promotes deep dermal collagen remodeling without significant downtime or epidermal injury.

Industrial Pump & Optical Measurement

Beyond clinical aesthetics, our high-power vertical stacks, such as the 3500W 808nm diode module with FAC lens, serve as powerful pumping sources for solid-state picosecond/femtosecond laser cavities. These are critical components in industrial laser marking, distance detection, and micro-machining environments.

China Factory 4.0: Supply Chain Resilience

Why manufacturing in Xi'an, China, offers global clients unmatched cost control, engineering precision, and reliability.

The manufacturing ecosystem of Xi'an Prima Beauty Equipment Co., Ltd. leverages the unique industrial clusters of Xi'an, a major hub for optical and optoelectronic research in China. This location allows us to maintain direct relationships with semiconductor suppliers and glass substrate manufacturers, mitigating supply chain disruptions.

Our production facilities utilize automated gold-tin (AuSn) soldering machines to package vertical diode stacks. Compared to traditional indium-soldering methods, gold-tin soldering provides significantly better thermal fatigue resistance, eliminating the risk of solder migration and extending stack lifespans beyond 20-30 million shots.

Furthermore, our integrated cleanrooms control particulate contamination, ensuring that the critical Fast Axis Collimator (FAC) lenses and micro-channel coolers remain clean. This vertical integration means we can offer competitive price points while maintaining strict compliance with international standards.

Global Compliance & Certificates

Operating under strict quality control standards to deliver certified equipment worldwide.

Our manufacturing and assembly processes are certified under strict international medical device standards. We understand the regulatory pathways required by global distributors. By providing comprehensive CE documentation, electrical safety certificates, and cleanroom reports, we streamline your customs clearing and local registration processes.

Quality Standard Certificate
Aesthetic Laser Certificate
Laser Diode Certification

Global Enterprise Procurement Guide

Key criteria for selecting laser manufacturers and custom stack assemblies.

1. Diode Stack Structure

Decide between Micro-Channel Cooler (MCC) and Macro-Channel structures. MCC stacks utilize internal cooling channels directly beneath the diode bars, permitting high average power and preventing thermal damage. Macro-channel models are more cost-effective and easier to maintain in areas with hard water.

2. Wavelength Integration

Aesthetic devices benefit from combining multiple wavelengths (755nm, 808nm, 940nm, 1064nm). Ensure the manufacturer has the capability to bundle these wavelengths onto a single vertical stack array with uniform power distribution.

3. Repair & Compatibility

For operations involving handle repairs, source diode stacks that match the mechanical footprints of major global brands (such as Alma, Lumenis, or Cynosure). Our OEM replacement stacks are engineered to fit standard handles seamlessly.

Frequently Asked Questions (FAQ)

Expert technical answers for distributors, procurement managers, and clinical operators.

1. What is the key advantage of gold-tin (AuSn) soldering over indium soldering in laser stacks?
Gold-tin soldering provides significantly higher thermal stability, resistance to oxidation, and mechanical strength than indium soldering. Under the high repetition rates typical of aesthetic and picosecond lasers, indium solder is prone to "indium migration," causing electrical shorts and premature diode failure. Gold-tin interfaces prevent this degradation, extending stack life to over 30 million pulses.
2. How does a micro-channel cooling (MCC) system prevent diode stack failure?
MCC systems utilize microscopic water channels directly inside the copper heat sink of the laser stack. This configuration places the coolant within micrometers of the laser junction. Heat dissipation is exponentially more efficient than in macro-channel coolers, keeping the junction temperature low even at high pulse frequencies. This allows the laser to operate continuously without thermal power degradation.
3. Can you customize diode stacks for third-party handle repairs?
Yes, we specialize in OEM/ODM diode stacks configured specifically for third-party handle repair (such as Alma Soprano, Lightsheer, and others). We can customize the physical mounting dimensions, the number of laser bars (from 3 to 24 bars), the power levels (300W to 4800W), and the wavelength combinations (755nm, 808nm, 940nm, 1064nm).
4. Why is a Fast Axis Collimation (FAC) lens important for high-power laser modules?
Diode laser beams diverge rapidly along the fast axis. An integrated FAC lens collimates this light into a highly dense, uniform, and parallel beam profile. This improves the coupling efficiency into light guides, optical fibers, or treatment handpieces, ensuring optimal energy density at the target site.
5. What warranties and technical support do you offer to international buyers?
All our standard diode stacks and complete laser platforms come with a comprehensive warranty (typically 12 to 24 months, depending on the product line). We supply complete technical integration manuals, software SDKs for OEM buyers, and real-time remote video engineering support to assist you with installation, maintenance, and clinical optimization.
6. What lead times should global procurement managers expect for custom manufacturing?
For standard replacement diode stacks and components, our lead time is 3 to 7 business days. For customized OEM/ODM platforms, multi-wavelength stacks, or custom enclosures, design and prototyping take 3 to 4 weeks, with bulk production scaling to delivery in 4 to 6 weeks.