Explore our certified range of high-efficiency, multi-wavelength diode laser stacks and micro-channel cooled modules engineered for high duty cycles and demanding thermal environments.
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Established with a mission to develop, refine, and manufacture high-stability optoelectronic systems, Xi'an Prima Beauty Equipment Co., Ltd. (operating globally under the brand Prima Beauty Laser) represents over 10 years of specialized manufacturing experience. Our integrated facility is dedicated to the research, development, and vertical manufacturing of semiconductor laser chips, multi-bar diode stacks, and comprehensive industrial laser application modules.
Our foundation rests on bridging the gap between high-power optoelectronic component packaging and system-level applications. While our technologies serve the advanced aesthetic industry, including Diode hair removal systems, CO2 fractional lasers, Pico lasers, and IPL platforms, our technological core is profoundly industrial. We specialize in producing state-of-the-art Micro-Channel Cooled (MCC) and Macro-Channel Cooled (FCP) diode stack architectures designed for DPSS laser pumping, selective material processing, high-density illumination, and micro-welding processes.
By leveraging deep physics-level R&D and advanced cleanroom packaging, Prima Beauty Laser delivers custom power envelopes ranging from 300W to over 4800W. Our high-power semiconductor architectures offer precise emission spectra spanning 755nm, 808nm, 940nm, to 1064nm, ensuring optimal spectral coupling efficiency for any high-performance industrial or clinical system.
Innovating at the interface of thermodynamics, solid-state physics, and precision optical design to define the future of high-power diode laser stacks.
Our roadmap prioritizes Micro-Channel Cooler (MCC) technology. By utilizing highly engineered copper heat sinks with internal micro-structured channels (width < 100 µm), we minimize thermal resistance to < 0.3 K/W per bar. This ensures stable junction temperatures even at high duty cycles, preventing wavelength shifting and optical power degradation.
To completely eliminate the risk of indium migration, solder fatigue, and voiding, our manufacturing line has transitioned to AuSn hard solder eutectic bonding. This high-reliability process supports continuous wave (CW) operation, vastly extending the operational lifespan of the diode stacks to over 30 million shots.
We are perfecting spatial and polarization beam combination to stack multiple bars closer together. With micro-optical Fast Axis Collimators (FAC) and Slow Axis Collimators (SAC) directly integrated on each bar, we achieve divergence profiles below 3 mrad, optimized for coupling into optical fibers with core diameters as small as 105 µm.
By integrating 755nm, 808nm, 940nm, and 1064nm into single co-axial stacks, our future systems address the industrial need for multi-absorptive processing profiles. In additive manufacturing and powder sintering, multi-wavelength configurations yield far superior energy absorption profiles compared to single-wavelength solutions, paving the way for processing highly reflective materials like copper and aluminum.
Bridging high-power semiconductor laser emission with industrial scalability across aerospace, manufacturing, and clinical equipment deployment.
Industrial Nd:YAG and Ytterbium-doped fiber lasers require high-reliability optical pumps. Our diode stacks provide narrow-spectrum 808nm and 940nm emissions designed specifically to match the absorption bands of these solid-state crystal matrices. Using precision-stacked arrays, we provide the raw optical power necessary to excite active laser mediums with minimal thermal waste.
Through active micro-channel cooling, we prevent spatial spectral shifting, allowing systems to maintain peak efficiency throughout long production runs without requiring complex dynamic temperature tracking controllers.
For applications such as selective surface hardening, polymer welding, and cladding, the highly uniform intensity distribution (flat-top beam profile) of our high-power diode stacks offers clear advantages over traditional gas or fiber lasers. Direct diode systems minimize thermal distortion and maximize process stability.
Whether processing thermoplastic composites or performing thin-sheet steel metal brazing, our custom modular arrays provide the high optical density and flexible rectangular beam geometries required to optimize material absorption.
Aesthetic devices represent one of the most demanding applications for diode stacks due to the rapid thermal cycles required for pulse treatments. Operating in quasi-continuous wave (QCW) mode, our stack packages (from 300W up to 4800W) deliver the high peak powers required for photothermolysis while maintaining cooler substrate temperatures via MCC technology.
This same underlying hardware handles industrial cosmetic handpiece repair, giving third-party maintenance organizations access to military-grade replacement stacks for Alma, Lumenis, and other leading global brands.
Combining vertically integrated component fabrication with localized supply systems to deliver high-reliability laser solutions.
Operating out of Xi'an—the heart of China's optoelectronics R&D corridor—our production facility is built to modern Industry 4.0 protocols. Unlike modular assemblers who purchase off-the-shelf parts, Prima Beauty Laser controls the entire packaging process: from raw semiconductor wafer cleaving, sub-mount preparation, and gold-tin metallization, to micro-channel cooler etching and alignment optics integration.
This vertical integration ensures unparalleled supply chain resilience. By standardizing high-volume components, we mitigate geopolitical raw material disruptions and logistics bottlenecks, offering our global clients highly competitive lead times (often under 2 weeks for custom-configured stacks) and stable pricing structures.
Additionally, our factory utilizes automated optoelectronic characterization stations. Each diode stack is subjected to a rigorous 72-hour burn-in phase, where current profiles, voltage drops, electro-optical conversion efficiency, and spectral peaks are cataloged in a digital trace database, guaranteeing 100% component compliance before shipping.
| Production Phase | Equipment & Standards | Target Parameter Control |
|---|---|---|
| Wafer Cleaving & Sorting | Semi-Automated Cleavers | Strict threshold current matching (< 0.5A deviation) |
| Eutectic Mounting | AuSn Eutectic Soldering Chambers | Void ratio under 1% to ensure optimal heat dissipation |
| Micro-Optics Alignment | 6-Axis Automated Aligners | FAC pointing error < 1 mrad |
| Burn-In Qualification | Multi-channel Aging Stations | Zero power drop over continuous 100,000 pulse run |
A reference checklist for senior procurement officers and system engineers designing high-power diode laser systems.
For custom pumping or aesthetic applications, specify the exact peak wavelength at nominal operating temperature (typically 25°C or 35°C). Our thermal wavelength shift coefficient is ~0.3 nm/K, which allows for precise tuning through coolant temperature management.
Micro-channel coolers feature narrow internal channels susceptible to scaling and erosion. Global buyers must utilize deionized (DI) water with a conductivity between 1 to 3 µS/cm. A micro-filter (<5 µm) must be integrated into the closed-loop chiller system.
Our diode stacks require constant-current, low-ripple drivers with fast rise/fall times (< 1 ms) to prevent transient voltage spikes. Protect your investment by ensuring the power supply includes reverse-bias protection diodes.
| Nominal Stack Power | Center Wavelength Options | Operating Current (Typ.) | Threshold Current (Typ.) | Typical Operating Voltage | Cooling Mechanism |
|---|---|---|---|---|---|
| 300W - 600W Stack | 755nm, 808nm, 1064nm | 50A - 60A | 8A - 10A | 10V - 12V | Micro-Channel (MCC) / Macro-Channel |
| 1000W - 1600W Stack | 808nm, Multi-Wavelength Combo | 80A - 100A | 12A - 15A | 20V - 24V | High-Flow MCC Copper Substrate |
| 2400W - 4800W Array | 808nm, 940nm, 1064nm Dual Row | 100A - 120A | 15A - 18A | 40V - 48V | Double-Row High Dissipation MCC |
Navigating global compliance protocols is critical for medical device manufacturers and industrial system integrators. Prima Beauty Laser products are designed, built, and certified to meet international safety and performance criteria.
Our facilities are fully compliant with ISO 13485 (Medical Devices Quality Management Systems) and ISO 9001. Our diode stacks and laser modules are CE-certified, guaranteeing safety, electrical shielding, and thermal containment stability. For system integrators in the EU and Americas, we provide full technical documentation to support FDA 510(k) applications and CE medical device registrations (MDR).
To support global field integrations, we maintain a dedicated network of service points. If you require replacement stacks for repair operations, our technical support engineers provide detailed pinout diagrams, flow rate requirements, and mounting tutorials to ensure seamless mechanical and optical integration into existing systems.
Addressing core thermodynamic, electrical, and integration questions from industry professionals and technicians.
A: Micro-Channel Coolers (MCC) feature micro-etched channels in copper plates directly underneath each diode bar, allowing the coolant to pass close to the active junction. This yields a very low thermal resistance (<0.3 K/W), enabling higher power densities and duty cycles. Macro-channel coolers use larger channels to allow for less restrictive water quality and higher flow rates, but they exhibit higher thermal resistance, suitable for lower power or pulsed systems.
A: Combining wavelengths allows systems to target different energy absorption depths simultaneously. In aesthetic hair removal, 755nm targets shallow melanin, 808nm matches deep hair follicles, and 1064nm penetrates deepest to hit the bulb's vascular feed. In industrial processing, combined wavelengths optimize absorption across different layers of composite materials or multi-layer polymers.
A: The leading causes are thermal overload, solder migration (indium creep), and optical feedback. We prevent these by using gold-tin (AuSn) eutectic solder, which does not creep or suffer from thermal fatigue, and by optimizing micro-channel thermal design. Additionally, we integrate FAC lenses with high-performance anti-reflective (AR) coatings to minimize back-reflections.
A: Yes. Our stacks are designed with standard mechanical dimensions and pitch configurations. We produce replacement stacks (e.g., MCC 500W to 1200W) that are pin-to-pin compatible with major systems such as Alma Laser, Lumenis Lightsheer, and various Chinese-manufactured beauty platforms. We provide customized adapter blocks when required.
A: Micro-channel coolers use thin copper walls. If coolant conductivity is too high (>5 µS/cm), galvanic corrosion occurs, thinning the micro-channels and causing catastrophic internal water leaks. If water purity is too high (ultra-pure water, <0.1 µS/cm), the water becomes highly aggressive and dissolves copper ions. We recommend keeping conductivity strictly between 1 to 3 µS/cm.
A: We can customize the number of bars per stack (from 3 up to 16+ bars), bar-to-bar pitch (typically 0.4mm to 2.0mm), center emission wavelengths, micro-optical collimation (FAC/SAC), mechanical cooling port orientation, and overall structural housing dimensions to meet your system envelope requirements.
Direct factory-direct supplies for high-power replacement parts, custom integration projects, and large-scale manufacturing installations.
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