3000W Water Cooled QCW Diode Side-pumped Module

Product Introduction of 3000W Water-Cooled QCW Diode Side-Pump Module
The 3000W water-cooled QCW diode side-pump module is a high-power laser pump product developed by Beijing Real-Light Technology Co., Ltd. Taking the self-developed WA series water-cooled diode laser linear arrays as core components, it delivers high peak power pumping and high-gain laser output while effectively suppressing Amplified Spontaneous Emission (ASE). Boasting outstanding beam quality, compact structure and low thermal effect, it serves as a mainstream supporting pump source for solid-state laser manufacturing and is widely applied in industrial processing, medical treatment, scientific research and other fields.

Core Product Advantages and Features
Optimized for electro-optical conversion efficiency, pumping performance and operational stability, this module achieves excellent comprehensive performance and adapts to long-duration, high-load industrial and research scenarios:
1.High electro-optical conversion efficiency
Benefiting from mature laser array packaging and optical path design, the product features high energy utilization rate. It maintains excellent electro-optical conversion capacity under high-power output conditions, effectively cutting energy consumption and improving the cost efficiency of the entire laser system.
2.Uniform pump absorption
The standardized array layout combined with sophisticated optical design delivers evenly distributed laser output, enabling Nd:YAG laser crystals to absorb pump light fully and uniformly, and fundamentally guaranteeing the output stability and beam quality of the complete laser device.
3.Stable and reliable operation
Equipped with a professional water cooling system with outstanding heat dissipation efficiency, it greatly reduces heat accumulation during operation and mitigates performance degradation caused by thermal deformation. The module runs steadily in QCW mode with a low failure rate, meeting the demands of long-term continuous operation.
4.Compact structure for easy integration
Its streamlined internal layout results in a small overall size compatible with various standard solid-state laser structures. It facilitates equipment integration, assembly and subsequent maintenance, catering to mass production and diversified equipment renovation demands.

Technical Specifications
This product is available in two power ratings: 2400W and 3000W. All parameters are typical values tested at 25°C ambient temperature. Final specifications shall be subject to factory test reports, and customized services such as crystal rod wedge angle adjustment are available.
The standard pump wavelength is 808±3 nm with spectral width no more than 5 nm. The peak pump power of the two models is 2400W and 3000W respectively. Both adopt Nd:YAG laser crystals sized Φ3×75 mm and Φ4×75 mm correspondingly, each fitted with 12 laser bars. Electrically, both modules operate in quasi-continuous wave (QCW) mode with operating voltage below 24 V; their operating current is less than 200 A and 250 A respectively. The maximum duty cycle is ≤3%, the maximum pulse width is 300 μs, and the maximum repetition frequency reaches 100 Hz. In terms of heat dissipation and environmental requirements, the module adopts water cooling with distilled water as the recommended coolant. The standard water flow rate is 8~10 L/min and the water supply pressure is less than 0.5 MPa. The operating ambient temperature ranges from 10°C to 35°C, and the storage temperature ranges from -10°C to 50°C.

Main Application Fields
1.Laser Manufacturing
As a core pump source for industrial solid-state lasers, it features high peak power and superior stability, suitable for mainstream laser manufacturing processes including laser cutting, welding and marking to satisfy strict requirements of mass industrial production.
2.Biomedical Treatment
Its stable and uniform laser output meets the application standards of laser physical therapy, laser surgery, medical optical detection and other medical scenarios, acting as an essential supporting light source for medical laser equipment.
3.Material Processing
It can be used for new material modification, surface treatment, laser engraving, precision micro-processing and other applications, covering processing demands of metals, non-metals and other various materials.
4.Scientific Research
It is applicable to laser physics experiments, optical research, spectral analysis and other projects in universities and research institutes. With a wide parameter range and stable operation, it fully satisfies the working conditions of various precision scientific research experiments.

Product Customization and Service Instructions
Customization Services: Customization of crystal rod wedge angle is supported. We can make adaptive adjustments according to customers’ personalized requirements such as equipment structure and optical path design to flexibly match various customized laser system solutions.
Quality Assurance: All products undergo comprehensive and rigorous inspections before delivery. Each unit is delivered with an official factory test report to ensure all parameters meet standards and consistent product performance.
Technical Support: Supported by the company’s complete R&D, production and after-sales service system, we provide full-process technical services including product selection, system integration, water cooling scheme commissioning and equipment operation & maintenance guidance.