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International Research Progress of Water-Guided Laser Technology
As one of the most outstanding technological innovations of the 20th century, laser technology has undoubtedly had a profound impact on the modernization process. What deserves our attention in particular is the extremely special water-guided laser technology. This technological breakthrough has brought great help to the expansion of materials processing, inspection and measurement, national defense and military and life science fields. Today, let me lead you to understand the current research status of water-guided laser technology overseas.
Looking back at history, water-conducting lasers have emerged as early as the Renaissance of the last century. It was not until 1886 that it really attracted academic attention. Professor Colladon described the application scenario of water-conducting lasers in detail for the first time in his research report. However, the actual application of water-conducting lasers still remained in the theoretical exploration stage.
It was not until 1993 that a Swiss scientific research team successfully applied it to the processing of specific materials. They cleverly used high-pressure flowing water to guide the focused laser beam, so that the laser can achieve total reflection in the water, thus confining its energy inside the water beam, thereby achieving precise manipulation of the surface of the object to be processed. In this process, the water beam not only assumes the task of guiding the laser, but also plays the role of coolant.
In 2002, Tomokazu et al. conducted in-depth research on femtosecond laser micro-nano three-dimensional processing technology and successfully produced three-dimensional microstructures with a spatial resolution of up to 100 nanometers. Although the results of this research are excellent, the requirements on the materials to be processed are extremely high, resulting in a scarcity of available materials.
In order to solve this problem, the SYNOVA company in Lausanne, Switzerland, came into being. This company is committed to developing water-guided laser-related equipment and has successfully applied it to the processing of a variety of precision materials. It is worth mentioning that Dr. Bernold successfully obtained a U.S. patent for water-guided laser processing equipment in 1997, which marked the foundation for the development of water-guided laser processing.
Since then, researchers from various countries have realized the broad uses and prospects of water-guided lasers, and have invested in deeper research. Among them, the stability of water jets, micromachining of water-guided lasers, and the interaction between lasers and water flow have become the focus of research.
In 2004, Dr. Akos Spiegel conducted in-depth research on the phenomenon of nonlinear stimulated Raman scattering after laser light is coupled into a water beam. He found that when the distance between the laser source and the processed material increases, the nonlinear stimulated Raman scattering effect produced by the higher-power laser becomes weaker, and the corresponding changes in the water beam fiber become more significant. This research result provides an important basis for selecting appropriate working distance and laser power in the future, and also lays a solid foundation for in-depth discussion of the relationship between laser and water jet.
In the same year, Dr. Philippe Conuty also conducted research on the relationship between lasers and water jets. He revealed the rules of laser transmission in fine water jets and clearly pointed out that the transmission characteristics of laser in water beams and the transmission characteristics in optical fibers have many commonalities, both involving the uniform and symmetrical distribution of laser energy. In addition, he also emphasized the close connection between laser energy distribution and aperture size, which provided an important reference for nozzle aperture setting.
Overseas research on water-guided lasers started early and developed rapidly. The research content mainly focuses on improving the parameters and performance of the water-guided laser itself, aiming to further improve the technical level of the water-guided laser so that it can be applied in a wider range of high-end technology fields.
With the continuous advancement of science and technology, I believe that water-guided laser will show its unique charm in more fields. Let us look forward to it continuing to contribute to the prosperity and development of human society in the days to come!
Application Areas & Industry Applications Ultra-precise, Non-destructive, and Widely Compatible
Water-guided lasers have overcome the challenges of cutting difficult-to-machine materials such as ceramics, diamonds, and composite materials!
No heat-affected zone + no tool wear, unlocking new application scenarios for specialty materials and helping you develop new high-value-added businesses!
Comparison Table 2
Showcase your unsynchronized data in a visual way and enhance usability.
Teknik parametreler
- Marka: Dowell Lazer
- Laser type: DPSS Nd: YAG, pulsed
- Average power: 50, 100, 200, 400w
- Wavelength: 532 nm
- Fiber optic transmission: 100um-200um core diameter
- Linear axis XY: Linear motor
- CNC control (Bosch-Rexroth): 2.3.4.5 axes
- Acceleration (X, Y): 1G
- Maximum XY speed: 1000 mm/s
- Water jet nozzle diameter: diode pumped solid state Nd: YAG, pulsed
- Pump type: Pneumatic pressure transmitter pump
- Weight (equipment cabinet): 700-750 kg
- Laser cooling water flow l/min: maximum 8-32 (depending on laser power)
Advantages of water laser cutting
The use of a cylindrical laser beam during the cutting process reduces material waste, has a narrow kerf, and has no taper on the sidewalls, which improves efficiency and cost-effectiveness.
Because water jet cooling is used, there is no thermal impact during the processing, eliminating the risk of changing material properties during processing.
Ultra-precision tools, no cracks during the processing, ensure that your end product meets the highest quality standards.
Our non-contact processing technology ensures low operating costs.
Our technology can drill holes with aspect ratios up to 1:20 (diameter to depth) without sidewall taper.
Oxides such as alumina and zirconium oxide or non-oxides such as SiC, B4C, CBN, AlN, SiN and GaN as well as composites (CMC) for various applications can be processed.
Multi-axis water-guided laser machining center machine tool
green laser line generator
Laser cutting head with coupling chamber
Marble body rack
High pressure water supply system
Optical transmission device
Body sheet meta
SSS
How much is water guided laser cutting machine price
The price of a water guided laser cutting machine
How does water improve the laser cutting process?
Water helps in cooling the material and laser optics, reduces smoke and debris, and can increase cutting precision by minimizing heat distortion and improving the overall cutting quality.
Are there any maintenance requirements for a water guided laser cutting machine?
Evet, regular maintenance includes checking and replacing the water, cleaning the optics, ensuring the cooling system is functioning properly, and inspecting for any wear and tear on components.
What power levels are available for water guided laser cutting machines?
Power levels vary widely, typically ranging from a few hundred watts to several kilowatts, depending on the machine’s design and the material being cut.




