A 5W laser module can help you meet the energy and precision requirements of industrial UV processing, but choosing the right light source involves more than checking output power. Wavelength, fiber compatibility, operating voltage, and optical integration all affect how well a laser performs in your equipment. If you are developing an LDI exposure system, a UV curing machine, or an industrial 3D printer, a suitable 405nm laser source can support photoresist exposure and photopolymer curing applications.
The BU-LASER 105µm Violet 405nm 5W Space Coupling Fiber Laser Module (SKU: LY405-5W-FF105) combines a 405nm wavelength with 5W nominal output power and a compact housing. Dongguan Blueuniverse Laser Co., Ltd. develops semiconductor laser diodes and laser modules for industrial applications, offering OEM/ODM services to help you match the light source to your equipment requirements.
Why Choose a 5W Laser Module with 405nm Wavelength?
A 405nm laser operates in the violet, near-UV region and suits applications that use light-sensitive materials. However, actual processing results depend on material response, optical design, exposure conditions, and system calibration.
The BU-LASER space coupling fiber laser module offers several features for industrial integration:
- 405nm wavelength: Supports photoresist exposure, UV curing, and compatible photopolymer processing.
- 5W nominal output power: Provides a high-power light source for equipment designed around this power range.
- Space coupling design: Uses an optical lens group to couple laser output into a multimode optical fiber.
- 105µm fiber core compatibility: Supports optical system designs using the specified fiber core diameter.
- Compact housing: Measures 53.8 × 25 × 16mm, with customization available.
- Flexible fiber interface: FC connector or SMA 905 options are available, subject to configuration.
These specifications help you evaluate whether the module fits your optical path, mechanical layout, and operating requirements before purchasing.
Applications of the 405nm 5W Laser Module
1. Laser Direct Imaging (LDI) and PCB Exposure
PCB manufacturers use laser direct imaging systems to expose photoresist according to circuit pattern data. A 405nm laser source can support compatible exposure systems, including applications involving solder mask processing.
When evaluating a laser module for LDI, consider the resist’s spectral sensitivity, required exposure dose, scanning speed, and optical uniformity. You should also validate the module under your actual production conditions rather than relying on wavelength and power alone.
2. UV Curing and Solder Mask Curing
UV curing equipment uses light to initiate or accelerate reactions in compatible formulations. A 405nm source may suit selected adhesives, coatings, resins, and solder mask materials.
Before integration, confirm that your material responds effectively at 405nm. You should also evaluate working distance, exposure time, thermal management, and the required curing depth.
3. UV 3D Printing and Microfabrication
In SLA or other photopolymer-based systems, the laser must match the resin’s curing characteristics and the printer’s optical design. A 5W laser for 3D printer applications may be suitable when the equipment is engineered for the module’s wavelength, power, and beam-delivery arrangement.
The final resolution depends on the complete optical system, scanning mechanism, resin properties, and exposure parameters—not output power alone.
Key Specifications of the BU-LASER 5W Laser Module
| Parameter | Specification |
|---|---|
| Product model | LY405-5W-FF105 |
| Wavelength | 405nm ±5nm |
| Nominal output power | 5W |
| Listed output range | 4–5.2W CW |
| Working voltage | 16.5–18V |
| Fiber core diameter | 105µm |
| Fiber interface | FC connector / SMA 905, customizable |
| Housing size | 53.8 × 25 × 16mm, customizable |
| Optical lens | Glass |
| Listed lifespan | 10,000 hours |
| Main applications | LDI exposure, UV curing, UV 3D printing |
The standard product is supplied without an optical fiber. Contact BU-LASER to confirm fiber availability, connector configuration, and compatibility with your equipment.
How to Select the Right 5W Laser Module
Follow these steps before integrating a laser source into your equipment.
- Confirm the wavelength. Check whether your photoresist, resin, adhesive, or coating responds to 405nm light.
- Calculate the required optical power. Evaluate exposure dose, processing speed, optical losses, and the power delivered to the workpiece.
- Check fiber compatibility. Confirm the 105µm core diameter, fiber type, connector, and required cable length.
- Verify electrical and mechanical fit. Ensure that your power supply supports 16.5–18V and that the 53.8 × 25 × 16mm housing fits your equipment.
- Test the complete system. Validate output stability, beam delivery, thermal performance, and processing results under representative operating conditions.
This process reduces integration uncertainty and helps you identify configuration requirements before placing an OEM or ODM order.
BU-LASER Manufacturing Experience and Customization
Founded in 2010, Dongguan Blueuniverse Laser Co., Ltd. integrates laser research and development, production, and sales. The company supplies semiconductor laser diodes, laser modules, and fiber-coupled laser products across a stated wavelength range of 375–980nm.
BU-LASER reports more than 80 patents, including 14 invention patents, and implements the ISO 9001:2015 quality management system. The company also lists TUV, BV, and SGS-related certifications or credentials; confirm the specific certificate and its scope when required for supplier qualification.
For equipment manufacturers, OEM/ODM services can support discussions about:
- Customized housing dimensions and optical interfaces.
- Wavelength and output-power requirements.
- Electrical integration and operating conditions.
- Fiber selection and application-specific configurations.
Contact the technical sales team with your equipment specifications to determine whether the LY405-5W-FF105 or a customized laser module fits your project.
FAQ
1. What is a 5W laser module used for?
Depending on its wavelength and optical configuration, a 5W laser module can serve industrial exposure, curing, material processing, or other compatible applications. This 405nm model is intended for applications such as LDI exposure, UV curing, and UV 3D printing.
2. Does the BU-LASER 405nm module include an optical fiber?
No. The standard product is supplied without a fiber. You should confirm the required fiber core, connector type, and cable length with BU-LASER before ordering.
3. Can BU-LASER customize the laser module?
Yes. BU-LASER offers OEM/ODM services. Housing dimensions and fiber interfaces are listed as customizable options, while other requirements should be confirmed with the company before production.
Conclusion
Choosing the right 5W laser module requires matching wavelength, output power, fiber coupling, and electrical specifications to your actual processing system. The BU-LASER 405nm space coupling fiber laser module offers a compact 5W nominal-output option for compatible LDI exposure, UV curing, and UV 3D printing equipment, backed by the manufacturer’s laser development and OEM/ODM capabilities.
If you are developing a new machine or upgrading an existing optical system, contact Dongguan Blueuniverse Laser Co., Ltd. at song@bu-laser.com or +86 13713250894. Share your application, required wavelength, optical power, fiber configuration, and installation dimensions to discuss a suitable configuration for your project.
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