EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 62595-2-4 testing. IEC EN 62595-2-4 specifies electro-optical measurement methods of multiple laser devices and laser modules with one optical output for a variety of displays and display lighting applications that require photometric and colorimetric measurements covering the wavelength range of 380 nm.
The module has multiple laser devices such as edge emitting laser diodes (LDs), vertical gap surface emitting laser diodes (VCSELs), or photon upconversion laser devices including second harmonic generation (SHG). The module has an optical output such as an optical fiber, waveguide, light guide, lens unit or other optics emitting a laser beam, combining the output of multiple laser devices.
Generally, laser modules are used in optical communication, laser beam processing, barcode reading, optical disk drives, etc. It is widely used for various applications such as The laser module in this document is limited to imaging applications. Laser displays, laser backlight/front light units for liquid crystal displays (LCDs), holographic displays, etc. It is an important light source for
Optical output is usually provided by an optical component such as a braided fiber, a fiber with connectors, a waveguide, a light guide, or a lens unit for users' convenience.
In advanced imaging applications, not only visible laser diodes are included, but also module near infrared (near IR) laser diodes for sensor applications such as the LiDAR system (light detection and distance determination or laser image detection and distance determination).
Standardizing the electro-optical measurement methods of laser modules is important for the design of the above imaging systems and devices. Photometric and colorimetric measurements are particularly important for imaging applications because each LD has different electrical and optical performances, such as threshold currents, efficiency, spectrum, far-field pattern (FFP) of the output laser beam, speckle-related behaviors, and their temperature dependence.
EUROLAB assists manufacturers with IEC EN 62595-2-4 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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