The ALS LED Light Source is a cutting-edge, compact handheld device designed specifically for professionals in the aerospace industry. Engineered by Arden Photonics Ltd, this light source facilitates precise insertion loss testing of multimode optical fiber systems. Its primary feature is the ability to provide stable 85/85% launch conditions, which are essential for accurate multimode fiber measurements. This makes the ALS an indispensable tool for those requiring high precision and reliability in their optical testing processes. Designed for Aerospace Excellence The 85/85% modal launch condition offered by the ALS LED Light Source is a critical requirement in the aerospace sector. This specific launch condition is widely recognized and employed by leading aerospace manufacturers, such as Airbus, for the certification of optical fiber harnesses. The ALS ensures that users can achieve consistent and repeatable results, thereby meeting the stringent standards set by the industry. Its robust design and ease of use make it a preferred choice for professionals who demand the highest quality in their fiber optic testing equipment. Unmatched Performance and Convenience Equipped with either a 1300nm or 850nm LED, the ALS LED Light Source is compatible with both 62.5/125 µm and 50/125 µm fibers. Its built-in rechargeable Li-Ion battery offers an impressive 48-hour continuous life, ensuring that users can rely on the device for extended testing periods without frequent recharging. The compact dimensions and lightweight design enhance portability, making it an ideal tool for fieldwork. With its excellent optical power stability and durable ABS casing, the ALS LED Light Source is engineered to withstand the demands of rigorous testing environments while delivering precise and reliable performance.