Application and Countermeasures of Fiber - Optic FPV Drones

July 25, 2025

 Ukraine's latest fiber - optic drones are capable of penetrating enemy positions in unexpected locations. Currently, the military, engineers, and manufacturers have gathered to test new products from the BRAVE1 cluster organization, aiming to advance Ukraine's military technology.​

 According to developers, fiber - optic drones offer better reliability. They cannot be suppressed by electronic warfare and can transmit better - quality images from their cameras. The optical fiber itself is extremely strong when stretched but easily breaks when bent.​

 However, professional engineers have found that fiber - optic drones are not as powerful as they are said to be by the outside world. They have the following shortcomings:​

They belong to the category of external pay - off drones with a relatively long inner shaft. This leads to a problem where the optical fiber at the bottom cannot be fully released. As the fiber out speed continues to increase, the resistance grows, and there is a possibility of fiber breakage.
​Judging from the text description on the wing, A2 bare fiber is used. The wear resistance of this optical fiber is not strong, and it is impossible to ensure the condition of the dropped optical fiber on the ground over such a long distance.
​Looking at the pay - off method in the picture, the fiber is released vertically from above the tail. When the fiber is paid out quickly, it will be stretched straight. Excessively large angles at the corners can cause blurred images, increased line loss, and even more serious situations.​

 Therefore, the technological development of fiber - optic drones still requires time to accumulate.

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