China Appears to be Charting New Horizons with the Development of Laser-Powered Submarines.
This advancement was reported by the South China Morning Post, stemming from research conducted by Harbin Institute of Technology.
The idea involves enhancing the propulsion system of submarines, which first emerged two decades ago in Japan, but has only recently begun to take shape. This technology utilizes a 2-megawatt laser, transmitted through tiny optical fibers surrounding the submarine.
This technology promises to revolutionize naval propulsion systems and has civilian applications as well (Photo: Reddit).
This device will create plasma in the water, causing shock waves and propelling the submarine forward with an impressive force, estimated to reach up to 70,000 newtons.
But that’s not all: laser propulsion also generates a phenomenon known as “super cavitation”, causing the water around the submarine to vaporize and create air bubbles. This air cushion significantly reduces friction, theoretically allowing the submarine to exceed the speed of sound.
Despite these remarkable advancements, this technology is not yet ready to be deployed on nuclear submarines.
Researchers must overcome several challenges, such as the thermal dissipation of optical fibers, their resistance in seawater, and the integration of these systems with soundproofing materials.
The research team, led by scientist Ge Yang from Harbin Institute of Technology, has made significant progress in improving the conversion efficiency of lasers into thrust.
They reported being inspired by the aerospace industry to optimize the propulsion system, reduce energy loss, and minimize friction.
The potential applications of this technology, experts believe, extend beyond submarines, opening possibilities for weaponry, missiles, and underwater torpedoes by enhancing their operational range in marine environments through super cavitation.
However, for submarines to operate at supersonic speeds, many challenges remain, including thermal control, the durability of optical fibers, and their integration into existing structures.
Additionally, the impact of cavitation bubbles on submarines remains uncertain, as they may affect the stealth capabilities of these vehicles.
This technology is poised to not only revolutionize naval propulsion systems but also offer significant civilian applications.
