lasers Archive

lasersBidding open for interstellar laser sail feasability work

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The $100 million Breakthrough Starshot program has issued a request for proposals. Timeline The next 5 years to determine the feasibility of both laser and sail. (Starshot’s sail committee, a photon engine committee and a systems engineering committee.) Tthe goal …

lasersBeam propulsion background and Breakthrough starshot update

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Beamed propulsion could achieve single stage to orbit. It could be 6 to 100 times cheaper. Most of the rocket becomes payload. DARPA funded developing a heat exchanger for direct energy. They tested a microwave beam director for a 100KW …

grapheneStrained graphene for 25000 Tesla fields for table top free electron lasers and valleytronics

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Researchers are making progress to tuning and creating strained graphene where they want. This could lead to valleytronics and ultratiny free electron lasers and other applications. Strained graphene can create pseudo magnetic fields of 25,000 tesla. This is about 1000 …

futureBreakthrough Interstellar Starshot Cost and Engineering System Model

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Arxiv – Breakthrough Starshot is an initiative to prove ultra-fast light-driven nanocrafts, and lay the foundations for a first launch to Alpha Centauri within the next generation. Along the way, the project could generate important supplementary benefits to solar system …

artificial intelligenceUS Defense pushing for megawatt class lasers

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The subcommittee on Emerging Threats and capabilities met Dr. Michael Griffin undersecretary of defense for Research and Engineering on accelerating new technologies to meet emerging threats. Rapid technological advancements have the potential to change the very character of war. Michael …

air forceUS military accelerating useful combat laser testing this year for deployments 2020-2022

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Four Star General Carlton Everhart, head of Air Mobility Commmand (AMC), told Air Force Times he wants to begin exploring this capability on a KC-135 refueling tanker in 2018. He took steps to get a KC-135 to the Air Force …

futureHolographic sails fixes last technical issues for interstellar laser pushed sails

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Greg Matloff and his wife, C Bangs, have researched the use of holographic films for solar and laser pushed space sails. Matloff’s work is described at Centauri Dreams. Greg Matloff is on the Advisor’s Board of Yuri Milner’s $100 million …

energy100 Petawatt lasers could tear apart vacuum by 2023

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In 2016, the Shanghai Superintense Ultrafast Laser Facility (SULF), is a single cylinder of titanium-doped sapphire about the width of a Frisbee. achieved an unprecedented 5.3 million billion watts, or petawatts (PW). The lights in Shanghai do not dim each …

lasersPhotonic precision measurement chip shows mass production of quantum sensors is possible

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Researchers at the National Institute of Standards and Technology (NIST) have created a chip on which laser light interacts with a tiny cloud of atoms to serve as a miniature toolkit for measuring important quantities such as length with quantum …

lasersBreakthrough Propulsion Architecture gets Phase 2 NIAC funding

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The breakthrough architecture uses a kilometer-scale, multi-hundred-megawatt phased-array laser to beam power to a vehicle that converts it to electrical power for a multi-megawatt electric propulsion system that produces a specific impulse of 58,000 seconds. Such a system would enable …