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      CommentAuthorTrim
    • CommentTimeOct 18th 2019
     
    HARP 3D printer set to ‘revolutionise manufacturing’.

    https://www.theengineer.co.uk/harp-3d-printing-northwestern/

    Wow printing a new body in an hour.
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      CommentAuthorTrim
    • CommentTimeNov 4th 2019
     
    3D printing has potential to cut cost of optical silica fibres.

    https://www.theengineer.co.uk/3d-printing-optical-fibres/
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      CommentAuthorAngus
    • CommentTimeNov 4th 2019
     
    Interesting. Preforms are normally made by a process that amounts to burning gaseous silicon compounds. That way you get chemically pure silica soot, and it's the purity that counts for low attenuation. I am wondering how they maintain that.

    I don't understand the remark about asymmetry. Can be done already.