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Owlstone Photography Competition at the Department of Engineering 2007 entries

Mr. Tao Zhang and Dr. Martin Sparkes: “Micro-Mountains” on a laser cut steel surface
Mr. Tao Zhang and Dr. Martin Sparkes: “Micro-Mountains” on a laser cut steel surface

Mr. Tao Zhang and Dr. Martin Sparkes
“Micro-Mountains” on a laser cut steel surface

The image is the surface profile of approximately 1900 x 2500 µm, the “Mountains are between 10 and15 µm high!. The material is low grade mild steel (CR4), and cut with a high power fibre laser. A Veeco White light interferometer was used to generate the digital image.

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