Trumpf Laser Uk. Limited

Stephen John Keen

Malcolm Paul Varnham

Mikhail Nickolaos Zervas

Christophe Andre Codemard

Iain Botheroyd

Andrew Malinowski

Apparatus for laser processing a material (), comprising a laser (), an optical fibre (), and a coupler (), wherein: the laser () is connected to the optical fibre (); the optical fibre () is a multimode optical fibre having a first optical mode () having a first mode order (), a second optical mode () having a second mode order (), and a third optical mode () having a third mode order (); the third mode order () is higher than the second mode order () which is higher than the first mode order (); the coupler () switches laser radiation propagating in the first optical mode () to laser radiation propagating in the second optical mode (); and the coupler () switches the laser radiation propagating in the second optical mode () to laser radiation propagating in the third optical mode ().

Apparatus and method for laser processing a material

An apparatus for laser processing a material including an optical fibre, at least one squeezing mechanism, and a lens. The optical fibre is a multimode optical fibre in which laser radiation propagates in a first optical mode and in a second optical mode. The squeezing mechanism includes at least one periodic surface defined by a pitch. The periodic surface is located adjacent to the optical fibre. The pitch couples the first and second optical modes together. The first optical mode is defined by a first mode order. The second optical mode is defined by a second mode order which is higher than the first mode order. The squeezing mechanism squeezes the periodic surface and optical fibre together with a squeezing force thereby coupling the first optical mode to the second optical mode.

Growing community of inventors

Bishops Tachbrook, United Kingdom

Stephen John Keen