Workpiece position sensing cleaved-edge diffracted light

Daoning Su, Denis R. Hall, Julian D C Jones

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A study is made of workpiece position sensing using a fiber optical beam delivery system. The operating principles of the fiber system is discussed. The output optics of a laser optical fiber beam delivery system is shown schematically. The experiments reported in the paper were carried out on a industrial pulsed Nd:YAG laser. The authors demonstrate the new technique of locating workpiece position in laser material processing and show that the technique can be used for other applications.

Original languageEnglish
Pages (from-to)1823-1826
Number of pages4
JournalOptical Engineering
Issue number8
Publication statusPublished - Aug 1993


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