A real-time visual display of a high-power laser-beam

I. W. Boyd, J. G. Crowder

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A technique is described whereby the focused output of a high power laser, such as the CO2, can be quickly and effectively characterised. Precisely machined pinholes and special high power detectors are not required; a scanning beam is employed in conjunction with simple electronic circuitry. The novelty of the system is in the method of attenuation, which is very flexible, so that a beam of virtually any high power-density can be safely and easily measured. Very high resolution is available since extremely small portions of the beam can be sampled.

Original languageEnglish
Article number008
Pages (from-to)421-422
Number of pages2
JournalJournal of Physics E: Scientific Instruments
Issue number4
Publication statusPublished - 1982


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