Photometric Displacement Transducer

Gerald W. Timm, William E. Bradley

Research output: Contribution to journalArticlepeer-review


Measurements of variations in intensity of light reflected from a moving surface provide a method for quantitating displacement. A system to monitor displacements of a few microns is easily constructed. This technique has wide application in biological experiments, offering the advantage of probeless displacement monitoring.

Original languageEnglish (US)
Pages (from-to)167
Number of pages1
JournalIEEE Transactions on Biomedical Engineering
Issue number2
StatePublished - Apr 1969
Externally publishedYes


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