Hadamard Transform Photothermal Deflection Imaging
- 1 July 1986
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 40 (5) , 704-706
- https://doi.org/10.1366/0003702864508584
Abstract
A 69-element Hadamard mask is used to encode a line-focused excimer laser beam to obtain spatially multiplexed photothermal deflection signals. The spatial distribution and relative quantities of potassium chromate samples on silica are recovered by Hadamard transformation.Keywords
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