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RESEARCH PRODUCT
Focal Length Measuring Technique Using The Talbot Effect
J. Ojeda-castanedaJ.c. BarreiroPedro Andréssubject
OpticsDistance measurementElectromagnetismbusiness.industryTalbot effectFocal lengthImage acquisitionImage processingSpatial frequencybusinessCollimated lightMathematicsdescription
The Talbot effect - or self-imaging phenomenon - is applied to the measurement of focal lengths. The technique only requires axial distances to be measured and is suitable for both converging and diverging thick lenses.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1987-07-10 | SPIE Proceedings |