Speaker
Description
Fourier Ptychographic Microscopy (FPM) is an imaging technique that can be used to obtain high-resolution, large field of view images of a sample. The technique is based on acquiring a number of low-resolution, large field of view images and combining them to produce one high-resolution, large field of view image of the sample. This relatively new technique was first described in 2013 .
Its key feature is the ability to keep the large field of view offered by a low numerical aperture (NA) objective lens, while at the same time acquiring images with a resolution that is comparable to objective lenses with a much higher NA. In microscopy, there is usually a trade-off between field of view and resolution, but with FPM, we can have both a large field of view and a high resolution. In the reconstruction process, the phase of the sample is also retrieved. The implementation of FPM (using a conventional microscope and a programmable LED array) is relatively simple and cheap, so it is a promising way of increasing imaging performance, without resorting to expensive or complex setups.
An overview of FPM and how it relates to other microscopy techniques will be given, providing context and highlighting the advantages offered by FPM. The concept and experimental implementation will be explained, together with results from simulations investigating the recovery process of the high-resolution image. Additionally, simulation results that demonstrate FPM's ability to correct for aberrations will be shown. These simulations will be complemented with preliminary experimental results.
Level for award;(Hons, MSc, PhD, N/A)?
MSc
| Apply to be considered for a student ; award (Yes / No)? | Yes |
|---|
