Abstract
We describe how Fourier signal processing techniques can be generalized to partially coherent fields. Using standard coherence theory, we first show that focusing of a partially coherent beam by a lens modifies its coherence properties. We then consider a 4f imaging system composed of two lenses and discuss how spatial filtering in the Fourier plane allows one to tune the coherence properties of the beam. This, in turn, provides control over the beam's directionality, spectrum, and degree of polarization. (C) 2017 Optical Society of America
| Original language | English |
|---|---|
| Pages (from-to) | 4600-4602 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 42 |
| Issue number | 22 |
| DOIs | |
| Publication status | Published - 15 Nov 2017 |
Funding
Funding. Air Force Office of Scientific Research (AFOSR) (FA9550-16-1-0119); National Science Foundation (NSF) (ECCS-1505636).
| Funders | Funder number |
|---|---|
| National Science Foundation | ECCS-1505636 |
| Air Force Office of Scientific Research | FA9550-16-1-0119 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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