![Focus, explained by RP Photonics Encyclopedia; focal point, light rays, imaging, laser beam, related terms Focus, explained by RP Photonics Encyclopedia; focal point, light rays, imaging, laser beam, related terms](https://www.rp-photonics.com/previews/focus.png)
Focus, explained by RP Photonics Encyclopedia; focal point, light rays, imaging, laser beam, related terms
![Focused laser beam onto the surface of the target immersed in liquid.... | Download Scientific Diagram Focused laser beam onto the surface of the target immersed in liquid.... | Download Scientific Diagram](https://www.researchgate.net/publication/259708681/figure/fig11/AS:668505942786057@1536395645470/Focused-laser-beam-onto-the-surface-of-the-target-immersed-in-liquid-Displacement-of-the.png)
Focused laser beam onto the surface of the target immersed in liquid.... | Download Scientific Diagram
![Focus Like a Laser Beam: 10 Ways to Do What Matters Most: Haneberg, Lisa L., Ferrazzi, Keith: 9780787984816: Amazon.com: Books Focus Like a Laser Beam: 10 Ways to Do What Matters Most: Haneberg, Lisa L., Ferrazzi, Keith: 9780787984816: Amazon.com: Books](https://m.media-amazon.com/images/I/51R3852x7nL._AC_SY780_.jpg)
Focus Like a Laser Beam: 10 Ways to Do What Matters Most: Haneberg, Lisa L., Ferrazzi, Keith: 9780787984816: Amazon.com: Books
![Optical phase in the focus of a pulsed laser beam measured in 3-d — published in Nature Physics › Chair for Laserphysics Optical phase in the focus of a pulsed laser beam measured in 3-d — published in Nature Physics › Chair for Laserphysics](https://www.laserphysics.nat.fau.eu/files/2017/07/FokalePhase.png)