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I believe the journalist misunderstood this point. Trapped ions do oscillate somewhat, but the amplitude should be way below the resolution of this imaging syst
by fsh 7y ago
I believe the journalist misunderstood this point. Trapped ions do oscillate somewhat, but the amplitude should be way below the resolution of this imaging system. Most likely the finite spot size is due to the finite resolution and maybe some blooming from over-exposure.
- mattkrause 7y agoExactly. It's really imaging the point-spread function of the camera + window.
- RantyDave 7y agoIt's a very accurate way of doing it though. You know exactly where the point source is and ... that it is as close to a point as you're going to get. I wonder if this has an application in optics?
- mattkrause 7y agoHehe yeah, but probably hideously expensive, and there are cheaper ways to get real point sources. Quantum dots are a few nanometers in size (so << the wavelength that they emit) and you can get a solution of them from Sigma Aldrich for ~$500. People mix them into their samples and then use that to deconvolve the image/volume that they acquire.