Timeline for Minimum seperation between two Airy disks as a function of the distance between two point sources of coherent light passing through the same objective
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 24, 2016 at 9:07 | comment | added | Frank | @Chris Mueller, Why does laser intensity scale as 1/ distance squared compared to 1/ distance laser beam travels? | |
| Jan 17, 2014 at 21:20 | comment | added | RGrey | Assuming all of the optics are perfect, if I shine a laser at a point (x,y) on an objective, and then shine the laser at a point (x2,y2), will the peak of the Airy disk move the same distance? This is a sort of restatement of my question. Or is there nothing fundamental to prevent this? | |
| Jan 17, 2014 at 21:19 | comment | added | Chris Mueller | In that case I think it would depend on systematics in your measurement apparatus: bit noise in your CCD, pixel size in your CCD, imperfections in your optics, etc. | |
| Jan 17, 2014 at 21:12 | comment | added | RGrey | I understand that two points cannot be distinguished (without perfect knowledge of their PSFs) below the Rayleigh limit. This question is about what the minimum distance between the stars can be if we can make them blink by shutting the light off from one or the other and individually resolving the Airy disks. | |
| Jan 17, 2014 at 20:34 | history | answered | Chris Mueller | CC BY-SA 3.0 |