SOMEWHAT SURPRISINGLY, YES, TO ABOUT ± 2 ΜM.
You scan axially through best focus several times and plot the number of pixels above threshold versus scan distance.
The curve is quadratic and the derivative of the curve fit to the data gives the best focus position to even very slow systems.
The Axicon centering station and the associated LCS-PSM software make this an easy task.
Armstrong Optical+44(0) 1604 654220info@armstrongoptical.co.uk
清 原 耕 輔 Kosuke Kiyohara清原光学 営業部 Kiyohara Optics / Sales+81-3-5918-8501opg-sales@koptic.co.jp
Kiyohara Optics Inc.3-28-10 Funado Itabashi-Ku Tokyo, Japan 174-0041
Mersenne Optical Consultingaprakich@gmail.com
Copyright © Website by CS Design Studios