Share this entry

Share this page

focal plane

Syllabification: fo·cal plane

Definition of focal plane in English:

noun

The plane through the focus perpendicular to the axis of a mirror or lens.
Example sentences
  • Then, the cell- and bead-holding pipettes were carefully aligned to get the focal plane and the plane of cell-bead contact to coincide.
  • A lens focuses this light at the back focal plane of the objective to allow collimation at the sample.
  • This setup captures only light from the focal plane, while out-of-focus Raman light and fluorescence background is strongly rejected.

Definition of focal plane in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day Sprachgefühl
Pronunciation: ˈSHpräkɡəˌf(y)o͞ol
noun
intuitive understanding of a language’s natural idiom…