Home > Terms > English, UK (UE) > Numerical aperture loss

Numerical aperture loss

A loss of optical power that occurs at a splice or a pair of mated connectors when the numerical aperture of the "transmitting" fibre exceeds that of the "receiving" fiber, even if the cores are precisely the same diameter and are perfectly aligned. Note 1: The higher numerical aperture of the transmitting fibre means that it emits a larger cone of light than the receiving fibre is capable of accepting, resulting in a coupling loss. Note 2: In the opposite case of numerical aperture mismatch, where the transmitting fibre has the lower numerical aperture, no numerical aperture loss occurs, because the receiving fibre is capable of accepting light from any bound mode of the transmitting fiber.

This is auto-generated content. You can help to improve it.
0
Collect to Blossary

Member comments

You have to log in to post to discussions.

Terms in the News

Featured Terms

Harry8L
  • 0

    Terms

  • 0

    Blossaries

  • 1

    Followers

Industry/Domain: Government Category: American government

Leading from behind

A phrase that was reportedly used by the Obama White House to describe the U.S. actions in Libya as "leading from behind." The phrase has ...

Contributor

Featured blossaries

Tattoo Styles

Category: Arts   2 11 Terms

Harry Potter Cast Members

Category: Entertainment   4 16 Terms