Encyclopedia > Acceptance angle

Article Content

Acceptance angle

In optical fiber the acceptance angle is the half-angle of the cone within which incident light is totally internally reflected by the fiber core. It is equal to arcsin(NA), where NA is the numerical aperture of the fiber.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Guitar

... variations on this, the most common being a twelve string guitar. A variety of different tunings are used. The most common by far, known as "standard tuning", is (low to ...