In an optical fiber, a mode that (a) has a field intensity that decays monotonically in the transverse direction everywhere external to the core and (b) does not lose power to radiation.
Note: Except for single-mode fibers, the power in bound modes is predominantly contained in the core of the fiber. [After 2196] Synonymstrapped mode.

Synonym guided ray.

1. [In security,] Software, hardware, or a physical barrier that limits access to a system or part of a system. [INFOSEC-99]
2. Synonym [in networking]section boundary.

Business Process Execution Language

See bits per inch.

Broadband Power Line

Business Process Management

Business Process Modeling Notation

Broadband Passive Optical Network

bits per second