Divergence

From the laser's perspective, divergence refers to the laser growing larger as it moves from point "a" to point "b." After the laser passes through the waist point, the beam ...

divergence

Engineering; Electronic engineering

1. The tendency of a collimated beam of energy to spread out. 2. The extent to which a collimated beam of energy spreads out, generally measured in seconds of arc, minutes of ...

divergence

Telecommunications; General telecom

See beam divergence.

seismic survey

Earth science; Seismology

A technique for determining the detailed structure of the rocks underlying a particular area by passing acoustic shock waves into the strata and detecting and measuring the ...

shot

Earth science; Seismology

A small explosion used to produce shock waves during a seismic survey.

jug hustler

Earth science; Seismology

A member of a seismic crew who operates the geophones.

seismic exploration

Earth science; Seismology

An exploration technique involving the use of seismic methods.

seismic observer

Earth science; Seismology

A seismic observer operates geophysical recording instruments used in seismic surveys and performs routine maintenance to ensure optimum data quality.

scarp

Earth science; Seismology

A roughly linear, cliff-like slope or face that breaks the continuity of a surface into distinct levels. Scarps are often produced by faulting, especially that which involves a ...