coherent light

noun

1. light in which the electromagnetic waves maintain a fixed and predictable phase relationship with each other over a period of time.

Example Sentences

His work centers on miniaturizing mode-lock lasers -- a unique laser that emits a train of ultrashort, coherent light pulses in femtosecond intervals, which is an astonishing quadrillionth of a second.

From Science Daily

When God said, ‘Let there be light,’ he surely must have meant perfectly coherent light.

From Salon

The Dalian Coherent Light Source, whose completion was announced today in Beijing, has a twist that makes it unique: It is the only large laser light source in the world dedicated to the particular range of short-wavelength light called vacuum ultraviolet, which makes it “a new tool for the detection and analysis of molecules undergoing chemical reactions,” says Alec Wodtke, a physical chemist at the University of Göttingen in Germany.

From Science Magazine

It produces coherent light — light of the same wavelength and in phase; no converging is involved.

From Nature

“We’re able to do this with coherent light,” Nye explains.

From Salon