High-tech illumination for a speaker's pointer (5,4)

I believe the answer is:

laser beam

(Other definitions for laser beam that I've seen before include "Column of intensified light" , "penetrating light" , "Shaft of light or electro-mechanic radiation" , "Intense ray of light" , "Shaft of light or electromagnetic radiation" .)

I've seen this clue in the Newsday.

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