Here are the possible solutions for devices causing intense beams clue
Answer
Clue
Relevancy
lasers
Clue
Devices causing intense beams
Intense beams
Intense optical beams
Definition
LASER, a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
chigger
Clue
Tiny biter causing intense itching
Definition
a parasitic mite, also REDBUG
attic
Clue
Room with exposed wood beams, say
Definition
a room in the roof of a house
brights
Clue
High beams
Definition
BRIGHT, a light-hued tobacco
cabers
Clue
Beams thrown in competitions
Definition
CABER, (Scots) a heavy wooden heaving pole, also KABAR, KEBAR