FIELD: physics.
SUBSTANCE: resonance reflector consists of at least two plane-parallel translucent plates. Said plates feature different thickness and separated by preset gap. Thickness of plates and air gap satisfies the following conditions: 70 ≤ d1 ≤ 100, 170 ≤ d2 ≤ 200, 60 ≤ t ≤ 80, where d1 is thickness of first plane-parallel plate, mcm; d2 is thickness of second plate, mcm; t is air gap thickness, mcm.
EFFECT: reduced width of laser radiation spectrum envelope.
3 cl, 3 dwg
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