Brief Communications

Selection of axial modes emitted by a solid-state laser with a homogeneously broadened luminescence line

V. V. Gershun, V. I. Ustyugov


Abstract: A theoretical analysis is made of the requirements that the selectivity of the resonator losses must satisfy to achieve continuous emission of one axial mode from a solid-state active element, which has arbitrary dimensions and position in a resonator and emits a homogeneously broadened luminescence line. Equations are derived for a wide range of pumping conditions. Experiments on a YAG:Nd³⁺ laser, emitting continuously at λ=1.06 μ, confirm that the equations obtained are suitable for practical calculations.

UDC: 621.375.9:535

PACS: 42.55.Rz, 42.60.Da, 42.60.Jf, 42.60.By

Received: 28.05.1974

 English version: Soviet Journal of Quantum Electronics, 1975, 4:12, 1450–1451