2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85788A semiconductor diode laser having a modified Littrow external resonator is described. An additional output coupling mirror in a V-shape configuration of the resonator makes the system more efficient and convenient to operate.7 pages + 6 eps figuresOpticsAtomic PhysicsSimple external cavity diode lasertext