]>High Power <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mtext>Tm</mml:mtext><mml:mrow><mml:mn mathvariant="bold">3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math>-Doped Fiber Lasers Tuned by a Variable Reflective Output Coupler : Figure 4
919403.fig.004
Figure 4: Maximum laser output power and threshold launched power as functions of the output coupling.