Co^2+:YSGG saturable absorber Q switch for infrared erbium lasers

Autor: Camargo, Marly B., Kokta, Milan, Stultz, Robert D., Birnbaum, Milton
Zdroj: Optics Letters; February 1995, Vol. 20 Issue: 3 p339-341, 3p
Abstrakt: Passive Q switching of Er:glass (1.53 μm) with a new, robust, solid-state saturable absorber, Co^2+:Y_3Sc_2Ga_3O_12, has been demonstrated. Q-switched pulses of 20 ns and 4 mJ of energy were obtained. An absorption cross section of 5 × 10^−20 cm^2 was measured. Preliminary results for a Co^2+:Y_3Al_5O_12 saturable absorber Q switch are also discussed.
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