Passive Q-switches or saturator absorbers produce high-power laser pulses without the use of electro-optical Q-switches, reducing coil size and eliminating the high-voltage power supply. Co2 +: MgAl2O4 is a relatively new material for passive Q-switching in lasers.
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Explanation
Passive Q-switches or saturator absorbers produce high-power laser pulses without the use of electro-optical Q-switches, thus reducing the coil size and eliminating the high voltage power supply. Co 2+: MgAl 2 O 4, especially 1.48μm and 1.34μm is a relatively new material for passive Q-switching on lasers ranging from 1.2 to 1.6μm for a 1.54μm Er: glass laser. laser wavelengths. Spinel is a hard, stable crystal that is well polished. Cobalt easily substitutes for magnesium in the Spinel host without the need for additional charge balancing ions. The high suction cross-section (3.5 x 10 -19 cm 2) does not allow Q: switching of the Er: glass laser, which focuses on both flash lamp and diode laser pumping. Negligible excited state absorption results in a high contrast ratio of the Q-key, ie the ratio of the initial (small signal) to saturated absorption is higher than 10.