Journal
OPTICS AND LASER TECHNOLOGY
Volume 157, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2022.108783
Keywords
Mid-infrared laser; Laser amplifier; Quantum cascade laser
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A hybrid continuous-wave Fe:ZnSe laser amplifier, seeded with a mid-infrared quantum cascade laser, achieved high output power and extraction efficiency. Theoretical analysis provided possible routes for further optimization of this system.
A hybrid continuous-wave Fe:ZnSe laser amplifier seeded with a mid-infrared quantum cascade laser is demonstrated. A maximum output power of 870 mW with an extraction efficiency of 30 % was achieved from the Fe:ZnSe amplifier seeded by a 200-mW laser at 4.0 mu m, corresponding to a gain of approximately 4.4. When the amplifier was seeded by a 150-mW laser at 4.6 mu m, an effective gain of approximately 1.4 was obtained. Additionally, we present a theoretical analysis to provide possible routes for further optimization of this Fe:ZnSe amplifier system.
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