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- Title
Double-Cycle Alternating-Flow Diode Pumped Potassium Vapor Laser.
- Authors
Liu, Songyang; Tan, Rongqing; Xu, Wenning; Ning, Fangjin; Li, Zhiyong
- Abstract
A novel double-cycle alternating-flow diode-pumped potassium vapor laser is proposed, theoretically modeled and simulated. The results show that the optical-to-optical efficiency of the laser increases with increasing gas flow rates, although at high flow rates the rate of increase in efficiency decreases. The optical-to-optical efficiency reaches 74.8% at a pump power density of 30 kW/cm2 and a gas flow rate of 50 m/s. The optical-to-optical efficiency of the laser is greater with a narrow linewidth pump and high buffer gas pressure. The optical-to-optical efficiency of a flow gas cell is higher than that of a static gas cell. There is an optimal gas cell length that provides the highest optical-to-optical efficiency. At higher pump power densities, higher flow rates are required to obtain higher optical-to-optical efficiencies.
- Subjects
DIODES; GAS flow; LASERS; POTASSIUM; VAPORS; CONTINUOUS wave lasers; SEMICONDUCTOR lasers; PUMPING machinery
- Publication
Photonics, 2024, Vol 11, Issue 5, p391
- ISSN
2304-6732
- Publication type
Article
- DOI
10.3390/photonics11050391