Finite-Element Thermal Simulation of High-Power Diode Laser Stacks for High-Duty-Cycle Pump Applications

被引：0

作者：

Elattar, Mohamed ^{[1
]}

Huebner, Marko ^{[1
]}

Wilkens, Martin ^{[1
]}

Ginolas, Arnim ^{[1
]}

Crump, Paul ^{[1
]}

机构：

[1] Leibniz Inst Hochstfrequenztech, Ferdinand Braun Inst FBH, D-12489 Berlin, Germany

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2025年 / 31卷 / 02期

关键词：

Heating systems; Diode lasers; Finite element analysis; Transient analysis; Steady-state; Periodic structures; Heat transfer; High power; diode laser; stack; pump module; high duty cycle; finite element analysis; thermal simulation;

D O I：

10.1109/JSTQE.2024.3431293

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The two-dimensional heat distribution (steady-state and transient) within high-power diode laser stacks is simulated using a newly-developed model, based on finite element analysis and calibrated against prior experimental results. The model is then used to estimate the average temperature and thermal impedance of the stack elements under quasi-continuous-wave pulsed operation and investigate the impact of variations to the pulse conditions (pulse width and duty cycle). It is also used to show how using improved heat-spreading materials and increasing cooling efficiency can significantly reduce thermal impedance, thereby enabling duty cycle and optical power scaling.

引用

页码：1 / 7

页数：7

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