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Published on: October 5, 2018
Summary
Researchers optimized a pulsed hydrogen cyanide (HCN) laser, achieving 1 kW peak power in the fundamental transverse mode. High impurity levels limit sustained operation to 450 W.
Area of Science:
- Optics and Photonics
- Laser Physics
- Gas Lasers
Background:
- Pulsed hydrogen cyanide (HCN) lasers are utilized in various scientific applications.
- Optimizing discharge parameters is crucial for enhancing laser performance.
Purpose of the Study:
- To investigate the optimization of discharge parameters for a pulsed HCN laser.
- To achieve high peak power output and analyze the dominant transverse mode.
Main Methods:
- Systematic variation of discharge voltage, repetitive rate, gas composition, and flow rate.
- Optimization of pulsed discharge parameters for HCN laser operation.
Main Results:
- Peak powers up to 1 kW were achieved with output radiation predominantly in the lowest transverse mode.
- Sustained repetitive operation was limited to 450 W due to discharge impurity production at higher input power.
Conclusions:
- The study demonstrates the potential for high peak power from pulsed HCN lasers through discharge parameter optimization.
- Further research is needed to mitigate impurity formation for enhanced long-term high-power operation.
