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Updated: Jun 15, 2026

10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Possible high energy laser at 1.27 microm.
Applied Optics
|March 6, 2010
Summary
Researchers explored molecular oxygen lasing potential for a strongly forbidden transition. Preliminary results show promise for high-energy pulsed lasers and multipass amplification applications.
Area of Science:
- Molecular physics
- Laser science
- Quantum optics
Background:
- The O(2)((1)Delta(g)) ? C(2)((3)Sigma (-)(g)) transition in molecular oxygen is a strongly forbidden transition.
- Exploring new pathways for high-energy laser generation is crucial for various scientific and technological applications.
Purpose of the Study:
- To investigate the potential for lasing from the O(2)((1)Delta(g)) ? C(2)((3)Sigma (-)(g)) transition.
- To develop a theoretical model for predicting laser performance.
- To experimentally demonstrate lasing and assess amplification capabilities.
Main Methods:
- Development of a rate equation model to simulate laser dynamics.
- Experimental setup using flash photolysis to initiate the lasing process.
- Computer analysis for evaluating multipass amplifier feasibility.
Main Results:
- Theoretical model predicts pulse energies up to several hundred joules/liter atmosphere.
- Experimental demonstration of 1.27-microm lasing achieved.
- Computer analysis indicates potential for multipass amplification.
Conclusions:
- The strongly forbidden O(2) transition shows significant potential for high-energy pulsed laser applications.
- Experimental validation supports the theoretical predictions.
- The system is a viable candidate for development as a multipass amplifier.

