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CW hollow-core optically pumped I₂ fiber gas laser
Optics Letters
|February 14, 2015
Summary
Continuous wave lasing was achieved in a hollow-core fiber gas laser (HOFGLAS) using molecular iodine. This laser operates in the 1280-1340 nm range when optically pumped by a 532 nm laser.
Area of Science:
- Laser Physics
- Fiber Optics
- Molecular Spectroscopy
Background:
- Hollow-core fiber gas lasers (HOFGLAS) offer unique properties for light generation.
- Molecular iodine is a well-studied gain medium with potential for lasing in various spectral regions.
Purpose of the Study:
- To demonstrate continuous wave (CW) lasing in a HOFGLAS system.
- To investigate the lasing performance of molecular iodine in the near-infrared spectrum.
Main Methods:
- Utilized a hollow-core fiber filled with molecular iodine as the gain medium.
- Optically pumped the iodine vapor using a 532 nm continuous wave laser.
- Characterized the output laser emission in the 1280-1340 nm wavelength range.
Main Results:
- Achieved stable continuous wave lasing operation.
- Identified the lasing emission in the 1280-1340 nm spectral region.
- Demonstrated the feasibility of using molecular iodine in a HOFGLAS for near-infrared laser generation.
Conclusions:
- Continuous wave lasing of molecular iodine is successfully demonstrated in a hollow-core fiber gas laser.
- The HOFGLAS system provides a viable platform for generating laser light in the 1280-1340 nm range.
- This work contributes to the development of fiber-based laser sources for spectroscopic applications.

