Numerical modeling and optimization of the optically pumped mid-infrared molecular laser

Vassiliev, S. V.; Kuzmina, Marina A.; Basiev, Tasoltan T.; Hager, Gordon D.

doi:10.1117/12.482070

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2009

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“…The model included rotational thermalization within a specific vibrational band as well as vibrational relaxation of both the upper and lower vibrational levels partaking in the laser action. The model is similar to that reported in [2] and [7]. The pump pulse was segmented in time and each segment was propagated through the HBr cell using the Beer-Lambert law.…”

Section: Resultsmentioning

confidence: 99%

Ho:YLF pumped HBr laser

Botha¹,

Bollig²,

Esser³

et al. 2009

Opt. Express

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A Ho:YLF laser pumped HBr molecular laser was developed that produced up to 2.5 mJ of energy in the 4 micron wavelength region. The Ho:YLF laser was fiber pumped using a commercial Tm:fibre laser. The Ho:YLF laser was operated in a single longitudinal mode via injection seeding with a narrow band diode laser which in turn was locked to one of the HBr transitions. The behavior of the HBr laser was described using a rate equation mathematical model and this was solved numerically. Good agreement both qualitatively and quantitatively between the model and experimental results was obtained.

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Section: Resultsmentioning

confidence: 99%