Gain dynamics in a pulsed laser amplifier on CO–He, CO–N<sub>2</sub>and CO–O<sub>2</sub>gas mixtures

Vetoshkin, S.; Ионин, А. А.; Klimachev, Yu. M.; Kozlov, A. Yu.; Kotkov, A. A.; Rulev, O. A.; Селезнев, Л. В.; Sinitsyn, D. V.

doi:10.1070/qe2007v037n02abeh013166

Cited by 15 publications

(7 citation statements)

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“…7c), which resulted in an increase of output energy as much as 3 times, the absolute value of the parameter dτ/dt enhanced as much as 1.5 times. Q in = 340 J l -1 Amagat -1 ; b) single-line mode-locked CO laser operating on vibrational-rotational transition 10→9 P (7). Q in = 170 J l -1 Amagat -1 ; c) single-line mode-locked CO laser operating on vibrational-rotational transition 10→9 P (7).…”

Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

“…Q in = 340 J l -1 Amagat -1 ; b) single-line mode-locked CO laser operating on vibrational-rotational transition 10→9 P (7). Q in = 170 J l -1 Amagat -1 ; c) single-line mode-locked CO laser operating on vibrational-rotational transition 10→9 P (7). Q in = 340 J l -1 Amagat -1 .…”

Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

“…Solid lines designate the trend of a spike duration decrease. a) multiline mode-locked CO laser; b) single-line mode-locked CO laser operating on vibrational-rotational transition 10→9 P (7). Q in = 340 J l -1 Amagat -1 .…”

Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

“…The Fourier transform I f of intensity (bars) and the Gauss function (curve) best fitting it a) for the multiline mode-locked CO laser; b) for the single-line mode-locked CO laser operated on vibrationalrotational transition 10→9 P(7). Q in = 340 J l -1 Amagat -1 .…”

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Carbon monoxide laser emitting nanosecond pulses with 10 MHz repetition rate

et al. 2008

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Actively mode-locked electron-beam-sustained-discharge CO-laser producing a train of ~5-15 ns (FWHM) spikes following with repetition rate 10 MHz for both single-line and multiline mode of operation in the mid-IR range of ~5 micron was experimentally studied. Total laser pulse duration was ~0.5 ms for both mode-locked and free running laser. Specific output energy in multiline CO-laser mode of operation was up to 20 J l -1 Amagat -1 and the laser efficiency up to 3.5%. The active mode-locking was achieved for single-line CO-laser mode of operation in spectral range 5.2-5.3 micron. This sort of radiation can be used for pumping an optical parametric amplifier for optical stochastic cooling in Relativistic Heavy Ion Collider, for laser ablation, and for studying vibrational and rotational relaxation of CO and NO molecules.

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Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

Section: Duration Of the Mode-locked Co Laser Spikesmentioning

confidence: 99%

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confidence: 99%

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Carbon monoxide laser emitting nanosecond pulses with 10 MHz repetition rate

et al. 2008

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“…Such spectral properties have molecular gas lasers and, in particular, a carbon monoxide laser that has shown itself as an efficient laser source in the mid-IR range [12,13]. The efficiency of conversion of the pump energy into lasing one can exceed 40% for the fundamental-transition CO laser [14] and 15% for the overtone CO laser [5,15]. However, the CO laser has these high performance characteristics only when the working mixture of gases is cooled down to a temperature of ~100 K; moreover, the overtone-transition laser is most sensitive to the temperature of the active medium.…”

Section: Compact Slab Co Lasermentioning

confidence: 99%

Wideband CO laser in problems of laser sensing of minor gaseous components in the atmosphere

et al. 2008

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In the present work it is demonstrated that a wideband CO laser operating at fundamental and overtone vibrational transitions is a promising source of laser radiation for remote laser sensing of the atmosphere. A compact slab RF-discharge CO laser has been designed. The optimal operating conditions are determined for this CO laser. In experiments, the maximum average output laser power was ~12 W for lasing efficiency of ~14%. Under fixed experimental conditions, stable lasing (with fluctuations of the output laser characteristics ≤5%) was observed during more than one hour, which suggests that we first excited the sealed-off mode of cryogenic slab RF-discharge CO laser. The frequency-selective mode was first obtained for this laser. Wavelengths for sensing of nitrous oxide, nitrogen dioxide, methane, formaldehyde, and some other gases on near-ground propagation paths are determined. Our experiments and calculations confirm that this CO laser is promising for laser gas analysis.

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