1979
DOI: 10.1364/ol.4.000280
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High performance at new FIR wavelengths from optically pumped CH_2F_2

Abstract: A parametric study to clarify efficiency limiting mechanisms and to maximize the performance of the CH(2)F(2) laser has led to the discovery of five new CO(2) pump lines and ten new FIR laser lines. The wavelengths of the new lines fill a previous gap in the spectrum of strong cw FIR laser lines. With appropriate cavity design, measured conversion efficiencies exceed 30% of the maximum theoretical limit. Optimization of the output coupling for the strongest line at lambda = 184.6 microm has doubled the maximum… Show more

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Cited by 29 publications
(1 citation statement)
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“…𝜐 /01 ) 2 = 1.8% [15]. Our result corresponds to ~55% of this ideal limit and represents a twofold improvement compared the highest reported conversion efficiency for a CO2-pumped ML laser (33% of theoretical limit at 2.5THz) [16]. Lasing takes place on the TE01 waveguide mode, presenting an azimuthal symmetry, and a minimum on the waveguide axis [17].…”
Section: Thz Molecular Lasermentioning
confidence: 69%
“…𝜐 /01 ) 2 = 1.8% [15]. Our result corresponds to ~55% of this ideal limit and represents a twofold improvement compared the highest reported conversion efficiency for a CO2-pumped ML laser (33% of theoretical limit at 2.5THz) [16]. Lasing takes place on the TE01 waveguide mode, presenting an azimuthal symmetry, and a minimum on the waveguide axis [17].…”
Section: Thz Molecular Lasermentioning
confidence: 69%