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Article Dans Une Revue Optics Express Année : 2015

Transverse-mode selective resonant grating-mirrors for high power and high brightness emission

Résumé

The finite angular spectral width of a 2D resonant grating mirror is adjusted to select the fundamental transverse mode of a laser and to filter out higher order modes. The selection principle is explained phenomenologically on a simplified 1D model. The 2D design is made so as to sustain the large field concentration in the grating slab-waveguide mirror, and the technology permitting to obtain the resonant reflection within the gain bandwidth of two types of laser is described. The blank experimental measurements by means of a white light supercontinuum are shown to match the targeted specifications on the resonance spectral position and angular width.
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Dates et versions

hal-01174104 , version 1 (08-07-2015)

Identifiants

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Nikolay Lyndin, Thomas Kämpfe, Svetlen Tonchev, Stephanie Reynaud, Olivier Parriaux. Transverse-mode selective resonant grating-mirrors for high power and high brightness emission. Optics Express, 2015, 23 (13), pp.17275-17289. ⟨10.1364/OE.23.017275⟩. ⟨hal-01174104⟩
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