Publication

Stable 2.1 μm near 100% polarized Ho-doped all-fiber laser based on a polarizer-free cavity scheme

Camille Sophie Brès, Davide Grassani, Jianqi Hu, Svyatoslav Kharitonov, Sida Xing
2017
Conference Papers

Résumé

A highly polarized Ho-doped truly all-fibre laser was demonstrated without in-cavity polarizer. Utilizing PM-FBG and loop mirror, maximum 0.5W output power with 30% slope efficiency, 70dB ASE suppression and 99.997% degree of polarization was recorded at 2.1μm

Source officielle

https://infoscience.epfl.ch/entities/publication/ce789c52-c611-46b4-b3c9-6e392711908b

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Camille Sophie Brès, Davide Grassani, Jianqi Hu, Svyatoslav Kharitonov, Sida Xing
2017
Conference Papers

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/ce789c52-c611-46b4-b3c9-6e392711908b

À propos de ce résultat

Concepts associés (10)

Laser engraving

Laser engraving is the practice of using lasers to engrave an object. Laser marking, on the other hand, is a broader category of methods to leave marks on an object, which in some cases, also includes color change due to chemical/molecular alteration, charring, foaming, melting, ablation, and more. The technique does not involve the use of inks, nor does it involve tool bits which contact the engraving surface and wear out, giving it an advantage over alternative engraving or marking technologies where inks or bit heads have to be replaced regularly.

Fiber laser

A fiber laser (or fibre laser in Commonwealth English) is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. They are related to doped fiber amplifiers, which provide light amplification without lasing. Fiber nonlinearities, such as stimulated Raman scattering or four-wave mixing can also provide gain and thus serve as gain media for a fiber laser.

Découpe laser

thumb|Machine de découpe laser en train de couper des formes géométriques sur du polystyrène expansé. thumb|Machine de découpe laser à l'exposition "". La découpe laser est un procédé de fabrication qui consiste à découper la matière grâce à une grande quantité d’énergie générée par un laser et concentrée sur une très faible surface. Cette technologie est majoritairement destinée aux chaînes de production industrielles, mais peut également convenir aux boutiques, aux établissements professionnels et aux tiers-lieux de fabrication.

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