Tolerant low-loss three-lens coupling system for 1.48-μm unstable-cavity lasers
| Autor: | S. Delepine, E. Gerard, E. Boubal, Paul Salet, T. Fillion |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
Materials science
business.industry Physics::Optics Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Semiconductor laser theory law.invention Power (physics) Coupling (electronics) Lens (optics) Wavelength Semiconductor Optics law Optoelectronics Fiber Electrical and Electronic Engineering business |
| Zdroj: | IEEE Photonics Technology Letters. 12:254-256 |
| ISSN: | 1941-0174 1041-1135 |
| DOI: | 10.1109/68.826905 |
| Popis: | A 1.48-/spl mu/m unstable-cavity laser is coupled into single-mode fiber using three microlenses. Reproducible coupling of very high power is demonstrated with different types of lenses (plano-convex or biconvex, with different apertures). Over 550 mW in single-mode fiber (SMF) were reproducibly reached; to our knowledge, it is the highest power coupled into an SMF from a single semiconductor laser at this wavelength. Tolerance measurements on all of the coupling elements of a three-lens system are reported for the first time; an unexpected very large tolerance an the axial displacement of the second lens was measured. Results and interpretation with the aid of Gaussian and aberration simulations are also presented. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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