High coupling optical design for laser diodes with large aspect ratio

We have designed and performed the optical modeling of a cruciform cylindrical lens to replace the corrective lens in a confocal optical system and demonstrated a coupling efficiency of 85%. This represents more than 3 dB improvement over the conventional confocal system of single mode fiber couplin...

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Veröffentlicht in:	IEEE transactions on advanced packaging 2000-05, Vol.23 (2), p.165-169
Hauptverfasser:	Sun-Yuan Huang, Gaehe, C.E., Miller, K.A., Wiand, G.T., Stakelon, T.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Confocal Diode lasers Electronics Exact sciences and technology Fiber lasers Fibers Fundamental areas of phenomenology (including applications) Joining Laser beams Laser modes Lasers Lenses Noise levels Optical coupling Optical design Optical fiber communication Optical pumping Optics Optoelectronic device characterization, design, and modeling Optoelectronic devices Physics Pump lasers Pumps Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Semiconductor lasers laser diodes Tolerances
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Beschreibung
Zusammenfassung:	We have designed and performed the optical modeling of a cruciform cylindrical lens to replace the corrective lens in a confocal optical system and demonstrated a coupling efficiency of 85%. This represents more than 3 dB improvement over the conventional confocal system of single mode fiber coupling for 980 nm pump lasers. Also, the fiber alignment tolerance is about three times more relaxed than that of the wedged fiber lens.
ISSN:	1521-3323 1557-9980
DOI:	10.1109/6040.846628