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Angled wedge lenses

Standard wedge lens. Angled end wedge lens. Angled wedge lenses. Specially designed for efficient light coupling between angle-stripe semiconductor structures (SOA, SLED, etc.) and single mode fiber. Chip. Chip. Standard wedge-lensed fiber.

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Angled wedge lenses

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  1. Standard wedge lens Angled end wedge lens Angled wedge lenses Specially designed for efficient light coupling between angle-stripe semiconductor structures (SOA, SLED, etc.) and single mode fiber. Chip Chip Standard wedge-lensed fiber • Angled geometry of the wedge lens gives access to an angled chip facet • Alignment of the fiber to the chip is simpler and coupling efficiency will increase • Choosing proper angle of the wedge end it is possible to reduce back-reflections from the lensed fiber • Rectangular geometry of the standard wedge lens does not fit to an angled chip facet • Alignment of the fiber to the chip is difficult and coupling efficiency might suffer • AR coating required to further reduce back- reflections from the lensed fiber sales@wttechnology.com

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