Using fiber butt coupling for light delivery to the write/read objective in optical recording

Yakov S. Sidorin; Dennis G. Howe

doi:10.1117/1.602428

1 March 2000 Using fiber butt coupling for light delivery to the write/read objective in optical recording

Yakov S. Sidorin, Dennis G. Howe

Optical Engineering, Vol. 39, Issue 3, (March 2000). https://doi.org/10.1117/1.602428

Power transfer is analyzed in an optical recording application. We compare using only a collimating lens to deliver light from a laser diode to the write/read objective versus using a lens and a singlemode fiber that is butt-coupled to the laser diode. The system that employs an intermediate singlemode fiber is shown to deliver more power in an optical configuration that exhibits a large object plane field of view (collector numerical aperture ?0.11). Furthermore, the fiber/lens system delivers a circular, anastigmatic beam to the write/read objective. Several potential advantages of fiber/lens systems are outlined.

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Yakov S. Sidorin and Dennis G. Howe "Using fiber butt coupling for light delivery to the write/read objective in optical recording," Optical Engineering 39(3), (1 March 2000). https://doi.org/10.1117/1.602428

Published: 1 March 2000

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