Light coupling between LD and optical fiber using high NA planar microlens

Masahiro Oikawa; Hiroyuki Nemoto; Kenjiro Hamanaka; Takashi Kishimoto

doi:10.1117/12.18292

1 May 1990 Light coupling between LD and optical fiber using high NA planar microlens

Masahiro Oikawa, Hiroyuki Nemoto, Kenjiro Hamanaka, Takashi Kishimoto

Author Affiliations +

Proceedings Volume 1219, Laser Diode Technology and Applications II; (1990) https://doi.org/10.1117/12.18292
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

The planar niicrolens (PML) is a 2-D integrated niicrolens array fabricated by the ion-exchange technique. This paper demonstrates light coupling between LD and optcal fiber using the planar inicrolens. In oder to accept the light power from LD effctively, two classes of High NA planar inicrolens are prepared. A coupled planar inicrolens and new planar inicrolens with swelled structure are evaluated. The minimum coulping loss between LD and single mode fiber was - 5.3 dB using planar muicrolens with the swelled stuctre. (Including 0. 71 dB of Fresnel loss)

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Masahiro Oikawa, Masahiro Oikawa, Hiroyuki Nemoto, Hiroyuki Nemoto, Kenjiro Hamanaka, Kenjiro Hamanaka, Takashi Kishimoto, Takashi Kishimoto, "Light coupling between LD and optical fiber using high NA planar microlens", Proc. SPIE 1219, Laser Diode Technology and Applications II, (1 May 1990); doi: 10.1117/12.18292; https://doi.org/10.1117/12.18292

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