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Proceedings Paper

Study of excitons in microcrystallites: clearly resolved peaks by modulation spectroscopy and femtosecond dephasing resolved with incoherent light
Author(s): Takayoshi Kobayashi; Shintaro Nomura; Kazuhiko Misawa
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Paper 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)

Paper Details

Date Published: 1 May 1990
PDF: 13 pages
Proc. SPIE 1216, Nonlinear Optical Materials and Devices for Photonic Switching, (1 May 1990); doi: 10.1117/12.18136
Show Author Affiliations
Takayoshi Kobayashi, Univ. of Tokyo (Japan)
Shintaro Nomura, Univ. of Tokyo (Japan)
Kazuhiko Misawa, Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 1216:
Nonlinear Optical Materials and Devices for Photonic Switching
Nasser Peyghambarian, Editor(s)

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