Abstract
In many applications, such as on-chip optical coherence tomography (OCT) or Raman spectroscopy, it is necessary to produce a collimated light beam from an optical waveguide, and collimation in one dimension has been demonstrated, see e.g. [1,2,3]. However, in order to increase the efficiency of chip-sample coupling, collimation in two dimensions is required [4,5]. In this work, we demonstrate an on-chip reflowed polymer microlens design to enable light collimation in both, horizontal and vertical directions, and the experimental results show reduction of the divergence angle by a factor of 25.
© 2013 IEEE
PDF ArticleMore Like This
L. Chang, M. Dijkstra, R. M. de Ridder, K. Wörhoff, V. Subramaniam, and J. S. Kanger
CK_14_1 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2015
Akira Otomo, Rieko Ueda, Isao Aoki, Kohei Ota, Toshiki Yamada, Shin-ichiro Inoue, Yoshinari Awaji, and Tetsuya Kawanishi
ThL2_3 Conference on Lasers and Electro-Optics/Pacific Rim (CLEO/PR) 2013
C. J. Sun, P. Davidson, K. L. Darkes, D. J. Carnevale, K. M. Schmidt, S. Sumida, R. Duesterberg, and D. P. Worland
ThB4 Optical Fiber Communication Conference (OFC) 1995