Abstract

A recent improvement of a 2-D array of distributed-index (DI) planar microlenses is presented to demonstrate a 2-D integrated optical component using a planar microlens array. These components are made by stacking planar microlens arrays and other planar optical devices. The improved planar microlens has f = 2.0 mm, a N.A. = 0.23, and its spherical aberration is very small. A fiber coupler is demonstrated. From a preliminary experiment, it is shown that the coupling loss of each channel is <0.5 dB for coupling 50-μm core DI fibers.

© 1983 Optical Society of America

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  1. K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
    [CrossRef]
  2. W. J. Tomlinson, Appl. Opt. 19, 1127 (1980).
    [CrossRef] [PubMed]
  3. K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.
  4. K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, Appl. Opt. 21, 3456 (1982).
    [CrossRef] [PubMed]
  5. M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
    [CrossRef]
  6. M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
    [CrossRef]
  7. M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
    [CrossRef]
  8. M. Oikawa, K. Iga, Appl. Opt. 21, 1052 (1982).
    [CrossRef] [PubMed]
  9. Y. Kokubun, K. Iga, Appl. Opt. 21, 1030 (1982).
    [CrossRef] [PubMed]
  10. N. Akazawa, M. Toyama, K. Matsushita, in Digest of Topical Meeting on Gradient-Index Optical Imaging Systems (Optical Society of America, Washington, D.C., 1981), paper TuD4. Data sheet of Selfoc lens, Nippon Sheet Glass Co., Ltd.
  11. M. Oikawa, K. Iga, S. Misawa, Electron. Lett. 18, 316 (1982).
    [CrossRef]

1982

1981

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
[CrossRef]

1980

W. J. Tomlinson, Appl. Opt. 19, 1127 (1980).
[CrossRef] [PubMed]

M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
[CrossRef]

1979

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Akazawa, N.

N. Akazawa, M. Toyama, K. Matsushita, in Digest of Topical Meeting on Gradient-Index Optical Imaging Systems (Optical Society of America, Washington, D.C., 1981), paper TuD4. Data sheet of Selfoc lens, Nippon Sheet Glass Co., Ltd.

Banno, J.

K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, Appl. Opt. 21, 3456 (1982).
[CrossRef] [PubMed]

K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.

Iga, K.

M. Oikawa, K. Iga, Appl. Opt. 21, 1052 (1982).
[CrossRef] [PubMed]

Y. Kokubun, K. Iga, Appl. Opt. 21, 1030 (1982).
[CrossRef] [PubMed]

K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, Appl. Opt. 21, 3456 (1982).
[CrossRef] [PubMed]

M. Oikawa, K. Iga, S. Misawa, Electron. Lett. 18, 316 (1982).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
[CrossRef]

K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.

Ishikawa, R.

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Kobayashi, K.

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Kokubun, Y.

Matsushita, K.

N. Akazawa, M. Toyama, K. Matsushita, in Digest of Topical Meeting on Gradient-Index Optical Imaging Systems (Optical Society of America, Washington, D.C., 1981), paper TuD4. Data sheet of Selfoc lens, Nippon Sheet Glass Co., Ltd.

Minemura, K.

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Misawa, S.

K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, Appl. Opt. 21, 3456 (1982).
[CrossRef] [PubMed]

M. Oikawa, K. Iga, S. Misawa, Electron. Lett. 18, 316 (1982).
[CrossRef]

K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.

Nishizawa, K.

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

Oikawa, M.

M. Oikawa, K. Iga, Appl. Opt. 21, 1052 (1982).
[CrossRef] [PubMed]

M. Oikawa, K. Iga, S. Misawa, Electron. Lett. 18, 316 (1982).
[CrossRef]

K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, Appl. Opt. 21, 3456 (1982).
[CrossRef] [PubMed]

M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
[CrossRef]

K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.

Sanada, T.

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
[CrossRef]

Sugimoto, S.

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Tomlinson, W. J.

Toyama, M.

N. Akazawa, M. Toyama, K. Matsushita, in Digest of Topical Meeting on Gradient-Index Optical Imaging Systems (Optical Society of America, Washington, D.C., 1981), paper TuD4. Data sheet of Selfoc lens, Nippon Sheet Glass Co., Ltd.

Yamamoto, N.

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

Appl. Opt.

Electron. Lett.

M. Oikawa, K. Iga, T. Sanada, Electron. Lett. 17, 452 (1981).
[CrossRef]

M. Oikawa, K. Iga, S. Misawa, Electron. Lett. 18, 316 (1982).
[CrossRef]

Fiber Integ. Opt.

K. Kobayashi, R. Ishikawa, K. Minemura, S. Sugimoto, Fiber Integ. Opt. 2, 1 (1979).
[CrossRef]

Jpn. J. Appl. Phys.

M. Oikawa, K. Iga, T. Sanada, Jpn. J. Appl. Phys. 20, L51 (1980).
[CrossRef]

M. Oikawa, K. Iga, T. Sanada, N. Yamamoto, K. Nishizawa, Jpn. J. Appl. Phys. 20, L296 (1981).
[CrossRef]

Other

K. Iga, M. Oikawa, S. Misawa, J. Banno, in Digest of Topical Meeting on Integrated and Guided-Wave Optics (Optical Society of America, Washington, D.C., 1982), paper FB6.

N. Akazawa, M. Toyama, K. Matsushita, in Digest of Topical Meeting on Gradient-Index Optical Imaging Systems (Optical Society of America, Washington, D.C., 1981), paper TuD4. Data sheet of Selfoc lens, Nippon Sheet Glass Co., Ltd.

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Figures (3)

Fig. 1
Fig. 1

(a) Configuration of a DI planar microlens. (b) Interference pattern which shows equi-index surfaces in the meridional plane.

Fig. 2
Fig. 2

Focused spot by the coupled planar microlens. A He–Ne laser beam (λ = 0.63 μm) was used as the light source.

Fig. 3
Fig. 3

Structure of the 2 × 2 fiber coupler array.

Tables (1)

Tables Icon

Table I Coupling Loss of the Coupler Array

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