Number | Name | Date | Kind |
---|---|---|---|
3792436 | DeVoy et al. | Feb 1974 | |
4677618 | Haas et al. | Jun 1987 | |
4829596 | Barina | May 1989 | |
4905218 | Takeuchi et al. | Feb 1990 |
Entry |
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IBM Technical Disclosure Bulletin, vol. 10, No. 1, Jun. 1967, Giudi, A. M., pp. 37-39. |
L. B. Jeunhomme, `Single Mode Fiber Optics, Principles & Applications` 1983, pp. 112-114. |
Journal of Lightwave Technology, vol. 8, No. 2, Feb. 1990, pp. 239-242. |