This is a division of application Ser. No. 08/838,836, filed Apr. 11, 1997 now U.S. Pat. No. 6,324,872 which claims priority to U.S. provisional application No. 60/015,298 filed Apr. 12, 1996.
Number | Name | Date | Kind |
---|---|---|---|
2577793 | Miller | Dec 1951 | A |
3377792 | Walls et al. | Apr 1968 | A |
3659408 | Burr | May 1972 | A |
3714771 | Henshaw et al. | Feb 1973 | A |
4144700 | Takai et al. | Mar 1979 | A |
4248035 | Skillen et al. | Feb 1981 | A |
4308045 | Miller | Dec 1981 | A |
4377932 | Dammann et al. | Mar 1983 | A |
4509968 | Arditty et al. | Apr 1985 | A |
5298047 | Hart, Jr. et al. | Mar 1994 | A |
5418881 | Hart, Jr. et al. | May 1995 | A |
5897680 | Geertman | Apr 1999 | A |
Number | Date | Country |
---|---|---|
28 55337 | Dec 1978 | DE |
30 22 088 | Jun 1980 | DE |
729 919 | Sep 1996 | DE |
744 636 | Nov 1996 | EP |
2 359 087 | Mar 1978 | FR |
WO 8300232 | Jan 1983 | WO |
WO 9707067 | Feb 1997 | WO |
WO 9722897 | Jun 1997 | WO |
WO 9730945 | Aug 1997 | WO |
Entry |
---|
H. Schneider et al., “Low-birefringence single-mode optical fibers: preparation and polarization characteristics”, Applied Optics, vol. 17, No. 19, pp. 3035-3037 Oct. 1978. |
MJ Marrone et al., “Internal rotation of the briefringence axes in polarization—holding fibers”, Optics Letters, vol. 12, No. 1, pp. 60-62 Jan. 1987. |
R. Ulrich et al., “Polarization optics of twisted single-mode fibers”, Applied Optics, vol. 18, No. 13, pp. 2241-2251, Jul. 1979. |
SC Rashleigh,“Fabrication of Circularly Birefringent Single Mode Fibers”, Navy Technical Disclosure Bulletin, vol. 5, No. 12, pp. 7-12, Dec. 1980. |
Number | Date | Country | |
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60/015298 | Apr 1996 | US |