Fiber optic device with enhanced resistance to environmental conditions and method
View Patent ↗A method for producing fiber optic devices having improved intrinsic resistance to external environmental conditions and a fiber optic device made my the method are disclosed. The fabrication method produces an optic device that is treated with deuterium. The method includes a step for treating and/or making optical devices in the presence of a flame produced by the combustion of deuterium gas or a mixture including deuterium.
1. A method for forming an optic device comprising:
treating a segment of the optic device using a deuterium process, wherein the optic device has a first condition where the optic device has a first splitting loss of a certain quantity, wherein the optic device has a second condition where the optic device has a change in splitting loss of less than 2 dB relative to the first splitting loss, and wherein the second condition is achieved after 2000 hours in an environment having a temperature of substantially 85 degrees Celsius and a relative humidity of substantially 85%.
2. The method of claim 1 , wherein the deuterium process includes treating the segment in the presence of a flame produced by combustion of deuterium gas.
3. The method of claim 2 , wherein a chemical is added to the deuterium gas.
4. The method of claim 2 , wherein oxygen is added to the deuterium gas.
5. The method of claim 1 , wherein the deuterium process includes treating the segment in the presence of a flame produced by combustion of a mixture including deuterium.
6. The method of claim 1 , further comprising:
maintaining a first optic fiber and a second optic fiber proximate to one another along the segment; and
fusing together the segment to form a coupling region using the deuterium process.
7. The method of claim 6 , wherein the first optic fiber and the second optic fiber have different propagation constants.
8. The method of claim 6 , wherein a diameter of the first optic fiber is modified to change the propagation constant associated therewith.
9. The method of claim 6 , wherein a diameter of the first optic fiber is modified by heating the first optic fiber while stretching the first optic fiber to reduce the diameter of a longitudinal segment thereof.
10. The method of claim 9 , wherein the heating includes producing a flame by combustion of deuterium gas.
11. An optic device comprising:
at least one segment treated by a deuterium process, wherein the optic device has a first condition where the optic device has a first splitting loss of a certain quantity, wherein the optic device has a second condition where the optic device has a change in splitting loss of less than 2 dB relative to the first splitting loss, and wherein the second condition is achieved after 2000 hours in an environment having a temperature of substantially 85 degrees Celsius and a relative humidity of substantially 85%.
12. The optic device of claim 11 , wherein the deuterium process comprising heating the at least one segment in the presence of a flame produced by combustion of a mixture including deuterium gas.
13. The optic device of claim 11 , wherein the deuterium process comprising heating the at least one segment in the presence of a flame produced by combustion of a deuterium gas.
14. The optic device of claim 11 , wherein the optic device exhibits no high excess loss in the E-band portion of the CWDM spectrum.
15. The optic device of claim 11 , wherein the optical device exhibits no high excess loss near 1380 nm of the CWDM spectrum.
16. An optic device comprising:
at least two optic fibers having respective longitudinal segments, wherein the longitudinal segments are fused together by a deuterium process;
wherein the optic device exhibits no high excess loss in a portion of the CWDM spectrum, wherein the optic device has a first condition where the optic device has a first splitting loss of a certain quantity, wherein the optic device has a second condition where the optic device has a change in splitting loss of less than 2 dB relative to the first splitting loss, and wherein the second condition is achieved after 2000 hours in an environment having a temperature of substantially 85 degrees Celsius and a relative humidity of substantially 85%.
17. The optic device of claim 16 , wherein the portion of the CWDM spectrum includes the 1360 nm to 1460 nm portion of the CWDM spectrum.
18. The optic device of claim 16 , wherein the optical device exhibits no high excess loss in 1380 nm to 1390 region of the CWDM spectrum.
19. The optic device of claim 16 , wherein the optical device exhibits no high excess loss near 1380 nm of the CWDM spectrum.
20. The optic device of claim 16 , wherein the optical device exhibits no high excess loss near 1390 nm of the CWDM spectrum.
21. The optic device of claim 16 , wherein the change in splitting loss is less than 0.5 dB.
22. The optic device of claim 16 , wherein the change in splitting loss is less than 0.2 dB.
23. The optic device of claim 11 , wherein the change in splitting loss is less than 0.5 dB.
24. The optic device of claim 11 , wherein the change in splitting loss is less than 0.2 dB.
25. The method of claim 1 , wherein the change in splitting loss is less than 0.5 dB.
26. The method of claim 1 , wherein the change in splitting loss is less than 0.2 dB.