Surface preparation and characterization of a 400 [mu]m diameter fused silica optical fiber for direct optical initiation (DOI) applications
Studies were conducted to determine the effect of lapping and polishing variables on fiber optic surface finish, flatness, perpendicularity to axis, and subsurface characteristics. The studies were done with a fiber having a 400 [mu]m diameter fused silica core and a 440 [mu] outer diameter fused silica cladding used for DOI (direct optical initiation) system developmental work. On fibers polished to the best level of surface finish, laser-induced damage studies conducted at Sandia National Laboratory (SNL) showed that seventy percent of the fibers passed optical power densities in excess of 5 GW/cm[sup 2], without surface damage. The geometry of two fiber optic-connector pairs mated along a common axis in an adapter was investigated to determine the tolerances necessary to achieve a desired degree of angular and positional alignment of the mating fiber surfaces.
- Research Organization:
- Allied-Signal Aerospace Co., Kansas City, MO (United States). Kansas City Div.
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-76DP00613
- OSTI ID:
- 6848893
- Report Number(s):
- KCP-613-4969; ON: DE93005485
- Country of Publication:
- United States
- Language:
- English
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NUCLEAR WEAPONS
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