REFERENCES 



1. R. Frank Busby Associates, Underwater Inspection/Testing/Monitoring of Offshore 

 Structures, February 1979 (Commerce Contract 7-35336). 



2. NOSC TR 217, FY 77 Subsea Solar Scan Acoustic Television (SUBSAT) Tests, by A. 

 Gordon, March 1978. 



3. Experimental Autonomous Vehicle Program EAVE; Development of Unmanned, 

 Untethered Submersible Technology for Inspection Tasks, prepared for USGS Research 

 and Development Program for Outer Continental Shelf Oil and Gas Operations. 



4. Heckman, P. J., and H. B. McCracken, An Untethered, Unmanned Submersible, 

 Proceedings of Oceans '79, September 1979, p 733-737. 



5. NOSC TR 622, Free-Swimming Submersible Testbed (EAVE WEST), by Paul J. 

 Heckman, September 1980. 



6. Gloge, D., Bending Loss in Multimode Fibers with Graded and Ungraded Core Index, 

 Applied Optics, v II, 1972, p 2506-2513. 



7. NOSC TR 632, Development of an Underwater Manipulator for Use on a Free-Swimming 

 Unmanned Submersible, by Peter Bosse and P. J. Heckman, October 1980. 



8. Timmerman, C. C, Signal-to-Noise Ratio of a Video Signal Transmitted by a Fiber Optic 

 System using Pulse Frequency Modulation, IEEE Transactions on Broadcasting, v BC-23, 

 no 1, March 1977. 



9. Cowen, S. J., Fiber Optic System for Transmission of Video Signals by Pulse Frequency 

 Modulation, Proceedings of Oceans '79, September 1979, p 253-259. 



10. Cowen, S. J., Fiber Optic System of Video Signals by Pulse Frequency Modulation, 

 patent apphcation under U.S. Navy case no 63094, 15 February 1980; disclosed 



9 April 1977. 



1 1. Tobey, G. E., J. G. Graeme, and L. P. Huelsman, Operational Amplifiers; Design and 

 Applications, McGraw-Hill, 1971, p 419-420. 



12. Pauter, P. F., Modulation, Noise and Spectral Analysis, McGraw-Hill, 1965, p 506, 536. 



13. Cowen, S. J., G. Wilkins, and C. Chang, Fiber Optic Duplex Dichroic Coupler, NOSC 

 patent disclosure, June 1979. 



14. Redfern, J., High Pressure Optical Bulkhead Penetrator, U.S. Patent 3,825,320, filed 

 2 March 1973; granted 23 July 1974. 



15. Cowen, S. J., J. H. Daughtry, C. Young, and J. Redfern, Undersea High Pressure Bulkhead 

 Penetrator for use with Fiber Optic Cables, U.S. Patent, Navy case no NOSC-86, filed 

 November 1980. 



16. NOSC TR 644, A High-Performance Optical Fiber Pressure Penetrator for use in the 

 Deep Ocean, by S. J. Cowen, in preparation. 



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