Optical initiation spot size effects in low-density PETN

Adrian A. Akinci; Steven A. Clarke; Keith A. Thomas; Alan C. Munger

doi:10.1117/12.681121

1 September 2006 Optical initiation spot size effects in low-density PETN

Adrian A. Akinci, Steven A. Clarke, Keith A. Thomas, Alan C. Munger

Proceedings Volume 6287, Optical Technologies for Arming, Safing, Fuzing, and Firing II; 628709 (2006) https://doi.org/10.1117/12.681121
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Los Alamos National Laboratory is currently designing a series of direct optically initiated (DOI) detonators. The primary purpose of this series of detonators is to achieve a level of safety in the face of unintentional initiation from an electrical source. The purpose of these experiments is to determine the minimum spotsize that will initiate the low density initial pressing in these laser detonators. With this information it is expected that a more robust optically initiated detonator can be designed and manufactured. Results from a series of experiments will be discussed. First a range of small core diameter fiber optics with varying energy injection levels will be tested to find the minimum energy level necessary to achieve reliable initiation. Second, a range of apertures will be employed to trim the spotsize down to a minimum size that will still maintain reliable initiation. This information will help to understand whether the initiation criteria for the DOI Laser Detonator are dominated by energy density, total energy or a combination of these criteria.

Citation Download Citation

Adrian A. Akinci, Steven A. Clarke, Keith A. Thomas, and Alan C. Munger "Optical initiation spot size effects in low-density PETN", Proc. SPIE 6287, Optical Technologies for Arming, Safing, Fuzing, and Firing II, 628709 (1 September 2006); https://doi.org/10.1117/12.681121

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