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Displaying 33926 - 33950 of 74176

Characterizing Fiber Bragg Grating Index Profiles to Improve the Writing Process

November 1, 2006
Author(s)
Robert J. Espejo, Mikael Svalgaard, Shellee D. Dyer
We demonstrate an accurate method for identifying both systematic and random errors in a fiber Bragg grating (FBG) writing system and show its application to calibration of the writing process. We first measure the FBG impulse response using low-coherence

Chemical and Physical Characterization of Poly(p-phenylene-2,6-benzobisoxazole) Fibers Used in Body Armor: Temperature and Humidity Aging

November 1, 2006
Author(s)
Joannie W. Chin, E Byrd, Cyril Clerici, Amanda L. Forster, M Oudina, Li Piin Sung, Kirk D. Rice
In recent years, poly(p-phenylene-2,6-benzobisoxazole) (PBO) fibers have become prominent in high strength applications such as body armor, ropes and cables, and recreational equipment. The objectives of this study were to expose woven PBO body armor

Development of Hyperspectral Image Projectors

November 1, 2006
Author(s)
Joseph P. Rice, Steven W. Brown, Jorge E. Neira
We present design concepts for calibrated hyperspectral image projectors (HIP) and related sources intended for system-level testing of instruments ranging from complex hyperspectral or multispectral imagers to simple filter radiometers. HIP, based on the

Enhancing molecular flux through nanopores via attractive interactions

November 1, 2006
Author(s)
John J. Kasianowicz, Tam Nguyen, Vincent M. Stanford
The classic experiments by Galvani and his colleagues in the 1790s led him to suggest that neural conduction and muscle contraction are governed by a form of animal electricity. Nearly 100 years later, Santiago Ramon y Cajal?s use of Golgi stains provided
Displaying 33926 - 33950 of 74176
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