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# Hollow-Core Optical Fiber

Confining light to an air core fiber is not easily done using traditional guidance methods such as total internal reflection. In this presentation we demonstrate guidance in air using photonic band gap guidance and anti-resonant rings. Single-mode hollow-core optical fibers with large cores, resulting in low loss are shown. We also present the attenuation dependence in these fibers and how, using fibers that guide light in air, we are able extend the wavelength range of silica fibers out to the infra-red.

Posted in: Tech Talks

# Designing for Stereolithography - 10 ways to Ready Your Part for Industrial 3D Printing

Designing for industrial-grade 3D printing has fewer considerations than traditional manufacturing processes; however, elements such as resolution, surface finish, feature size and build orientation can impact part performance.

Posted in: Tech Talks

# Designing Smart Medical Devices with Force Sensing Technology

This session will explore the exciting new trend toward designing smart medical devices that provide critical force feedback to eliminate guesswork, improve outcomes, and increase consistency.

Posted in: Tech Talks

# Thermal Management: Heat Pipes, HiKTM Plates, and Vapor Chambers – Selection and Modeling

Heat pipes, high conductivity (HiK™) plates, and vapor chambers are two phase technologies that are often considered for electronics cooling.  All three devices rely on the very high evaporation and condensation coefficients of two phase fluids to reduce the ΔT between the source and the sink for a given power.  When properly engineered for power and mission duration, all of these devices provide passive, reliable cooling.

Posted in: On-Demand Webinars

# Technical Webinar Series from the Editors of SAE: Next-Generation Advanced Combustion/Aftertreatment

In Conjunction with SAE The proven, reliable, and still low-cost internal-combustion engine continues to evolve to meet more stringent global vehicle emission and fuel economy regulations, driven by ongoing technology developments by OEMs, engineering consultancies, national labs, and research universities.

Posted in: On-Demand Webinars

# Stevan Spremo, Project Manager, COTSAT-1, Ames Research Center, Moffett Field, CA

Stevan Spremo is the project manager of COTSAT-1, or Cost Optimized Test of Spacecraft Avionics and Technologies. The ongoing development project aims to build a fully functional spacecraft for $500,000 in parts and$2 million labor. The prototype is the first of what could be a series of rapidly produced, low-cost flight vehicles.

Posted in: Podcasts