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element14.com is a design engineer community for sharing electronic engineering solutions. Find resources for technical components, specifications and expert advice.

This is a community discussion board forum for portable lighting enthusiasts, dealers and manufacturers.

Lumerical provides photonic and optoelectronic TCAD device simulation and photonic integrated circuit design products

LEDs Magazine - LED Technology, Solid State Lighting and other LED Applications

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Photopia is the industry leading optical design software focused on the architectural lighting community, and is provided by LTI Optics, who also offers optical design consulting services.

Mentor Graphics® is a leader in electronic design automation. We enable companies to develop better electronic products faster and more cost-effectively. Our innovative products and solutions help engineers conquer design challenges in the increasin...

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Avnet Express is an electronic components distributor offering services, datasheet download and PDF s for over 3M+ part numbers. Order and search part numbers online with Same Day Shipping.

IEEE Xplore. Delivering full text access to the world