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Active MEMS for Wireless and Optical Space Communications

Develops MEMS focusing mirrors for space communications, aiming to reduce costs and mass of optical links. Applications include planetary exploration missions. Milestones, funding, and future plans discussed.

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Active MEMS for Wireless and Optical Space Communications

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  1. NASA SpaceCommunications Symposium Active MEMS for Wireless and Optical Space Communications Principal Investigators: Frank Merat, Stephen Phillips Task Number: NAG3-2578 Case Western Reserve University September 18, 2002

  2. Design MEMS focusing mirrors with electrostatic actuated pointing mechanisms. Develop batch microfabrication processes. Produce and test devices. start date 12/01/01. 100 m Active MEMS for Communications • Project Overview

  3. Enterprise Relevance: This technology has applications in access and proximity networks. Planetary exploration missions are the primary targets where: 1. Access networks are used for communications between satellites and surface vehicles. 2. Proximity networks are used for communications between surface vehicles. Impact: Mass produced MEMS based transmitters and receivers for optical links in proximity and access networks promise: 1. Reduced manufacturing costs 2. Reduced system mass Active MEMS for Communications • Enterprise Relevance and Impact

  4. 300 570 p 200 p tensile 100 MultiPoly Ñ m p Stress (MPa) Ñ 0 Ñ Ñ D D -100 615 D compressive -200 D -300 700 800 900 1000 1100 1200 as-deposited Annealing Temperature (C) Active MEMS for Communications • Milestones - Technical Accomplishments and Schedules Film Stress (MPa) 570 C 615 C Film Thickness (µm, from SiO2 interface)

  5. Active MEMS for Communications • Milestones - Technical Accomplishments and Schedules

  6. Active MEMS for Communications • Milestones - Technical Accomplishments and Schedules

  7. Active MEMS for Communications • Risks

  8. Phase one funding ended on budget. Phase two funding through March 2003. Student funding (1 graduate assistant) budgeted. Processing fees are thin. Active MEMS for Communications • Funding Issues

  9. Active MEMS for Communications • Future Plans

  10. Provide a list of all papers published and awards received. Active MEMS for Communications • Papers and Awards

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