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Meeting	ACGS Committee Meeting 108 - Gettysburg - October 2011
Agenda Location	8 SUBCOMMITTEE B – MISSILES AND SPACE 8.3 Some New Inertial Instrument Technologies and Applications
Title	Some New Inertial Instrument Technologies and Applications
Presenter	Stephen Smith
Affiliation	Draper Lab
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	Variation in gravity have long been recognized as an important tool for a wide range of applications such as finding mineral deposits and more recently in monitoring large scale changes in the earth’s structure. Application of these techniques is limited by the cost and complexity of the infrastructure needed for the measurements as well as the sensitivity of the measurements. Two new inertial technologies are presented that can significantly improve the state of the art. The first is a high reliability, precision accelerometer. Leveraging the optical telecom and MEMS industrial infrastructure, we are implementing a low noise, high dynamic range, high reliability, and scalable accelerometer. Performance models predict it will be able to meet the requirements for both airborne and space based gravity measurements. The second is a new class of inertial instruments based on cold atom technologies. Cold atom sensors have the potential to revolutionize precision inertial sensors. They have the potential for extraordinary sensitivity and this single technology base supports a broad array of instruments including gyroscopes, accelerometers, gravity gradiometers and precision clocks.