Abstract
This work describes the design, realization, and testing of a novel compact tiltmeter model, which is based on a simple free pendulum and optical detection. Two equal prototypes were built and metrologically characterized against each other. Various mechanical and electronic noise sources were first analyzed theoretically, in order to identify the expected contributions to resolution and long-term stability. The stability of the prototypes was then measured and characterized with the Allan variance as a function of averaging time. Experimental results confirm the theory. The best measured resolution is 300 prad and is obtained with an averaging time of 300 s. The dynamic range is /spl plusmn/300 /spl mu/rad. Such values are suitable for the needs which stimulated the development of the device; however, improvements are possible and directions for the realization of a better version are indicated.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
