Passive cooling of a micromechanical oscillator with a resonant electric circuit
Journal Article (Journal Article)
We cool the fundamental mode of a miniature cantilever by capacitively coupling it to a driven rf resonant circuit. Cooling results from the rf capacitive force, which is phase shifted relative to the cantilever motion. We demonstrate the technique by cooling a 7 kHz cantilever from room temperature to 45 K, obtaining reasonable agreement with a model for the cooling, damping, and frequency shift. Extending the method to higher frequencies in a cryogenic system could enable ground state cooling and may prove simpler than related optical experiments in a low temperature apparatus.
Full Text
Duke Authors
Cited Authors
- Brown, KR; Britton, J; Epstein, RJ; Chiaverini, J; Leibfried, D; Wineland, DJ
Published Date
- September 26, 2007
Published In
Volume / Issue
- 99 / 13
Electronic International Standard Serial Number (EISSN)
- 1079-7114
International Standard Serial Number (ISSN)
- 0031-9007
Digital Object Identifier (DOI)
- 10.1103/PhysRevLett.99.137205
Citation Source
- Scopus