Thermal tuning of a fiber-optic interferometer for maximum sensitivity

K. J. Bruland, J. L. Garbini, W. M. Dougherty, Shih-Hui Chao, S. E. Jensen, J. A. Sidles

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

We describe a fiber-optic interferometer that employs wavelength changes to achieve maximum sensitivity. Wavelength changes are induced by adjusting the operating temperature of the laser, eliminating the need for an actuator to vary the spacing between the sensing fiber and the object to be monitored. The instrument and techniques described are suitable for cryogenic, high vacuum applications such as magnetic resonance force microscopy, where space is limited and micromanipulation can be challenging. The noise floor of 1.6×10-3 nm/ √Hz is adequate for monitoring subangstrom displacement of force microscope cantilevers.

Original languageEnglish (US)
Pages (from-to)3542-3544
Number of pages3
JournalReview of Scientific Instruments
Volume70
Issue number9
DOIs
StatePublished - Jan 1 1999
Externally publishedYes

Fingerprint

Interferometers
Fiber optics
fiber optics
Vacuum applications
interferometers
Tuning
tuning
Wavelength
sensitivity
Magnetic resonance
high vacuum
operating temperature
wavelengths
Cryogenics
cryogenics
magnetic resonance
Microscopic examination
Microscopes
Actuators
actuators

ASJC Scopus subject areas

  • Instrumentation

Cite this

Bruland, K. J., Garbini, J. L., Dougherty, W. M., Chao, S-H., Jensen, S. E., & Sidles, J. A. (1999). Thermal tuning of a fiber-optic interferometer for maximum sensitivity. Review of Scientific Instruments, 70(9), 3542-3544. https://doi.org/10.1063/1.1149947

Thermal tuning of a fiber-optic interferometer for maximum sensitivity. / Bruland, K. J.; Garbini, J. L.; Dougherty, W. M.; Chao, Shih-Hui; Jensen, S. E.; Sidles, J. A.

In: Review of Scientific Instruments, Vol. 70, No. 9, 01.01.1999, p. 3542-3544.

Research output: Contribution to journalArticle

Bruland, KJ, Garbini, JL, Dougherty, WM, Chao, S-H, Jensen, SE & Sidles, JA 1999, 'Thermal tuning of a fiber-optic interferometer for maximum sensitivity', Review of Scientific Instruments, vol. 70, no. 9, pp. 3542-3544. https://doi.org/10.1063/1.1149947
Bruland, K. J. ; Garbini, J. L. ; Dougherty, W. M. ; Chao, Shih-Hui ; Jensen, S. E. ; Sidles, J. A. / Thermal tuning of a fiber-optic interferometer for maximum sensitivity. In: Review of Scientific Instruments. 1999 ; Vol. 70, No. 9. pp. 3542-3544.
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