Simultaneous Wavelength Comparison of Lodine-Stabilized Lasers at 515 nm, 633 nm, and 640 nm

The wavelengths of an Ar+ laser at 515 nm and of He-Ne lasers at 633 and 640 nm, all stabilized by saturated absorption in iodine-127, have been compared simultaneously by means of a servo-controlled Michelson interferometer. A new technique has been developed using a single polarization fiber for c...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 1985-06, Vol.IM-34 (2), p.248-251
Main Author: Bonsch, G.
Format: Article
Language:English
Subjects:
Diffraction
Fiber lasers
Frequency measurement
Laser stability
Lighting
Optical coupling
Optical fiber polarization
Optical interferometry
Reproducibility of results
Wavelength measurement
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Summary:The wavelengths of an Ar+ laser at 515 nm and of He-Ne lasers at 633 and 640 nm, all stabilized by saturated absorption in iodine-127, have been compared simultaneously by means of a servo-controlled Michelson interferometer. A new technique has been developed using a single polarization fiber for coupling the light to the interferometer and for examining the adjustment condition. This technique facilitates a comparatively simple and almost perfect optical adjustment. Relative uncertainties of less than 4 X 10-11 have been obtained for the comparison measurements.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.1985.4315316