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Optogalvanic Laser Frequency Stabilization
1986The CO2 laser radiation field intensity is large enough and when is varied it introduces significant changes in the laser plasma microscopic parameters such as discharge sidelight intensity, plasma impedance and gas temperature. From among these parameters, a distinct interest is given to plasma impedance, because it is possible to establish a direct ...
D. C. Dumitras +3 more
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Stabilizing the low frequencies
The Leading Edge, 2007Acoustic and elastic impedance sections have two main uses. Firstly, they “look more like geology” than traditional reflectivity data, and enable us to better communicate the subsurface images to our non-geoscientist colleagues (e.g., reservoir engineers and drillers).
Dave Whitcombe, Linda Hodgson
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A Stabilized Frequency Divider
Proceedings of the IRE, 1941A method is described for stabilizing the frequency of a relaxation oscillator to any required degree. The stabilized oscillator may be synchronized with a high-order submultiple of a control frequency without any possibility of synchronization at any other submultiple, even if the operating conditions vary widely; the maintenance of synchronization ...
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Frequency stabilized diode lasers
AIP Conference Proceedings, 1991Frequency stabilized semiconductor lasers have many applications in spectroscopy, metrology and coherent communication systems. The last trends and results on frequency stabilization of laser diodes are presented in the report.Three laser systems are considered: a solitary laser diode, a diode with integrated composite cavity, and a semiconductor laser
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Frequency stability and measurement
1993An ideal source provides a single spectral line with zero width and finite energy. This strange mathematical world does not exist in practice, because real oscillators produce lines of finite width and have random amplitude, frequency and phase fluctuations.
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Frequency comb-to-comb stabilization over a 1.3-km free-space atmospheric optical link
Light: Science and Applications, 2022Jaewon Yang +2 more
exaly