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Seafaring drones on Lake Superior will soon allow a team of Cornell scientists to examine fresh details about the abundance and distribution of forage fish – species, such as zooplankton and shrimp, w...
Some sufficient conditions for infinite collisions of simple random walks on a wedge comb
wedge comb simple random walk infinite collision property local time
2016/1/19
In this paper, we give some sufficient conditions for the infinite collisions of independent simple random walks on a wedge comb with profile {f(n),n ∈ Z}.One interesting result is that two independen...
Chemists Create “Comb” that Detects Terahertz Waves with Extreme Precision
Chemists Comb Terahertz Waves Extreme Precision
2015/4/29
Light can come in many frequencies, only a small fraction of which can be seen by humans. Between the invisible low-frequency radio waves used by cell phones and the high frequencies associated with i...
Offset frequency dynamics and phase noise properties of a self-referenced 10 GHz Ti:sapphire frequency comb
Offset frequency dynamics phase noise properties self-referenced 10 GHz sapphire frequency comb
2011/8/11
Abstract: This paper shows the experimental details of the stabilization scheme that allows full control of the repetition rate and the carrier-envelope offset frequency of a 10 GHz frequency comb bas...
Frequency Comb Velocity-Modulation Spectroscopy
Frequency Comb Velocity Modulation Spectroscopy Atomic Physics
2011/8/4
Abstract: We have demonstrated a new technique that provides massively parallel comb spectroscopy sensitive specifically to ions through the combination of cavity-enhanced direct frequency comb spectr...
Spectral and temporal characterization of a fused-quartz microresonator optical frequency comb
Spectral and temporal characterization fused-quartz microresonator optical frequency comb
2011/9/1
We report on the fabrication of high-Q, fused-quartz microresonators and the parametric genera-tion of a frequency comb with 36 GHz line spacing using them. We have characterized the intrinsic stabili...
We report on realization of an efficient triply-resonant coupling between two long lived optical modes and a high frequency surface acoustic wave (SAW) mode of the same monolithic crystalline whisperi...
Green function for a non-Markovian Fokker-Planck equation: Comb-model and anomalous diffusion
Anomalous diffusion Comb-model Fokker-Planck
2010/7/5
We investigate solutions, by using the Green function approach, for a system governed by a non-Markovian Fokker-Planck equation and subjected to a Comb structure. This structure consists of the axis o...
Feb. 7, 2007，BOULDER, Colo.—Physicists at the Commerce Department’s National Institute of Standards and Technology (NIST) have taken the first ever two-dimensional pictures of a “frequency comb,” prov...