David Guerra
Saint Anselm College
21 Papers
101 Citations
David Guerra is an academic researcher from Saint Anselm College. The author has contributed to research in topics: Lidar & Conical scanning. The author has an hindex of 8, co-authored 21 publications. Previous affiliations of David Guerra include McDaniel College.
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Papers
A longer vernal window: the role of winter coldness and snowpack in driving spring transitions and lags
Alexandra R. Contosta,A. C. Adolph,Denise Burchsted,Elizabeth A. Burakowski,Elizabeth A. Burakowski,Mark B. Green,David Guerra,Mary R. Albert,Jack E. Dibb,Mary E. Martin,William H. McDowell,Michael R. Routhier,Cameron P. Wake,Rachel J. Whitaker,Wilfred M. Wollheim +14 more
TL;DR: The sequence of physical and biogeochemical transitions and lags during the vernal window period is established to understand how climate change may alter them and to modeled lags as a function of both winter coldness and snow depth, both of which are expected to decline with climate change.
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Holographic Optical Elements as Scanning Lidar Telescopes
TL;DR: In this paper, the use of holographic optical elements (HOEs) and holographic transmission gratings for scanning lidar telescopes was investigated, and two lidar systems based on this technology have been designed, built, and successfully tested in atmospheric science applications.
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Stimulated Raman scattering in hydrogen pumped with a tunable, high power, narrow linewidth alexandrite laser
David Guerra,Richard B Kay +1 more
TL;DR: In this paper, the authors studied the conversion efficiency and the linewidth of the Stokes components which result from stimulated Raman scattering (SRS) in hydrogen gas pumped with a high power alexandrite laser.
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Prototype holographic atmospheric scanner for environmental remote sensing
TL;DR: A ground-based atmospheric lidar system that utilizes a holographic optical telescope and scanner has been developed and successfully operated to obtain atmospheric backscatter profiles as discussed by the authors, using a volume phase reflection HOE.
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