5 October 1999 Hyperbolic and oval cylindrical lenses to compress the semiconductor laser beam
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Abstract
TO utilize the mother lines to be perpendicular to each other in front and rear groups of cylindrical lenses, diffusing beam 44 degrees X 13 degrees from the window of semiconductor laser are compressed as 'parallel rays' to emerge into +/- 0.0025 rad. The sizes of the laser window are 0.1285 mm X 3.239 mm. The front focal points of cylindrical lenses in two groups are superimposed on the center of the window, and its types of second surfaces are hyperbolic and oval.
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Chunxia Li, Chunxia Li, Runshun Li, Runshun Li, LiHeng Liu, LiHeng Liu, } "Hyperbolic and oval cylindrical lenses to compress the semiconductor laser beam", Proc. SPIE 3779, Current Developments in Optical Design and Optical Engineering VIII, (5 October 1999); doi: 10.1117/12.368198; https://doi.org/10.1117/12.368198
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