Optical: systems and elements – Single channel simultaneously to or from plural channels
Patent
1996-11-26
1998-07-21
Nelms, David C.
Optical: systems and elements
Single channel simultaneously to or from plural channels
359629, G02B 2710
Patent
active
057842035
ABSTRACT:
An optical concatenation element includes a stack of angularly offset plates of optical glass. Individual radiation beams arranged in a linear array, for example, from an array of laser diodes, are first manipulated by a series of optical elements so that the individual beams are collimated, given a spherical wavefront, and then focused in image space. Second, the beams are focused on the optical concatenation element and manipulated such that the beams are mutually aligned in the direction of low beam quality and thereby concatenated in the direction of high beam quality. The combined beam exiting the optical concatenation element is astigmatic, a quality which may be corrected by one or more optical lenses. The resulting beam is a substantially rotationally symmetrical laser beam of relatively higher radiant power.
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Gordon David P.
Jacobson David S.
Mack Ricky
Nelms David C.
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