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Integrated molded plastic optical system for a laser diode collimating and aberration correction configuration
Integrated molded plastic optical system for a laser diode collimating and aberration correction configuration
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机译:用于激光二极管准直和像差校正配置的集成成型塑料光学系统
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摘要
A laser diode collimating and aberration correction (LDCC) molded plastic optical system having a refractive lens(es) to collimate fast axis and a refractive lens(es) to collimate the slow axis of the laser diode (this lens combination is termed a cross cylindrical lens system) with a diffractive element(s) to correct for astigmatism and provide circularization of the output laser beam. All optical elements are molded in plastic to high tolerances with regard to the surface optical figure (shape of the curved surface), surface roughness, and alignment between surfaces (tilt, rotation, and translation). With proper alignment of the optical system to a suitable laser diode emitter, the combination of optic and laser diode is capable of delivering diffraction limited performance—collimated beam, circular beam cross section, and no astigmatism.
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