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Spherical lens element J10919 series
BK7visibleaspherical

spherical lens element
spherical lens element
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Characteristics

Geometry/curvature
spherical
Material
BK7
Optical characteristics
visible, aspherical
Applications
collimator, FAC
Wavelength

808 nm

Description

The J10919 series FAC lens is an optical lens that collimates light spreading from a semiconductor laser (LD) in the fast-axis direction. LD have a large divergence angle in the fast-axis direction, so the output light cannot be efficiently used unless collimated. The FAC lens collimates light spreading from a LD into a narrow beam with a radiation angle of several milliradians (mrad) or less so that the diverging light can be efficiently utilized. Features Aspheric micro-cylindrical lens Highly efficient utilization of light from LD bar Small variations in characteristics allow mass production Minimized smile and side lobes due to high-precision fabricating technology

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