ALL FIBER ADJUSTABLE BEAM SHAPING
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
May 22, 2024
filing date -
May 22, 2024
priority date (Note) -
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Abstract
A fused fiber combiner combines outputs from multiple, separately controllable input fibers. At least one of the input fibers includes a portion to vary a transverse spatial intensity distribution in response to controllable perturbation, a portion to convert position to angle, and a portion to preserve the divergence distribution. An output of the combiner is coupled to a divergence-preserving fiber, which preserves a combined divergence distribution guided by the divergence-preserving fiber. An output GRIN lens maps the combined divergence distribution to an output transverse spatial intensity distribution defining a composite beam shape of an output beam, the output transverse spatial intensity distribution representing a superposition of individual channel output beams.
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