Centering method, centering method determination apparatus, and manufacturing method

The lens alignment method uses machine learning and reinforcement learning to adjust lens position and orientation based on laser light intensity distribution, addressing the precision issues of conventional methods and improving alignment efficiency.

JP7841871B2Active Publication Date: 2026-04-07FUJIKURA LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-10-27
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Conventional lens alignment methods fail to achieve the required precision due to predetermined sequences of translational and rotational operations, leading to incomplete centering of lenses in optical devices.

Method used

A lens alignment method that generates images representing the two-dimensional intensity distribution of laser light, selects a combination of translation and rotation based on these images using machine learning and reinforcement learning, and repeatedly adjusts the lens until predetermined conditions are met.

Benefits of technology

This method significantly reduces the likelihood of incomplete alignment and can shorten the alignment time by avoiding unnecessary operations, ensuring precise lens centering.

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Patent Text Reader

Abstract

To provide an alignment method that hardly causes a situation in which alignment with predetermined accuracy is not completed.SOLUTION: An alignment method (S1) includes: a generation process (S11) of generating an image representing two-dimensional intensity distribution of a laser beam that has transmitted through a lens (12); a selection process (S12) of selecting a combination of a moving direction and a moving amount for translating the lens (12) or a combination of a rotating axis and a rotating amount for rotating the lens (12) based on the image; and a translation / rotation process (S13) of translating the lens in the moving direction by the moving amount or rotating the lens (12) around the rotating axis by the rotating amount.SELECTED DRAWING: Figure 2
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Citation Information

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