METHOD OF MANUFACTURING OPTICAL ELEMENT ASSEMBLY

To easily manufacture an optical element assembly which has a restricted deviation of an emission optical axis from a design value with respect to an incidence optical axis without adding an adjustment member in a method of manufacturing the optical element assembly.SOLUTION: A method of manufacturi...

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1. Verfasser: FUJIMURA MAMORU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To easily manufacture an optical element assembly which has a restricted deviation of an emission optical axis from a design value with respect to an incidence optical axis without adding an adjustment member in a method of manufacturing the optical element assembly.SOLUTION: A method of manufacturing an optical element assembly includes: holding a first optical element and a second optical element (S1 to S3); arranging an adhesive which is not cured yet (S4); moving the first optical element and second optical element relatively in parallel to layer the adhesive thin (S5); rotating and moving the second optical element relatively to the first optical element (S6); detecting a deviation quantity of an optical axis of inspection light from an emission surface of the optical element assembly or an optical axis of return light from the emission surface due to the inspection light (S6); stopping the relative rotation and movement when the deviation quantity enters a permissible range (S7 to S8); and curing the adhesive to form an adhesive curing layer (S9).SELECTED DRAWING: Figure 3 【課題】光学素子組立体の製造方法において、調整用部材を付加することなく入射光軸に対する出射光軸の設計値からのずれが抑制された光学素子組立体を容易に製造することができるようにする。【解決手段】光学素子組立体の製造方法は、第1光学素子と第2光学素子とを保持すること(S1〜S3)と、未硬化の接着剤を配置すること(S4)と、第1光学素子と第2光学素子とを相対平行移動して接着剤を薄層化すること(S5)と、第1光学素子に対して第2光学素子を相対回転移動させること(S6)と、光学素子組立体の出射面からの検査光の光軸または検査光による出射面からの戻り光の光軸のずれ量を検知すること(S6)と、ずれ量が許容範囲内になったときに相対回転移動を停止させる(S7〜S8)ことと、接着剤を硬化させて接着剤硬化層を形成する(S9)ことと、を含む。【選択図】図3