JP2020509432A - 光学応用のための装置、分光計システム、及び、光学応用のための装置を製造するための方法 - Google Patents
光学応用のための装置、分光計システム、及び、光学応用のための装置を製造するための方法 Download PDFInfo
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- G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
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- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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Abstract
Description
従来の分光計からのスペクトルを本発明の概念による分光計と比較するために、2×2ファイバカプラが使用され、カプラの上部入力ポートはS−LEDに、上部出力ポートは15のピークを生じているFBGセンサファイバに接続された。センサの後方反射信号は、(a)ではOCEAN光学フレーム分光計を用いて、(b)ではそれは、検出器として、2cm焦点距離の市販のWebCamモジュールとMSWindowsの標準ドライバとを有する装置300に置き換えられてファイバカップラの下部出力ポートで測定された。
したがって、円筒対称の光ファイバなどの導波路では、光は、回折角に対応する開口角(図11においては約80°)を有する、対称軸としてのファイバの光伝搬軸周りの円錐の形で放射される。
Claims (14)
- 光学用途の装置であって、
光伝搬軸に沿って光を導くように構成され、前記光伝搬軸に沿って第1屈折率を有する光学導波路であって、前記第1屈折率は第2屈折率を有する複数の部分によって中断され、各部分は前記光伝搬軸に実質的に垂直な長軸と、前記光伝搬軸及び前記長軸に実質的に垂直な短軸とを有する、光学導波路と、
前記光学導波路の側部に配置された受信器ユニットと、を有し、
前記受信器ユニットは、前記長軸と前記光伝搬軸とによって画定される主散乱面にある散乱方向において前記複数の部分から散乱する光を受信するように配置されている、
装置。 - 光学用途のための装置であって、
光伝搬軸に沿って光を導くように構成され、前記光伝搬軸に沿って第1屈折率を有する光学導波路であって、前記第1屈折率は第2屈折率を有する複数の部分によって中断され、各部分は前記光伝搬軸に実質的に垂直な長軸と、前記光伝搬軸及び前記長軸に実質的に垂直な短軸とを有する、光学伝搬路と、
前記光学導波路の側部に配置された送信器ユニットと、を有し、
前記送信器ユニットは、前記長軸及び前記光伝搬軸によって画定される主散乱面にある散乱方向において前記複数の部分へ光を送信するように配置されており、
前記散乱方向は、前記光伝搬軸に対する散乱角度を有する、
装置。 - 前記受信器ユニットは、前記散乱方向において前記複数の部分から散乱する光を検出するために一列に配置された検出器要素を有する、
請求項1記載の装置。 - 前記検出器要素の列は、前記光伝搬軸に対して実質的に平行であり、前記主散乱面にある、
請求項3記載の装置。 - 前記複数の部分は、前記光伝搬軸の方向に格子を形成し、
前記部分の間の距離は、前記複数の部分で散乱する光の干渉によって、前記主散乱面においてレンズ機能が得られるように選択されるか、又は
前記光伝搬軸は、屈曲される前記光伝搬軸に沿って配置される前記複数の部分で散乱する光の干渉によって、前記主散乱面においてレンズ機能が得られるように屈曲される、
請求項1乃至4いずれか1項記載の装置。 - 前記レンズ機能は、前記複数の部分で散乱する光を集光する集光レンズに対応する、
請求項5記載の装置。 - 前記の各部分は、楕円体状の形状を有し、
前記楕円体の長軸は、前記光学導波路内を導かれる光の波長の2倍よりも長く、前記楕円体の短軸は、前記光の前記波長のオーダーにあるかそれよりも小さい、
請求項1乃至6いずれか1項記載の装置。 - 前記光学導波路は、回折光を提供するように、前記光伝搬軸に沿った光学ブラッグ格子をさらに有する、
請求項1乃至7いずれか1項記載の装置。 - 前記複数の部分は、前記光伝搬軸の伝搬方向に伝搬する光の主散乱面での前記散乱方向が、前記伝搬方向の反対方向に伝搬する光の主散乱面での他の散乱方向と異なるように適合されている、
請求項1乃至8いずれか1項記載の装置。 - 光源及び請求項3乃至9いずれか1項記載の装置を有する分光計システムであって、
前記光源の光は、前記光を前記光伝搬軸に沿って導くように、入力ポートにおいて前記光学導波路に結合されている、
分光計システム。 - 前記光伝搬軸に沿って伝搬する光を受信するように、前記光学導波路の出力ポートに結合された光学ブラッグ格子センサをさらに有する、
請求項10記載の分光計システム。 - 前記光学導波路は、相互に実質的に平行な少なくとも2つの光伝搬軸を有する、
請求項10又は11記載の分光計システム。 - 前記分光計システムは、前記光伝搬軸の方向において順次配置される、請求項3乃至9いずれか1項記載の少なくとも2つの装置を有する、
請求項10乃至12いずれか1項記載の分光計システム。 - 光学用の装置を製造するための方法であって、
光伝搬軸に沿って光を導くように構成され、前記光伝搬軸に沿って第1屈折率を有する光学導波路を提供するステップと、
第2屈折率を有する複数の部分を生成するために、前記光伝搬軸上に短レーザパルスを集光するステップであって、各部分は光伝搬軸に対して実質的に垂直な長軸と、前記光伝搬軸及び前記長軸に対して実質的に垂直な短軸とを有する、ステップと、
光学導波路の側部に受信器ユニット又は送信器ユニットを配置するステップであって、前記長軸及び前記光伝搬軸によって画定される主散乱面にある散乱方向において、前記複数の部分からの光又は前記複数の部分への光の受信又は送信を可能にする、ステップと、
を含む方法。
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WO2018153868A1 (en) | 2018-08-30 |
CN110300907A (zh) | 2019-10-01 |
EP3586177A1 (en) | 2020-01-01 |
JP7042285B2 (ja) | 2022-03-25 |
US10962415B2 (en) | 2021-03-30 |
CA3054245A1 (en) | 2018-08-30 |
EP3879316C0 (en) | 2023-09-13 |
EP3586177B1 (en) | 2021-06-30 |
KR20190117578A (ko) | 2019-10-16 |
KR102550942B1 (ko) | 2023-07-03 |
EP3879316B1 (en) | 2023-09-13 |
EP3879316A1 (en) | 2021-09-15 |
US20200018647A1 (en) | 2020-01-16 |
US11698302B2 (en) | 2023-07-11 |
CN110300907B (zh) | 2022-05-10 |
US12018985B2 (en) | 2024-06-25 |
US20210181021A1 (en) | 2021-06-17 |
ES2961722T3 (es) | 2024-03-13 |
US20230314217A1 (en) | 2023-10-05 |
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