JP2023540573A - ノイズ緩和のための光学システム - Google Patents
ノイズ緩和のための光学システム Download PDFInfo
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- 230000003287 optical effect Effects 0.000 title claims abstract description 234
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- 230000010363 phase shift Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
- G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/48—Laser speckle optics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Optical Elements Other Than Lenses (AREA)
Abstract
Description
本PCT(特許協力条約)特許出願は、2021年9月9日に出願された米国特許仮出願第63/076,249号に対する優先権を主張するものであり、その内容は、その全体が参照により本明細書に組み込まれる。
Claims (20)
- フォトニクスアセンブリであって、
半導体光源のセットであって、前記セットのうちのそれぞれが光を放射するセットと、
前記半導体光源のセットから前記光を受け取るための出力カプラのセットと、
前記出力カプラのセットから前記光を受け取り、前記光を整形するように位置決めされた光学サブシステムと、
サンプル上のコヒーレントノイズ状態のセットのうちののコヒーレントノイズ状態を有する前記光を提供するように構成された拡散器であって、
前記拡散器は、少なくとも第1の位置と第2の位置との間で繰り返し移動するように動作可能であり、
少なくとも前記第1の位置と前記第2の位置との間で繰り返し移動することによって、前記拡散器がコヒーレントノイズを緩和する、
拡散器と、
を備える、フォトニクスアセンブリ。 - 位相シフタのセットが、前記出力カプラのセットのそれぞれの出力カプラに光を伝送するように位置決めされ、デコヒーレンスされた光を生成し、
前記半導体光源のセットを出る際に前記半導体光源のセットによって放射される前記光のビーム広がりは、1~5ミクロンであり、
前記拡散器を出るビーム広がりは、サンプルへの入射時に2~4mmの範囲内である、
請求項1に記載のフォトニクスアセンブリ。 - 前記光学サブシステムが、
前記出力カプラのセットから前記光を受け取るように位置決めされたコリメートアレイと、
前記コリメートアレイから前記光を受け取るように位置決めされた偏向プリズムアレイと、
を含む、請求項1に記載のフォトニクスアセンブリ。 - 前記光学サブシステムが、
前記出力カプラのセットから前記光を受け取るように位置決めされたコリメートアレイと、
前記コリメートアレイから前記光を受け取るように位置決めされた発散アレイと、
を含む、請求項1に記載のフォトニクスアセンブリ。 - 前記光学サブシステムが、前記出力カプラのセットから前記光を受け取るように位置決めされた偏心トロイダルレンズアレイを含む、請求項1に記載のフォトニクスアセンブリ。
- 前記光学サブシステムが、
前記出力カプラのセットから前記光を受け取るように位置決めされたシリンダレンズアレイと、
前記シリンダレンズアレイから前記光を受け取るように位置決めされた交差シリンダレンズアレイと、
を含む、請求項1に記載のフォトニクスアセンブリ。 - 前記拡散器が、8度×8度の光ビームの拡散光を前記サンプルに提供するように構成されている、請求項1に記載のフォトニクスアセンブリ。
- 光学システムであって、
複数の光ビームを有する光を放射するための半導体光源のセットと、
前記半導体光源のセットから前記光を受け取るための出力カプラのセットと、
可動拡散要素であって、
前記光カプラのセットから前記光を受け取り、
前記出力カプラのセットのそれぞれの出力カプラに対する位置のセットに移動して、前記出力カプラのセットのそれぞれの出力カプラに対応する異なるコヒーレントノイズ状態のセットを提供しサンプルに入射する照明プロファイルを定義する
ように構成された可動拡散要素と、
を備える、光学システム。 - 前記出力カプラのセットから前記光を受け取るように構成された光学サブシステムと、
前記光をデコヒーレンスするための位相シフタのセットとを更に備え、
前記出力カプラのセットによって受け取られた前記複数の光ビームの各光ビームが、前記位相シフタのセットのうちの対応する位相シフタによってデコヒーレンスされ、
前記位置のセットのそれぞれは繰り返し可能である、
請求項8に記載の光学システム。 - 前記出力カプラのセットによって提供される前記光をデコヒーレンスするための周波数変調器
を更に備える、請求項8に記載の光学システム。 - 前記可動拡散要素が円形拡散器である、請求項8に記載の光学システム。
- 前記照明プロファイルが、前記光学サブシステムから受け取られた光の角度間隔に少なくとも部分的に基づく、請求項8に記載の光学システム。
- 前記照明プロファイルが、前記拡散器に入射する光の角度の全範囲に少なくとも部分的に基づく、請求項8に記載の光学システム。
- 前記半導体光源のセットのそれぞれの光源によって放射される前記光が、異なる波長である、請求項8に記載の光学システム。
- コヒーレントノイズを緩和するための方法であって、
光源のセットからデコヒーレンスされた光を放射することと、
所望の照明プロファイルを生成する光学サブシステムにおいて前記デコヒーレンスされた光を受信することと、
前記光源のセットのそれぞれの光源から受け取られた各光ビームに対するコヒーレントノイズ固有拡散器状態で可動拡散器を使用して、前記デコヒーレンスされた光の前記所望の照明プロファイルを拡散させることと、
を含む、方法。 - 前記照明プロファイルが、前記光学サブシステムから受け取られた光の角度間隔に少なくとも部分的に基づき、
前記コヒーレントノイズ固有拡散器状態が、各光ビームに対して繰り返し可能であり光の角度の全範囲が前記拡散器に入射する、
請求項15に記載の方法。 - 前記デコヒーレンスされた光を放射することが、前記光源のセットを出る際に4ミクロン未満であるビーム広がりを生成することを含む、請求項15に記載の方法。
- 前記デコヒーレンスされた光を拡散させることが、サンプルに入射するときに3.2mm未満のビーム広がりを生成することを含む、請求項17に記載の方法。
- 前記デコヒーレンスされた光を放射することが、前記デコヒーレンスされた光を位相シフトすることを含む、請求項15に記載の方法。
- 前記光源のセットのそれぞれの光源が、互いに異なる波長を放射し、
前記デコヒーレンスされた光を拡散させることが、コヒーレントノイズビューのセットを生成することを含み、同じコヒーレントノイズビューが各波長について生成される、
請求項15に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063076249P | 2020-09-09 | 2020-09-09 | |
US63/076,249 | 2020-09-09 | ||
PCT/US2021/049683 WO2022056142A1 (en) | 2020-09-09 | 2021-09-09 | Optical system for noise mitigation |
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JP2023540573A true JP2023540573A (ja) | 2023-09-25 |
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JP2023515260A Pending JP2023540573A (ja) | 2020-09-09 | 2021-09-09 | ノイズ緩和のための光学システム |
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US (2) | US11852318B2 (ja) |
EP (1) | EP4176304A1 (ja) |
JP (1) | JP2023540573A (ja) |
KR (1) | KR20230043191A (ja) |
CN (1) | CN116057454A (ja) |
WO (1) | WO2022056142A1 (ja) |
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EP4176304A1 (en) | 2023-05-10 |
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