JP2005077964A - 分光装置 - Google Patents
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- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29395—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0147—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on thermo-optic effects
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectrometry And Color Measurement (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
【解決手段】 光入力処理部10は、入力光の1つの周期の波長帯のみを透過するバンドパスフィルタ13によってフィルタ透過光を出力し、フィルタ透過光を集光して集光ビームを生成する。光学部品20は、反射率が非対称で高反射率の第1の反射面21及び第2の反射面22を備え、第1の反射面21と第2の反射面22で挟まれる内部領域で、入射された集光ビームを多重反射させて、第2の反射面22を介して分光した光を出射する。受光処理部30は、光学部品20からの出射光の受光処理を行う。制御部40は、バンドパスフィルタ13のフィルタ特性、光学部品20の光路長の少なくとも1つを可変制御する。
【選択図】 図1
Description
VIPA板102で分光された光は、集光レンズ104によって集光されるが、集光レンズ104で集光される箇所に、複数の受光素子からなる受光ディテクタ105を配置しておくことで、分光器としての機能を持たせることができる。図の受光ディテクタ105は、1つの波長帯の中の短波長λS、中波長λC、長波長λLを受光している様子を示している。
図17は温度を利用してVIPA板20の光路長を変化させる構成を示す図である。容器200は、VIPA板20、ヒータ201を含み、光の入射部と出射部にガラス窓202、203を設けた構成をとる。これにより、容器200は、VIPA板20を気密封止した恒温槽となる。また、ヒータ201はペルチェ素子などで構成し、制御部40からの制御信号によって、ヒータ201の温度調節を行って、VIPA板20に対して均一に温度制御を施す。
入力光を透過するバンドパスフィルタによってフィルタ透過光を出力し、前記フィルタ透過光を集光して集光ビームを生成する光入力処理部と、
第1の反射面及び第2の反射面を備え、第1の反射面と第2の反射面で挟まれる内部領域で、入射された前記集光ビームを多重反射させて、第2の反射面を介して分光した光を出射する光学部品と、
前記バンドパスフィルタのフィルタ特性、前記光学部品の光路長の少なくとも1つを可変制御する制御部と、
を有することを特徴とする分光装置。
(付記8) ヒータを含み、光の入射部と出射部にガラス窓を設けた容器に、前記光学部品を気密封止して恒温槽とし、前記制御部は、ヒータの温度調節をすることによって、前記光学部品の光路長を可変にすることを特徴とする付記7記載の分光装置。
入力光を集光して集光ビームを生成する光入力処理部と、
第1の反射面及び第2の反射面を備え、第1の反射面と第2の反射面で挟まれる内部領域で、入射された前記集光ビームを多重反射させて、第2の反射面を介して分光した光を出射する光学部品と、
前記光学部品の光路長、分光分解能の少なくとも1つを可変制御する制御部と、
を有することを特徴とする分光装置。
(付記16) ヒータを含み、光の入射部と出射部にガラス窓を設けた容器に、前記光学部品を気密封止して恒温槽とし、前記制御部は、ヒータの温度調節をすることによって、前記光学部品の光路長を可変にすることを特徴とする付記15記載の分光装置。
10 光入力処理部
11 コリメートレンズ
12 シリンドリカルレンズ
13 バンドパスフィルタ
20 VIPA板
21 反射面
22 分光面
23 照射窓
30 受光処理部
31 集光レンズ
32 受光ディテクタ
32a〜32e 受光素子
40 制御部
Claims (5)
- 光の分光を行う分光装置において、
入力光を透過するバンドパスフィルタによってフィルタ透過光を出力し、前記フィルタ透過光を集光して集光ビームを生成する光入力処理部と、
第1の反射面及び第2の反射面を備え、第1の反射面と第2の反射面で挟まれる内部領域で、入射された前記集光ビームを多重反射させて、第2の反射面を介して分光した光を出射する光学部品と、
前記バンドパスフィルタのフィルタ特性、前記光学部品の光路長の少なくとも1つを可変制御する制御部と、
を有することを特徴とする分光装置。 - 前記バンドパスフィルタは、厚みが異なる誘電体多層膜を蒸着した傾斜膜で構成し、前記制御部は、傾斜膜の傾斜に応じて透過する波長帯が変わるように、前記バンドパスフィルタを可動させて光が当たる傾斜位置を変えることで、透過波長を選択することを特徴とする請求項1記載の分光装置。
- 光の分光を行う分光装置において、
入力光を集光して集光ビームを生成する光入力処理部と、
第1の反射面及び第2の反射面を備え、第1の反射面と第2の反射面で挟まれる内部領域で、入射された前記集光ビームを多重反射させて、第2の反射面を介して分光した光を出射する光学部品と、
前記光学部品の光路長、分光分解能の少なくとも1つを可変制御する制御部と、
を有することを特徴とする分光装置。 - 前記光学部品からの出射光を、前記光学部品による分光方向及び分光方向の垂直方向に集光する後段側集光レンズと、光スペクトルを検出する受光ディテクタと、前記後段側集光レンズと前記受光ディテクタの間に設置し、前記光学部品による分光方向の垂直方向に光を分光する分光部と、から構成される受光処理部をさらに有することを特徴とする請求項3記載の分光装置。
- 前記分光部は、前記光学部品による分光方向の垂直方向に光を分光する透過型の第1の回折格子と、前記第1の回折格子によって分光された光を平行光にする透過型の第2の回折格子と、から構成される回折格子対とすることを特徴とする請求項4記載の分光装置。
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JP2003310945A JP2005077964A (ja) | 2003-09-03 | 2003-09-03 | 分光装置 |
US10/792,747 US7304798B2 (en) | 2003-09-03 | 2004-03-05 | Spectroscopic apparatus |
EP04007157A EP1517165A3 (en) | 2003-09-03 | 2004-03-25 | Spectroscopic apparatus |
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JP2003310945A JP2005077964A (ja) | 2003-09-03 | 2003-09-03 | 分光装置 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008081545A1 (ja) * | 2006-12-28 | 2008-07-10 | Fujitsu Limited | 光伝送装置および光伝送方法 |
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KR102268706B1 (ko) * | 2014-09-22 | 2021-06-24 | 재단법인대구경북과학기술원 | 피부 진단 및 관리를 위한 휴대용 분광 이미징 디바이스, 사용자 단말기, 그 방법 및 그 프로그램 |
WO2016208917A1 (ko) * | 2015-06-22 | 2016-12-29 | 재단법인대구경북과학기술원 | 모바일 기반 분광 이미징 장치 및 이의 제어 방법 |
KR101769201B1 (ko) * | 2015-06-22 | 2017-08-31 | 재단법인대구경북과학기술원 | 분광 이미징 장치, 제어 장치 및 분광 이미징 시스템 및 모바일 기반 분광 이미징의 빛 제어 방법 |
US10470664B2 (en) | 2015-06-22 | 2019-11-12 | Daegu Gyeongbuk Institute Of Science And Technology | Mobile-based spectrum imaging device and method for controlling same |
JP2020536235A (ja) * | 2017-09-28 | 2020-12-10 | ザ・ボード・オブ・トラスティーズ・オブ・ザ・ユニバーシティ・オブ・イリノイThe Board Of Trustees Of The University Of Illinois | 複数検出モダリティが可能な移動生体内感知装置 |
WO2022137902A1 (ja) * | 2020-12-25 | 2022-06-30 | ソニーグループ株式会社 | 光学部材及び光学装置 |
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US7304798B2 (en) | 2007-12-04 |
EP1517165A3 (en) | 2006-10-04 |
EP1517165A2 (en) | 2005-03-23 |
US20050046837A1 (en) | 2005-03-03 |
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