JP4209766B2 - テラヘルツ電磁波反射測定装置 - Google Patents
テラヘルツ電磁波反射測定装置 Download PDFInfo
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- JP4209766B2 JP4209766B2 JP2003437003A JP2003437003A JP4209766B2 JP 4209766 B2 JP4209766 B2 JP 4209766B2 JP 2003437003 A JP2003437003 A JP 2003437003A JP 2003437003 A JP2003437003 A JP 2003437003A JP 4209766 B2 JP4209766 B2 JP 4209766B2
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- Japan
- Prior art keywords
- electromagnetic wave
- terahertz electromagnetic
- terahertz
- specimen
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000523 sample Substances 0.000 description 17
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- 235000013305 food Nutrition 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 229910005543 GaSe Inorganic materials 0.000 description 3
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- ZZEMEJKDTZOXOI-UHFFFAOYSA-N digallium;selenium(2-) Chemical compound [Ga+3].[Ga+3].[Se-2].[Se-2].[Se-2] ZZEMEJKDTZOXOI-UHFFFAOYSA-N 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
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- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
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Images
Classifications
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
2…信号光を伝送するファイバ
3…ビームコンバイナ
4…ポンプ光と信号光を伝送するファイバ
5…テラヘルツプローブ筐体
6…小型レンズ
7、8…キュービック偏光子
9…直角プリズム
10…GaP結晶
11…金属導波管
12…金属導波管テーパ部
13…ビームスプリッタ
14…反射テラヘルツ波ビーム
15…金属導波管
16…検知器
17…検体
18…GaSe結晶
19…近赤外線カットフィルタ
Claims (2)
- 互いに偏光方向が垂直の、ファイバ出力形の2つのレーザの出力を合波するファイバ結合形ビームコンバイナーと、前記ビームコンバイナーの出力を一本の空間平行ビームに形成するレンズと、前記平行ビームを偏波方向が互いに垂直な2本の平行ビームに分波する第1の偏光子と、前記2本の平行ビームを所定の角度整合で合波する第2の偏光子と、前記所定の角度整合で合波された平行ビームを入射させるテラヘルツ電磁波発生用GaP結晶と、前記GaP結晶からの出力テラヘルツ電磁波を検体の表面に集光する手段を有し、検体表面にテラヘルツ電磁波が垂直に入射したときに反射テラヘルツ電磁波が入射するように配置された室温テラヘルツ電磁波検知器を備え、携帯して検体の反射強度を測定するテラヘルツ電磁波反射測定装置。
- 前記GaP結晶のテラヘルツ電磁波出射面に垂直にテラヘルツ電磁波が放出されるように、前記GaP結晶のテラヘルツ電磁波入射面がテラヘルツ電磁波出射面に対して所定の角度を有していることを特徴とする請求項1に記載のテラヘルツ電磁波反射測定装置
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003437003A JP4209766B2 (ja) | 2003-12-26 | 2003-12-26 | テラヘルツ電磁波反射測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003437003A JP4209766B2 (ja) | 2003-12-26 | 2003-12-26 | テラヘルツ電磁波反射測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005195382A JP2005195382A (ja) | 2005-07-21 |
JP4209766B2 true JP4209766B2 (ja) | 2009-01-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003437003A Expired - Fee Related JP4209766B2 (ja) | 2003-12-26 | 2003-12-26 | テラヘルツ電磁波反射測定装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4209766B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007178414A (ja) * | 2005-12-28 | 2007-07-12 | Semiconductor Res Found | 糖度検査方法および検査システム |
JP2007198854A (ja) * | 2006-01-25 | 2007-08-09 | Si Seiko Co Ltd | 青果物検査方法とその装置 |
KR100848317B1 (ko) | 2006-12-07 | 2008-07-24 | 한국전자통신연구원 | 광파-전파 헤테로다인 방식에 의한 테라헤르츠파 생성 장치및 그 방법 |
GB0706301D0 (en) * | 2007-03-30 | 2007-05-09 | E2V Tech Uk Ltd | Reflective means |
CN110057776B (zh) * | 2019-05-10 | 2021-10-15 | 南开大学 | 一种基于波导结构的集成式太赫兹共焦成像装置及成像方法 |
CN110743104B (zh) * | 2019-10-28 | 2023-03-17 | 鲍玉珍 | 太赫兹波理疗终端、用于宫颈癌的太赫兹波理疗系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08292458A (ja) * | 1995-04-24 | 1996-11-05 | Anritsu Corp | 四光波混合光発生装置及びそれに用いる半導体非偏光光源 |
GB2352512B (en) * | 1999-07-23 | 2002-03-13 | Toshiba Res Europ Ltd | A radiation probe and detecting tooth decay |
GB2360842B (en) * | 2000-03-31 | 2002-06-26 | Toshiba Res Europ Ltd | An apparatus and method for investigating a sample |
GB2385415B (en) * | 2002-02-15 | 2005-09-14 | Teraview Ltd | An analysis apparatus and method |
JP3747319B2 (ja) * | 2002-04-09 | 2006-02-22 | 独立行政法人理化学研究所 | テラヘルツ波発生装置とその同調方法 |
JP2004219967A (ja) * | 2003-01-13 | 2004-08-05 | Tetsuo Yanai | テラヘルツ波発生装置及び計測装置 |
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2003
- 2003-12-26 JP JP2003437003A patent/JP4209766B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005195382A (ja) | 2005-07-21 |
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