JP2009063754A5 - - Google Patents
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- JP2009063754A5 JP2009063754A5 JP2007230492A JP2007230492A JP2009063754A5 JP 2009063754 A5 JP2009063754 A5 JP 2009063754A5 JP 2007230492 A JP2007230492 A JP 2007230492A JP 2007230492 A JP2007230492 A JP 2007230492A JP 2009063754 A5 JP2009063754 A5 JP 2009063754A5
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- JP
- Japan
- Prior art keywords
- groove
- light guide
- type light
- grating structure
- wave generator
- Prior art date
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Claims (8)
前記溝型導光格子構造における前記溝型導光格子構造の外部領域との界面である表面に、複数の溝が隣接して等間隔で並行に、かつ、該溝全体が前記表面に対して垂直あるいは所定の角度傾斜して刻設されている
ことを特徴とするテラヘルツ波発生器。 A terahertz wave generator having a grooved light guide grating structure that is a plate-like body or prism shape made of a solid transparent medium,
A plurality of grooves are adjacent to each other in parallel at equal intervals on the surface that is an interface with the external region of the groove-type light guide grating structure in the groove-type light guide grating structure, and the whole groove is in relation to the surface A terahertz wave generator characterized by being vertically or inclined at a predetermined angle.
前記溝型導光格子構造の前記溝の内部に所定の材質を充填し、
前記溝の内部に充填する所定の材質の屈折率を、前記溝型導光格子構造を形成する固体状の透明媒質が有する屈折率よりも低くする
ことを特徴とするテラヘルツ波発生器。 The terahertz wave generator according to claim 1, further comprising:
Filling the inside of the groove of the groove-type light guide grating structure with a predetermined material,
A terahertz wave generator, wherein a refractive index of a predetermined material filled in the groove is lower than a refractive index of a solid transparent medium forming the groove-type light guide grating structure.
前記溝型導光格子構造の前記溝の幅は、前記溝型導光格子構造内に入射された電磁波を前記溝の側面において全反射し、前記溝型導光格子構造の外部に出射するように設定する ことを特徴とするテラヘルツ波発生器。 The terahertz wave generator according to any one of claims 1 and 2,
The groove width of the groove-type light guide grating structure is such that the electromagnetic wave incident in the groove-type light guide grating structure is totally reflected on the side surface of the groove and is emitted to the outside of the groove-type light guide grating structure. A terahertz wave generator characterized by being set to
前記溝型導光格子構造の前記溝の内部に所定の材質を充填し、
前記溝の内部に充填する所定の材質の屈折率を、前記溝型導光格子構造を形成する固体状の透明媒質が有する屈折率よりも高くする
ことを特徴とするテラヘルツ波発生器。 The terahertz wave generator according to claim 1, further comprising:
Filling the inside of the groove of the groove-type light guide grating structure with a predetermined material,
A terahertz wave generator, wherein a refractive index of a predetermined material filled in the groove is higher than a refractive index of a solid transparent medium forming the groove-type light guide grating structure.
前記溝型導光格子構造の前記溝の幅と前記溝が隣接して配置される間隔とは、前記溝型導光格子構造内に入射された電磁波が前記溝の側面で反射する電磁波と透過する電磁波とに分岐し、前記反射する電磁波は前記透過する電磁波とは異なる透過する電磁波と合わさり、かつ、前記透過する電磁波は前記反射する電磁波とは異なる反射する電磁波と合わさり、前記溝型導光格子構造の外に出射されるように設定する
ことを特徴とするテラヘルツ波発生器。 The terahertz wave generator according to any one of claims 1, 2, or 4,
The width of the groove of the groove-type light guide grating structure and the interval at which the grooves are arranged adjacent to each other are the electromagnetic wave incident on the groove-type light guide grating structure and the electromagnetic wave reflected from the side surface of the groove. The reflected electromagnetic wave is combined with a transmitted electromagnetic wave different from the transmitted electromagnetic wave, and the transmitted electromagnetic wave is combined with a reflected electromagnetic wave different from the reflected electromagnetic wave, and the groove-type light guide A terahertz wave generator characterized by being set so as to be emitted outside the lattice structure.
前記溝型導光格子構造の前記溝の幅は、入射する電磁波の波長以下とする
ことを特徴とするテラヘルツ波発生器。 The terahertz wave generator according to claim 5,
The width of the groove of the groove-type light guide grating structure is equal to or less than the wavelength of the incident electromagnetic wave .
固体状の透明媒質よりなる板状体あるいはプリズム形状である溝型導光格子構造の表面をダイサーにより刻設して、前記表面に複数の溝を隣接して等間隔で並行に、かつ、該溝全体が前記表面に対して垂直あるいは所定の角度傾斜するように形成する
ことを特徴とするテラヘルツ波発生器の製造方法。 In the manufacturing method of the terahertz wave generator according to any one of claims 1, 2, 3, 4, 5 or 6.
A surface of a groove-type light guide grating structure which is a plate-like body or prism shape made of a solid transparent medium is engraved by a dicer, a plurality of grooves are adjacent to the surface in parallel at equal intervals, and the surface A method for manufacturing a terahertz wave generator, wherein the entire groove is formed to be perpendicular to the surface or inclined at a predetermined angle.
固体状の透明媒質よりなる板状体である溝型導光格子構造の表面をレーザーアブレーションにより刻設して、前記表面に複数の溝を隣接して等間隔で並行に、かつ、該溝全体が前記表面に対して垂直あるいは所定の角度傾斜するように形成する
ことを特徴とするテラヘルツ波発生器の製造方法。 In the manufacturing method of the terahertz wave generator according to any one of claims 1, 2, 3, 4, 5 or 6.
The surface of the groove-type light guide grating structure which is a plate-like body made of a solid transparent medium is engraved by laser ablation, and a plurality of grooves are adjacent to the surface in parallel at equal intervals, and the entire groove Is formed so as to be perpendicular to the surface or inclined at a predetermined angle. A method for manufacturing a terahertz wave generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007230492A JP5468195B2 (en) | 2007-09-05 | 2007-09-05 | Diffraction grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007230492A JP5468195B2 (en) | 2007-09-05 | 2007-09-05 | Diffraction grating |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009063754A JP2009063754A (en) | 2009-03-26 |
| JP2009063754A5 true JP2009063754A5 (en) | 2010-09-09 |
| JP5468195B2 JP5468195B2 (en) | 2014-04-09 |
Family
ID=40558386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007230492A Expired - Fee Related JP5468195B2 (en) | 2007-09-05 | 2007-09-05 | Diffraction grating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5468195B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015099379A (en) * | 2010-03-04 | 2015-05-28 | キヤノン株式会社 | Terahertz wave generating unit, terahertz wave detecting unit, and terahertz time-domain spectroscopic device |
| JP5724213B2 (en) * | 2010-05-13 | 2015-05-27 | セイコーエプソン株式会社 | Detection device |
| JP6559000B2 (en) * | 2015-07-29 | 2019-08-14 | 浜松ホトニクス株式会社 | Quantum cascade laser |
| JP6885184B2 (en) * | 2017-04-25 | 2021-06-09 | 日亜化学工業株式会社 | Laser device |
| DE102019214684A1 (en) * | 2019-09-25 | 2021-03-25 | Q.ant GmbH | Method for producing microstructures on an optical crystal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02275418A (en) * | 1989-04-17 | 1990-11-09 | Hikari Keisoku Gijutsu Kaihatsu Kk | Light wavelength converting element |
| JP3525273B2 (en) * | 1995-11-20 | 2004-05-10 | 弘昌 伊藤 | Submillimeter wave generator |
| JP4435406B2 (en) * | 2000-05-01 | 2010-03-17 | ナルックス株式会社 | Wavelength separation filter and manufacturing method thereof |
| WO2004111693A1 (en) * | 2003-06-17 | 2004-12-23 | Riken | Diffraction grating and production method therefor |
| JP4643431B2 (en) * | 2005-12-16 | 2011-03-02 | 独立行政法人理化学研究所 | Reflective diffraction grating and method of manufacturing the same |
-
2007
- 2007-09-05 JP JP2007230492A patent/JP5468195B2/en not_active Expired - Fee Related
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