JP4826469B2 - 擬似位相整合素子 - Google Patents
擬似位相整合素子 Download PDFInfo
- Publication number
- JP4826469B2 JP4826469B2 JP2006353607A JP2006353607A JP4826469B2 JP 4826469 B2 JP4826469 B2 JP 4826469B2 JP 2006353607 A JP2006353607 A JP 2006353607A JP 2006353607 A JP2006353607 A JP 2006353607A JP 4826469 B2 JP4826469 B2 JP 4826469B2
- Authority
- JP
- Japan
- Prior art keywords
- phase matching
- matching element
- wavelength
- layer
- base material
- 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.)
- Expired - Fee Related
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/10—Glass or silica
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3544—Particular phase matching techniques
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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
- G02F1/35—Non-linear optics
- G02F1/3501—Constructional details or arrangements of non-linear optical devices, e.g. shape of non-linear crystals
- G02F1/3505—Coatings; Housings; Supports
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3544—Particular phase matching techniques
- G02F1/3548—Quasi phase matching [QPM], e.g. using a periodic domain inverted structure
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
(1) 基体の端面の反射率Rを高くする(R>99.9%)
(2) 波長変換素子中での波長変換の際に最大変換効率を与える基本波波長にレーザ発振波長を一致させ、共振器中でのフレネル反射損失を低く抑えるとともに、発振波長の帰還効率を高めて発振閾値を十分高くする
なお、多層膜を形成する方法には、イオンビーム法、イオンプレーティング法、スパッタリング法等、種々の方法を用いることができる。
Claims (1)
- タンタル酸リチウムを基材とする擬似位相整合素子において、基材に接する第1層に五酸化タンタル(Ta2O5)を用いた多層膜を有することを特徴とする擬似位相整合素子。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006353607A JP4826469B2 (ja) | 2006-12-28 | 2006-12-28 | 擬似位相整合素子 |
US11/873,813 US20080160329A1 (en) | 2006-12-28 | 2007-10-17 | Multilayer coating for quasi-phase-matching element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006353607A JP4826469B2 (ja) | 2006-12-28 | 2006-12-28 | 擬似位相整合素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008164880A JP2008164880A (ja) | 2008-07-17 |
JP4826469B2 true JP4826469B2 (ja) | 2011-11-30 |
Family
ID=39584412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006353607A Expired - Fee Related JP4826469B2 (ja) | 2006-12-28 | 2006-12-28 | 擬似位相整合素子 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080160329A1 (ja) |
JP (1) | JP4826469B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103011839A (zh) * | 2012-12-24 | 2013-04-03 | 陕西科技大学 | 一种水热法制备立方块状与小球粒状混合结构的LiTaO3 无铅压电陶瓷粉体的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2471617A1 (fr) * | 1979-12-14 | 1981-06-19 | Thomson Csf | Dispositif optique non lineaire a guide d'onde composite et source de rayonnement utilisant un tel dispositif |
JP2000304917A (ja) * | 1999-04-20 | 2000-11-02 | Sony Corp | 光学部品及びその製造方法並びにプロジェクタ装置 |
JP4174377B2 (ja) * | 2002-05-31 | 2008-10-29 | 松下電器産業株式会社 | 光学素子 |
US7413635B2 (en) * | 2003-12-19 | 2008-08-19 | Spectralus, Inc. | Method for the fabrication of periodically poled Lithium Niobate and Lithium Tantalate nonlinear optical components |
JP4967626B2 (ja) * | 2006-11-30 | 2012-07-04 | ソニー株式会社 | 波長変換素子とこれを用いたレーザ光源装置及び画像生成装置 |
-
2006
- 2006-12-28 JP JP2006353607A patent/JP4826469B2/ja not_active Expired - Fee Related
-
2007
- 2007-10-17 US US11/873,813 patent/US20080160329A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2008164880A (ja) | 2008-07-17 |
US20080160329A1 (en) | 2008-07-03 |
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