JP2000503415A - 非感熱性光学素子 - Google Patents
非感熱性光学素子Info
- Publication number
- JP2000503415A JP2000503415A JP09525962A JP52596297A JP2000503415A JP 2000503415 A JP2000503415 A JP 2000503415A JP 09525962 A JP09525962 A JP 09525962A JP 52596297 A JP52596297 A JP 52596297A JP 2000503415 A JP2000503415 A JP 2000503415A
- Authority
- JP
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- Prior art keywords
- substrate
- fiber
- optical fiber
- optical
- grating
- 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.)
- Ceased
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 84
- 239000013307 optical fiber Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 85
- 239000000463 material Substances 0.000 claims description 35
- 229910000174 eucryptite Inorganic materials 0.000 claims description 27
- 239000002241 glass-ceramic Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- -1 TiOTwo Is 2-4% Inorganic materials 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 229920006332 epoxy adhesive Polymers 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 238000010792 warming Methods 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 230000008859 change Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000002667 nucleating agent Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 241000255925 Diptera Species 0.000 description 2
- 239000006018 Li-aluminosilicate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 241001325227 Eucrypta Species 0.000 description 1
- 241000132456 Haplocarpha Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000586 desensitisation Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006017 silicate glass-ceramic Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910000500 β-quartz Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02171—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes
- G02B6/02176—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes due to temperature fluctuations
- G02B6/0218—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for compensating environmentally induced changes due to temperature fluctuations using mounting means, e.g. by using a combination of materials having different thermal expansion coefficients
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
- C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- 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
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2835—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.上面を備えた負膨脹性基板を用意し、 感熱性で正膨脹性の光学部品を前記基板の上面上に乗せ、 前記光学部品を少なくとも2箇所の離隔した部位において前記基板に添着す ることを特徴とする非感熱性光学素子の製造方法。 2.前記基板が、ベータ・ユークリプタイト ガラス・セラミックを含むことを 特徴とする請求項1記載の方法。 3.前記ベータ・ユークリプタイトが、重量%で、SiO2 が43〜55%、A l2 O3 が31〜42%、Li2 Oが8〜11%、TiO2 が2〜4%,Zr O4 が0〜4%を含むことを特徴とする請求項2記載の方法。 4.前記光学部品が接合材料層によって添着されることを特徴とする請求項1記 載の方法。 5.前記接合材料層がポリマー、フリットおよび金属のうちの1つであることを 特徴とする請求項4記載の方法。 6.前記光学部品が光ファイバ格子であることを特徴とする請求項1記載の方法 。 7.前記光学部品が光ファイバカプラであり、該カプラが、長さに沿う1点また はそれ以上の点で溶着された少なくとも2本の光ファイバを含むことを特徴と する請求項1記載の方法。 8.前記光学部品が導波路であることを特徴とする請求項1記載の方法。 9.前記導波路が平面導波路であることを特徴とする請求項8記載の方法。 10.上面と第1および第2の端部とを備えた負膨脹性基板を用意し、 少なくとも1つの格子を内部に画成した光ファイバを、前記格子が前記基板 の両端部間でかつ各端部から離間した位置にあるように、前記基板の上面上に 乗せ、 前記光ファイバを、少なくとも2箇所の離隔した部位において前記基板に添 着することを特徴とする非感熱性光ファイバ格子素子の製造方法。 11.前記添着工程に先立って、前記光ファイバが予測されるすべての使用温度に おいて張力をかけられた状態に維持されるのに十分な張力を前記光ファイバに 印加することを特徴とする請求項10記載の方法。 12.前記光ファイバが、前記格子と前記第1の端部との間の部位と、前記格子と 前記第2の端部との間の部位とにおいて前記基板の上面に添着されていること を特徴とする請求項10記載の方法。 13.前記ファイバが接合材料層によって添着されることを特徴とする請求項12 記載の方法。 14.前記接合材料層がポリマー、フリットおよび金属のうちの1つであることを 特徴とする請求項13記載の方法。 15.前記ポリマーがエポキシ接着剤であることを特徴とする請求項14記載の方 法。 16.前記添着工程が、前記ファイバの膨脹係数と前記基板の膨脹係数との間の膨 脹係数を有する材料からなるパッドを各添着部位において前記基板の上面に接 着し、前記ファイバを各パッドに添着することを含むことを特徴とする請求項 12記載の方法。 17.前記ファイバが、前記添着部位間の長さのほぼ全体に亘って、低モジュラス ダンピング材料により緩衝されていることを特徴とする請求項12記載の方法 。 18.前記基板が、その前記添着部位のそれぞれに形成された、前記素子の予測さ れるいかなる使用温度よりも低い温度において前記ファイバを受け入れかつ通 常の使用温度範囲において前記ファイバをクランプするサイズを有する溝を備 え、さらに、 前記基板を、より低い温度に冷却し、 前記ファイバを各溝に挿入し、 前記基板を通常の使用温度範囲に暖めて、前記ファイバをクランプすること を含むことを特徴とする請求項12記載の方法。 19.前記基板が、ベータ・ユークリプタイト ガラス・セラミックを含むことを 特徴とする請求項10記載の方法。 20.前記ベータ・ユークリプタイトが、重量%で、SiO2 が43〜55%、A l2 O3 が31〜42%、Li2 Oが8〜11%、TiO2 が2〜4%,Zr O4 が0〜4%を含むことを特徴とする請求項19記載の方法。 21.上面と第1および第2の端部とを備えた負膨脹性基板を用意し、 光屈折性・感光性光ファイバを前記基板の上面上に乗せ、 前記光ファイバがすべての予測される使用温度において張力をかけられた状 態に維持される張力を前記光ファイバに印加し、 前記光ファイバを、少なくとも2箇所の離隔した部位において前記基板に添 着し、 少なくとも1つの光学格子を該格子が前記基板の両端部間でかつ各端部から 離間した位置にあるように画成するために、前記光ファイバを前記基板上に乗 せる工程の前または後において、前記光ファイバに紫外線光を照射することを 含むことを特徴とする非感熱性光フアイバ格子素子の製造方法。 22.前記基板が、ベータ・ユークリプタイト ガラス・セラミックを含むことを 特徴とする請求項21記載の方法。 23.上面を備えた負膨脹性基板と、 少なくとも2箇所の離隔した部位において前記基板の上面上に添着された、 感熱性で正膨脹性の光学部品と、 を備えていることを特徴とする非感熱性光学素子。 24.前記基板が、ベータ・ユークリプタイト ガラス・セラミックを含むことを 特徴とする請求項23記載の素子。 25.前記ベータ・ユークリプタイトが、重量%で、SiO2 が43〜55%、A l2 O3 が31〜42%、Li2 Oが8〜11%、TiO2 が2〜4%,Zr O4 が0〜4%を含むことを特徴とする請求項24記載の素子。 26.前記光学部品が光ファイバ格子であることを特徴とする請求項23記載の素 子。 27.前記光学部品が光ファイバカプラであり、該カプラが、長さに沿う1点また はそれ以上の点で溶着された少なくとも2本の光ファイバを備えていることを 特徴とする請求項23記載の素子。 28.前記光学部品が導波路であることを特徴とする請求項23記載の素子。 29.前記導波路が平面導波路であることを特徴とする請求項28記載の素子。 30.上面と第1および第2の端部とを備えた負膨脹性基板と、 少なくとも2箇所の離隔した部位において前記基板に添着された光ファイバ と、 前記基板の両端部間でかつ各端部から離間した位置に画成された格子と、 を備えていることを特徴とする非感熱性光ファイバ格子素子。 31.前記光ファイバが、互いに離隔した第1および第2部位において前記基板に 添着され、前記第1の部位が、前記格子と前記第1の端部との間にあり、前記 第2の部位が、前記格子と前記第2の端部との間にあることを特徴とする請求 項30記載の素子。 32.前記ファイバが接合材料層によって添着されることを特徴とする請求項30 記載の素子。 33.前記接合材料層がポリマー、フリットおよび金属のうちの1つであることを 特徴とする請求項32記載の素子。 34.前記ポリマーがエポキシ接着剤であることを特徴とする請求項33記載の素 子。 35.前記ファイバの膨脹係数と前記基板の膨脹係数との間の膨脹係数を有して、 前記第1および第2の部位のそれぞれにおいて前記光ファイバと前記基板との 間に介装された接着パッドをさらに備え、前記光ファイバが各接着パッドに接 着され、各接着パッドが前記基板に添着されていることを特徴とする請求項3 1記載の素子。 36.前記ファイバの前記添着部位間の長さのほぼ全体に亘って結合された低モジ ュラスダンピング材料をさらに備えていることを特徴とする請求項31記載の 素子。 37.前記素子の予測されるいかなる使用温度よりも低い温度において前記ファイ バを受け入れかつ通常の使用温度範囲において前記ファイバをクランプするサ イズを有する溝が各添着部位に設けられていることを特徴とする請求項31記 載の素子。 38.前記基板が、ベータ・ユークリプタイト ガラス・セラミックを含むことを 特徴とする請求項30記載の素子。 39.前記ベータ・ユークリプタイトが、重量%で、SiO2 が43〜55%、A l2 O3 が31〜42%、Li2 Oが8〜11%、TiO2 が2〜4%,Zr O4 が0〜4%を含むことを特徴とする請求項38記載の素子。 40.前記ベータ・ユークリプタイトが、−30×10-7 /℃と−90×10-7 / ℃との間の負の熱膨脹係数を有することを特徴とする請求項39記載の素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1005896P | 1996-01-16 | 1996-01-16 | |
US60/010,058 | 1996-01-16 | ||
PCT/US1996/013062 WO1997026572A1 (en) | 1996-01-16 | 1996-08-07 | Athermal optical device |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000503415A true JP2000503415A (ja) | 2000-03-21 |
Family
ID=21743603
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP09525962A Ceased JP2000503415A (ja) | 1996-01-16 | 1996-08-07 | 非感熱性光学素子 |
JP9527710A Pending JP2000503967A (ja) | 1996-01-16 | 1997-01-16 | 非感熱性光学素子 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9527710A Pending JP2000503967A (ja) | 1996-01-16 | 1997-01-16 | 非感熱性光学素子 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6087280A (ja) |
EP (2) | EP0875012B1 (ja) |
JP (2) | JP2000503415A (ja) |
KR (2) | KR19990077274A (ja) |
CN (2) | CN1207812A (ja) |
AT (1) | ATE226737T1 (ja) |
AU (2) | AU722410B2 (ja) |
CA (2) | CA2242676A1 (ja) |
DE (1) | DE69624505T2 (ja) |
TW (1) | TW314601B (ja) |
WO (2) | WO1997026572A1 (ja) |
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-
1996
- 1996-08-07 WO PCT/US1996/013062 patent/WO1997026572A1/en not_active Application Discontinuation
- 1996-08-07 AU AU68973/96A patent/AU722410B2/en not_active Ceased
- 1996-08-07 AT AT96929677T patent/ATE226737T1/de not_active IP Right Cessation
- 1996-08-07 DE DE69624505T patent/DE69624505T2/de not_active Expired - Fee Related
- 1996-08-07 JP JP09525962A patent/JP2000503415A/ja not_active Ceased
- 1996-08-07 EP EP96929677A patent/EP0875012B1/en not_active Expired - Lifetime
- 1996-08-07 CN CN96199621A patent/CN1207812A/zh active Pending
- 1996-08-07 CA CA002242676A patent/CA2242676A1/en not_active Abandoned
- 1996-08-07 KR KR1019980705420A patent/KR19990077274A/ko not_active Application Discontinuation
- 1996-10-24 TW TW085113088A patent/TW314601B/zh active
-
1997
- 1997-01-16 WO PCT/US1997/000982 patent/WO1997028480A2/en active IP Right Grant
- 1997-01-16 US US08/785,336 patent/US6087280A/en not_active Expired - Lifetime
- 1997-01-16 KR KR10-1998-0705421A patent/KR100455908B1/ko not_active IP Right Cessation
- 1997-01-16 EP EP97924492A patent/EP0880718A4/en not_active Withdrawn
- 1997-01-16 CN CN97191685A patent/CN1208396A/zh active Pending
- 1997-01-16 JP JP9527710A patent/JP2000503967A/ja active Pending
- 1997-01-16 CA CA002243200A patent/CA2243200A1/en not_active Abandoned
- 1997-01-16 AU AU29903/97A patent/AU725293B2/en not_active Ceased
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6400884B1 (en) | 1999-07-07 | 2002-06-04 | Nippon Electric Glass Co., Ltd. | Material for temperature compensation, and optical communication device |
JP2003509717A (ja) * | 1999-09-10 | 2003-03-11 | シーメンス アクチエンゲゼルシヤフト | 光導波路に光グレーティングを製作するための方法ならびにこのようなグレーティングとこのような光導波路とを備えた装置 |
JP2001342038A (ja) * | 2000-03-29 | 2001-12-11 | Nippon Electric Glass Co Ltd | 結晶化ガラス |
JP4702690B2 (ja) * | 2000-03-29 | 2011-06-15 | 日本電気硝子株式会社 | 結晶化ガラス |
EP1193227A1 (en) | 2000-09-28 | 2002-04-03 | Kabushiki Kaisha Ohara | Glass ceramic and temperature compensating member |
US6492288B2 (en) | 2000-09-28 | 2002-12-10 | Kabushiki Kaisha Ohara | Glass ceramic and temperature compensating member |
US7260294B2 (en) | 2005-10-12 | 2007-08-21 | Oki Electric Industry Co., Ltd. | Wavelength tuning device and wavelength tuning method |
JP2013145303A (ja) * | 2012-01-13 | 2013-07-25 | Oki Electric Ind Co Ltd | ファイバブラッググレーティング装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2243200A1 (en) | 1997-08-07 |
TW314601B (ja) | 1997-09-01 |
EP0880718A2 (en) | 1998-12-02 |
CN1208396A (zh) | 1999-02-17 |
DE69624505D1 (de) | 2002-11-28 |
EP0875012B1 (en) | 2002-10-23 |
US6087280A (en) | 2000-07-11 |
WO1997026572A1 (en) | 1997-07-24 |
KR100455908B1 (ko) | 2005-04-13 |
WO1997028480A3 (en) | 1997-11-20 |
CN1207812A (zh) | 1999-02-10 |
WO1997028480A2 (en) | 1997-08-07 |
EP0880718A4 (en) | 1999-09-22 |
DE69624505T2 (de) | 2003-06-26 |
KR19990077275A (ko) | 1999-10-25 |
CA2242676A1 (en) | 1997-07-24 |
AU2990397A (en) | 1997-08-22 |
AU6897396A (en) | 1997-08-11 |
AU725293B2 (en) | 2000-10-12 |
JP2000503967A (ja) | 2000-04-04 |
ATE226737T1 (de) | 2002-11-15 |
EP0875012A1 (en) | 1998-11-04 |
AU722410B2 (en) | 2000-08-03 |
KR19990077274A (ko) | 1999-10-25 |
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