CA2468784A1 - Microporous glass waveguides doped with selected materials - Google Patents
Microporous glass waveguides doped with selected materials Download PDFInfo
- Publication number
- CA2468784A1 CA2468784A1 CA002468784A CA2468784A CA2468784A1 CA 2468784 A1 CA2468784 A1 CA 2468784A1 CA 002468784 A CA002468784 A CA 002468784A CA 2468784 A CA2468784 A CA 2468784A CA 2468784 A1 CA2468784 A1 CA 2468784A1
- Authority
- CA
- Canada
- Prior art keywords
- fibre
- optical
- pores
- optical fibre
- porous glass
- 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.)
- Granted
Links
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
- G02B6/02033—Core or cladding made from organic material, e.g. polymeric material
-
- 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
- C03C13/00—Fibre or filament compositions
-
- 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
- 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
- G02F1/01—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
- G02F1/011—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 in optical waveguides, not otherwise provided for in this subclass
- G02F1/0115—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 in optical waveguides, not otherwise provided for in this subclass in optical fibres
-
- 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
- G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
-
- 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
- G02F1/01—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
- G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/095—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 magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
Abstract
The present invention concerns waveguides made from porous glass which have been doped with certain selected materials which exhibit optical properties. In the context of the invention, the selected materials are optical materials which exhibit optical activity or a Faraday effect, such as an electro-optic material, and more specifically a polymer. Devices made according to the present invention can be used as phase modulators.
Claims (17)
1. A single mode optical fibre made of porous glass, wherein at least a portion of the pores of the porous glass are filled with a material which affects the propagation of light within the waveguide, wherein said material which affects the propagation of light is a material which is an electro-optical material or exhibits optical activity, or a Faraday effect.
2. An optical fibre according to claim 1, wherein said electro-optical material is a polymer.
3. An optical waveguide apparatus comprising:
a single mode optical fibre made of porous glass, where the pares of the porous glass are filled with an electro-optical material; and at least one pair of electrodes on opposed sides of the optical waveguide in order to induce a change in the index of refraction of the optical waveguide upon application of an electric field between the electrodes.
a single mode optical fibre made of porous glass, where the pares of the porous glass are filled with an electro-optical material; and at least one pair of electrodes on opposed sides of the optical waveguide in order to induce a change in the index of refraction of the optical waveguide upon application of an electric field between the electrodes.
4. An optical waveguide apparatus according to claim 3, wherein said electrodes are obtained by depositing on or in a portion of the cladding a metallic substance.
5. An optical waveguide apparatus according to claim 3, wherein said apparatus comprises two pairs of electrodes, disposed perpendicularly to each other.
6. An optical fibre according to claim 1, wherein said optical fibre has two opposite ends, the pores at the opposite ends being filled with silica.
7. An optical fibre according to claim 1, wherein said optical fibre further includes a Bragg grating.
8. An optical fibre according to claim 1, wherein said material has an index of refraction substantially equal to the index of refraction of the porous glass.
9. An optical fibre according to claim 1, wherein said material has an index of refraction which is different from the index of refraction of the porous glass.
10. An optical waveguide according to claim 2, wherein said polymer includes dextrogyre and levogyre polymers, axially alternately and periodically filling the pores of the waveguide.
11. A method for making an optical fibre made of porous glass where the pores are filled with a material which exhibits optical activity or a Faraday effect, comprising the steps of:
(a) providing an optical fibre made of borosilicate;
(b) chemically etching said fibre in order to leave a skeleton of silica and a myriad of interconnected pores; and (c) impregnating said pores with said material.
(a) providing an optical fibre made of borosilicate;
(b) chemically etching said fibre in order to leave a skeleton of silica and a myriad of interconnected pores; and (c) impregnating said pores with said material.
12. A method according to claim 11, wherein said step (a) includes the steps of:
(a1) providing a preform of borosilicate glass;
(a2) drawing the preform into the optical fibre;
(a3) cutting the optical fibre into sections of a predetermined length;
(a4) submitting one of the sections of the fibre to a separation of phase treatment; and (a5) cooling said section of the fibre that has been submitted to a separation of phase.
(a1) providing a preform of borosilicate glass;
(a2) drawing the preform into the optical fibre;
(a3) cutting the optical fibre into sections of a predetermined length;
(a4) submitting one of the sections of the fibre to a separation of phase treatment; and (a5) cooling said section of the fibre that has been submitted to a separation of phase.
13 13. A method according to claim 11, wherein said method further includes the steps, after step (a), of:
(aa1) covering said section of the fibre that has been submitted to a separation of phase with a photoresin layer, which is exposed and developed, leaving two areas on opposite sides of the fibre free from the photoresin;
(aa2) submitting the fibre to a chemical attack in order to make pores only in at least two opposite portions of a cladding of the fibre;
(aa3) rinsing and drying the fibre;
(aa4) forming at least one pair of electrodes in the portion of the cladding by depositing into the pores a metallic substance;
(aa5) soldering conductors to the electrodes; and (aa6) removing the photoresin.
(aa1) covering said section of the fibre that has been submitted to a separation of phase with a photoresin layer, which is exposed and developed, leaving two areas on opposite sides of the fibre free from the photoresin;
(aa2) submitting the fibre to a chemical attack in order to make pores only in at least two opposite portions of a cladding of the fibre;
(aa3) rinsing and drying the fibre;
(aa4) forming at least one pair of electrodes in the portion of the cladding by depositing into the pores a metallic substance;
(aa5) soldering conductors to the electrodes; and (aa6) removing the photoresin.
14. A method according to claim 11, wherein said material is a polymer, and said method includes the steps, after step (c), of:
(d) polymerising said polymer.
(d) polymerising said polymer.
15. A method according to claim 11, wherein said step (b) further includes the step of leaving the extremities of the fibre pore-less, and said method further includes the steps of:
(e) making the extremities of the fibre porous; and (f) filling the pores of the extremities of the fibre with a silica-based material.
(e) making the extremities of the fibre porous; and (f) filling the pores of the extremities of the fibre with a silica-based material.
16. A method according to claim 11, wherein said method further includes the step of:
(g) writing a Bragg grating in said optical waveguide.
(g) writing a Bragg grating in said optical waveguide.
17. A method according to claim 11, wherein said material exhibits a Faraday effect, and said method further includes the step of doping an external portion of the cladding of the fibre with a material which can be magnetised.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2002/000304 WO2003075053A1 (en) | 2002-03-05 | 2002-03-05 | Microporous glass waveguides doped with selected materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2468784A1 true CA2468784A1 (en) | 2003-09-12 |
| CA2468784C CA2468784C (en) | 2010-01-05 |
Family
ID=27768226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002468784A Expired - Fee Related CA2468784C (en) | 2002-03-05 | 2002-03-05 | Microporous glass waveguides doped with selected materials |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2002242509A1 (en) |
| CA (1) | CA2468784C (en) |
| WO (1) | WO2003075053A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866878B (en) * | 2016-03-24 | 2019-01-04 | 中国科学技术大学 | A kind of optical fiber and preparation method thereof, fibre optical sensor |
| CN108105719A (en) * | 2016-11-24 | 2018-06-01 | 上海航空电器有限公司 | A kind of light path system |
| EP3850408A4 (en) | 2018-09-10 | 2022-05-18 | nLIGHT, Inc. | Optical fiber splice encapsulated by a cladding light stripper |
| EP3841411A4 (en) * | 2018-09-21 | 2022-06-01 | NLIGHT, Inc. | Optical fiber cladding light stripper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938974A (en) * | 1973-04-27 | 1976-02-17 | Macedo Pedro B | Method of producing optical wave guide fibers |
| US5585640A (en) * | 1995-01-11 | 1996-12-17 | Huston; Alan L. | Glass matrix doped with activated luminescent nanocrystalline particles |
| US5889907A (en) * | 1995-09-08 | 1999-03-30 | Nippon Telegraph And Telephone Corporation | Optical processing method using fine liquid crystal droplets and waveguide type optical device for optical processing |
| DE59811997D1 (en) * | 1997-03-29 | 2004-10-28 | Deutsche Telekom Ag | FIBER-INTEGRATED PHOTON CRYSTALS AND SYSTEMS |
| US6418258B1 (en) * | 2000-06-09 | 2002-07-09 | Gazillion Bits, Inc. | Microstructured optical fiber with improved transmission efficiency and durability |
-
2002
- 2002-03-05 WO PCT/CA2002/000304 patent/WO2003075053A1/en not_active Application Discontinuation
- 2002-03-05 CA CA002468784A patent/CA2468784C/en not_active Expired - Fee Related
- 2002-03-05 AU AU2002242509A patent/AU2002242509A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2468784C (en) | 2010-01-05 |
| AU2002242509A1 (en) | 2003-09-16 |
| WO2003075053A1 (en) | 2003-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20170306 |