CN110927864A - Metal semiconductor composite microstructure optical fiber for micro optical detector and preparation method thereof - Google Patents
Metal semiconductor composite microstructure optical fiber for micro optical detector and preparation method thereof Download PDFInfo
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- CN110927864A CN110927864A CN201911263627.5A CN201911263627A CN110927864A CN 110927864 A CN110927864 A CN 110927864A CN 201911263627 A CN201911263627 A CN 201911263627A CN 110927864 A CN110927864 A CN 110927864A
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- optical fiber
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- quartz glass
- heating furnace
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- 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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/026—Drawing fibres reinforced with a metal wire or with other non-glass material
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
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- 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
- G02B6/02295—Microstructured optical fibre
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention relates to a metal semiconductor composite microstructure optical fiber for a micro optical detector and a preparation method thereof, wherein the preparation method comprises the following steps: preparing a hollow capillary tube by using a quartz glass tube; putting a metal rod or a semiconductor rod into a quartz glass sleeve, and then drawing a metal core or a semiconductor core quartz wire; preparing an optical fiber core rod by using a semiconductor material; the metal core, the semiconductor core quartz wire and the hollow quartz capillary tube are arranged around the core rod, the prefabricated rod which is well stacked and arranged is placed in the outer sleeve quartz glass tube, and then the metal semiconductor composite microstructure optical fiber is drawn.
Description
Technical Field
The invention relates to a microstructure optical fiber and a preparation method thereof, in particular to a metal semiconductor composite microstructure optical fiber for a micro optical detector and a preparation method thereof.
Background
The special optical fiber technology has been developed rapidly in recent years, and can be roughly divided into two development directions, i.e. the development of optical fiber structure and the development of optical fiber material. In the development of optical fiber structure, the invention of micro-structured fiber (also called photonic crystal fiber) is a milestone of the development of special optical fiber technology in recent years, the optical fiber is uniformly arranged with air holes along the axial direction, when viewed from the end face of the optical fiber, a periodically arranged two-dimensional structure exists, if 1 hole is missing, the periodically arranged two-dimensional structure forms a band gap, so that light can propagate in the defect, and the special structure of the micro-structured fiber enables the micro-structured fiber to have novel characteristics of endless single mode transmission, high nonlinearity, high birefringence, flat dispersion and the like. The principle of the optical detector is that an optical signal can be received and detected by using the photoelectric effect of a semiconductor material. Because the microstructure optical fiber has air holes, metal and semiconductor materials can be integrated in the air holes, and the metal semiconductor composite microstructure optical fiber can be made into a micro optical detector easy to integrate. The optical fiber has the extension characteristic, and the metal semiconductor composite microstructure optical fiber can be manufactured into a photoelectric detector with a long length to realize multi-point detection, which is difficult to realize in the conventional photoelectric detector.
Disclosure of Invention
In view of the development of new technology, the invention provides a metal semiconductor composite microstructure optical fiber for a micro optical detector and a preparation method thereof, wherein the micro optical detector can be used for multi-point detection which is not easy to realize by a traditional photoelectric detector by utilizing the ductility (long length) of the optical fiber.
The specific technical scheme of the invention is as follows: a metal semiconductor composite microstructure optical fiber for a micro-optical detector is characterized in that: comprises an optical fiber core rod, a plurality of metal core quartz wires, a plurality of hollow capillary tubes and a quartz glass outer sleeve;
a plurality of metal core quartz wires are regularly arranged on the periphery of the optical fiber core rod to form an inner cladding, a plurality of hollow capillaries are regularly arranged on the periphery of the inner cladding to form an outer cladding, and a quartz glass outer sleeve is sleeved on the periphery of the outer cladding.
A method for preparing a metal semiconductor composite microstructure optical fiber for a micro light detector according to claim 1, comprising the steps of:
firstly, drawing a hollow capillary tube with two open ends from a quartz glass tube through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace is set according to the softening point of quartz glass;
secondly, placing the metal rod subjected to surface treatment into a quartz glass sleeve with one end sealed and the same diameter, and drawing a metal core quartz wire through an optical fiber wire drawing heating furnace, wherein the temperature of the wire drawing heating furnace is set according to the softening point of quartz glass, and the metal rod is made of gold, silver or copper;
placing the semiconductor rod into a quartz glass sleeve with one end sealed and the same diameter, drawing an optical fiber core rod through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace is set according to the softening point of quartz;
step four, regularly arranging a plurality of metal core quartz wires on the periphery of the optical fiber core rod to form an inner cladding, and regularly arranging two layers of a plurality of hollow capillaries on the periphery of the inner cladding to form an outer cladding;
and step five, placing the integrated structure arranged in the step four into a quartz glass outer sleeve, suspending the integrated structure in a wire-drawing heating furnace, and drawing the metal semiconductor composite microstructure optical fiber, wherein the temperature of the wire-drawing heating furnace is set according to the softening point of the quartz glass.
The invention has the technical effects that: the optical fiber material is integrated with the optical fiber made of metal and semiconductor materials, and the photoelectric effect of the semiconductor materials can be used for receiving and detecting optical signals to manufacture a micro optical detector which is easy to integrate. The optical fiber has the extension characteristic, and a photoelectric detector with long length can be manufactured based on the metal semiconductor composite microstructure optical fiber to realize multi-point detection.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a metal semiconductor composite microstructure optical fiber for a micro optical detector comprises an optical fiber core rod 1, a plurality of metal core quartz wires 2, a plurality of hollow capillary tubes 3 and a quartz glass outer sleeve 4;
a plurality of metal core quartz wires 2 are regularly arranged on the periphery of an optical fiber core rod 1 to form an inner cladding, a plurality of hollow capillaries 3 are regularly arranged on the periphery of the inner cladding to form an outer cladding, and a quartz glass outer sleeve 4 is sleeved on the periphery of the outer cladding.
The number of the metal core quartz wires 2 is 18, and the arrangement of the 18 metal core quartz wires 2 is hexagonal.
The two-layer many hollow capillary 3 are 54, and the inlayer is 24 hollow capillary 3 and arranges the hexagon, and the skin is the hexagon of 30 hollow capillary 3 arrangements.
The optical fiber core rod 1 is made of semiconductor.
The preparation method of the metal semiconductor composite microstructure optical fiber for the miniature optical detector comprises the following steps:
firstly, drawing a hollow capillary 3 with two open ends from a quartz glass tube through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace can be set according to the softening point of quartz glass;
secondly, placing the metal rod subjected to surface treatment into a quartz glass sleeve with one end sealed and the same diameter, and drawing a metal core quartz wire 2 through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace can be set according to the softening point of the quartz glass, and the metal rod can be made of gold, silver or copper;
placing the semiconductor rod into a quartz glass sleeve with one end sealed and the same diameter, and drawing the optical fiber core rod 1 through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace can be set according to the softening point of quartz;
step four, regularly arranging a plurality of metal core quartz wires 2 on the periphery of the optical fiber core rod 1 to form an inner cladding, and regularly arranging two layers of a plurality of hollow capillary tubes 3 on the periphery of the inner cladding metal core quartz wires to form an outer cladding;
and step five, placing the integrated structure arranged in the step four into a quartz glass outer sleeve 4, suspending the integrated structure in a wire-drawing heating furnace, and drawing the metal semiconductor composite microstructure optical fiber, wherein the temperature of the wire-drawing heating furnace can be set according to the softening point of the quartz glass.
In the case of the example 1, the following examples are given,
firstly, pulling a quartz glass sleeve with the outer diameter of 20mm and the wall thickness of 5mm at 1900 ℃ of a wire drawing heating furnace to form a hollow capillary tube 3 with the outer diameter of 1.5 mm;
step two, polishing a copper rod with the diameter of 3.5mm, the length of 20cm and the purity of 99.99% smoothly by using sand paper, placing the copper rod subjected to surface treatment into a quartz glass sleeve with one end sealed, wherein the outer diameter of the quartz glass sleeve is 10mm, and the inner diameter of the quartz glass sleeve is 3.5mm, then suspending the quartz glass sleeve with the copper rod in a wire drawing heating furnace, and drawing a copper core quartz wire 2 with the outer diameter of 1mm at 1800 ℃;
step three, polishing a semiconductor rod with the diameter of 10mm and the length of 20cm by using abrasive paper, placing the semiconductor rod subjected to surface treatment into a quartz glass sleeve with one end sealed, wherein the outer diameter of the quartz glass sleeve is 16mm, and the inner diameter of the quartz glass sleeve is 10mm, suspending the quartz glass sleeve with the semiconductor rod in a wire drawing heating furnace, and drawing a semiconductor core quartz wire with the outer diameter of 4mm as an optical fiber core rod 1 of an optical fiber preform at 1800 ℃;
step four, taking the semiconductor core quartz wires with the outer diameter of 4.3mm as the optical fiber core rod 1, arranging 18 metal core quartz wires 2 with the outer diameter of 1mm around the optical fiber core rod 1, arranging 18 metal core quartz wires 2 into a hexagon, arranging two layers of 54 hollow capillaries 3 with the outer diameter of 1mm around the inner cladding to form an outer cladding, arranging 24 hollow capillaries 3 into a hexagon in the inner layer, and arranging 30 hollow capillaries 3 into a hexagon in the outer layer;
and step five, placing the integrated structure arranged in the step four into a quartz glass outer sleeve 4 with the outer diameter of 20mm and the wall thickness of 4.5mm, sealing one end, suspending the integrated structure in a wire drawing heating furnace, and drawing the metal semiconductor composite microstructure optical fiber with the outer diameter of 125 microns and capable of being used for a micro optical detector at the temperature of 1800 ℃.
Claims (5)
1. A metal semiconductor composite microstructure optical fiber for a micro-optical detector is characterized in that: comprises an optical fiber core rod (1), a plurality of metal core quartz wires (2), a plurality of hollow capillary tubes (3) and a quartz glass outer sleeve (4);
a plurality of metal core quartz wires (2) are regularly arranged on the periphery of the optical fiber core rod (1) to form an inner cladding, a plurality of hollow capillaries (3) are regularly arranged on the periphery of the inner cladding to form an outer cladding, and a quartz glass outer sleeve (4) is sleeved on the periphery of the outer cladding.
2. The metal-semiconductor composite microstructured optical fiber for a micro light detector according to claim 1, wherein: the number of the metal core quartz wires (2) is 18, and the arrangement of the 18 metal core quartz wires (2) is hexagonal.
3. The metal-semiconductor composite microstructured optical fiber for a micro light detector according to claim 1, wherein: the number of the hollow capillary tubes (3) in the two layers is 54, the inner layer is formed by arranging 24 hollow capillary tubes (3) into a hexagon, and the outer layer is formed by arranging 30 hollow capillary tubes (3) into a hexagon.
4. The metal-semiconductor composite microstructured optical fiber for a micro light detector according to claim 1, wherein: the optical fiber core rod (1) is made of a semiconductor.
5. A method for preparing a metal semiconductor composite microstructure optical fiber for a micro light detector according to claim 1, comprising the steps of:
firstly, drawing a hollow capillary tube (3) with two open ends from a quartz glass tube through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace is set according to the softening point of quartz glass;
secondly, placing the metal rod subjected to surface treatment into a quartz glass sleeve with one end sealed and the same diameter, and drawing a metal core quartz wire (2) through an optical fiber wire drawing heating furnace, wherein the temperature of the wire drawing heating furnace is set according to the softening point of quartz glass, and the metal rod is made of gold, silver or copper;
placing the semiconductor rod into a quartz glass sleeve with one end sealed and the same diameter, drawing an optical fiber core rod (1) through an optical fiber drawing heating furnace, wherein the temperature of the drawing heating furnace is set according to the softening point of quartz;
step four, regularly arranging a plurality of metal core quartz wires (2) on the periphery of the optical fiber core rod (1) to form an inner cladding, and regularly arranging two layers of a plurality of hollow capillaries (3) on the periphery of the inner cladding to form an outer cladding;
and step five, placing the integrated structure arranged in the step four into a quartz glass outer sleeve (4), suspending the integrated structure in a wire-drawing heating furnace, and drawing the metal semiconductor composite microstructure optical fiber, wherein the temperature of the wire-drawing heating furnace is set according to the softening point of the quartz glass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911263627.5A CN110927864A (en) | 2019-12-11 | 2019-12-11 | Metal semiconductor composite microstructure optical fiber for micro optical detector and preparation method thereof |
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| CN201911263627.5A CN110927864A (en) | 2019-12-11 | 2019-12-11 | Metal semiconductor composite microstructure optical fiber for micro optical detector and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977958A (en) * | 2020-08-25 | 2020-11-24 | 东北大学 | Panda-shaped micro-structure optical fiber with oval core filled with silver wires and preparation method thereof |
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| CN102515507A (en) * | 2011-12-08 | 2012-06-27 | 华中科技大学 | Metal core microstructure fiber and preparation method thereof |
| CN102590930A (en) * | 2012-02-28 | 2012-07-18 | 天津理工大学 | Surface plasma oscillation based photonic crystal fiber |
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| US20160320556A1 (en) * | 2013-12-15 | 2016-11-03 | Inphotec Sp. O. O. | Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre |
| CN107129139A (en) * | 2017-04-20 | 2017-09-05 | 华南理工大学 | A kind of metal semiconductor glass photoelectric fiber-optical and preparation method thereof |
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2019
- 2019-12-11 CN CN201911263627.5A patent/CN110927864A/en active Pending
Patent Citations (6)
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| CN102515507A (en) * | 2011-12-08 | 2012-06-27 | 华中科技大学 | Metal core microstructure fiber and preparation method thereof |
| CN102590930A (en) * | 2012-02-28 | 2012-07-18 | 天津理工大学 | Surface plasma oscillation based photonic crystal fiber |
| CN103513327A (en) * | 2013-09-11 | 2014-01-15 | 江苏南方通信科技有限公司 | Bent and insensitive multimode optical fiber and manufacturing method thereof |
| US20160320556A1 (en) * | 2013-12-15 | 2016-11-03 | Inphotec Sp. O. O. | Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre |
| CN104536087A (en) * | 2015-02-03 | 2015-04-22 | 中国电子科技集团公司第四十六研究所 | Multiple-material mixing microstructure fiber and preparation method thereof |
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Non-Patent Citations (2)
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| SORIN, FABIEN等: "Multimaterial photodetecting fibers: a geometric and structural study", 《ADVANCED MATERIALS》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977958A (en) * | 2020-08-25 | 2020-11-24 | 东北大学 | Panda-shaped micro-structure optical fiber with oval core filled with silver wires and preparation method thereof |
| CN111977958B (en) * | 2020-08-25 | 2021-10-22 | 东北大学 | Panda-shaped micro-structure optical fiber with oval core filled with silver wires and preparation method thereof |
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