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An optical fiber preform, and method for fabricating, having a first core, a second core spaced from the first core and first and second regions, the first region having an outer perimeter having a first substantially straight length and the second region having an outer perimeter having a second substantially straight length facing the first straight length. One of the regions can comprise the first core and the other comprises the second core. The preform can be drawn with rotation to provide a fiber wherein a first core of the fiber is multimode at a selected wavelength of operation and a second core of the fiber is spaced from and winds around the first core and has a selected longitudinal pitch. The second core of the fiber can couple to a higher order mode of the first core and increase the attenuation thereof relative to the fundamental mode of the first core.


This report studies sales (consumption) of Fiberoptic Sensors in Global Market, especially in USA, China, Europe, Japan, India and Southeast Asia, focuses on top players in these regions/countries, with sales, price, revenue and market share for each player in these regions, covering  Coherent, Inc. (US)  IPG Photonics Corporation (US)  Leoni AG (Germany)  Newport Corporation (US)  OFS Fitel, LLC. (US)  ROFIN-SINAR Laser GmbH (Germany)  Nufern (US)  Schott AG (Germany)  Spectranetics Corporation (US)  Sunoptic Technologies LLC (US)  Timbercon Inc. (US)  Trimedyne, Inc. (US)  Vitalcor, Inc. (US)  American Medical Systems, Inc. (US)  biolitec AG (Austria)  Market Segment by Regions, this report splits Global into several key Regions, with sales (consumption), revenue, market share and growth rate of Fiberoptic Sensors in these regions, from 2011 to 2021 (forecast), like  USA  China  Europe  Japan  India  Southeast Asia  Split by product Types, with sales, revenue, price and gross margin, market share and growth rate of each type, can be divided into  Type I  Type II  Type III  Split by applications, this report focuses on sales, market share and growth rate of Fiberoptic Sensors in each application, can be divided into  Application 1  Application 2  Application 3 Global Fiberoptic Sensors Sales Market Report 2016  1 Fiberoptic Sensors Overview  1.1 Product Overview and Scope of Fiberoptic Sensors  1.2 Classification of Fiberoptic Sensors  1.2.1 Type I  1.2.2 Type II  1.2.3 Type III  1.3 Application of Fiberoptic Sensors  1.3.1 Application 1  1.3.2 Application 2  1.3.3 Application 3  1.4 Fiberoptic Sensors Market by Regions  1.4.1 USA Status and Prospect (2011-2021)  1.4.2 China Status and Prospect (2011-2021)  1.4.3 Europe Status and Prospect (2011-2021)  1.4.4 Japan Status and Prospect (2011-2021)  1.4.5 India Status and Prospect (2011-2021)  1.4.6 Southeast Asia Status and Prospect (2011-2021)  1.5 Global Market Size (Value and Volume) of Fiberoptic Sensors (2011-2021)  1.5.1 Global Fiberoptic Sensors Sales and Growth Rate (2011-2021)  1.5.2 Global Fiberoptic Sensors Revenue and Growth Rate (2011-2021) 2 Global Fiberoptic Sensors Competition by Manufacturers, Type and Application  2.1 Global Fiberoptic Sensors Market Competition by Manufacturers  2.1.1 Global Fiberoptic Sensors Sales and Market Share of Key Manufacturers (2011-2016)  2.1.2 Global Fiberoptic Sensors Revenue and Share by Manufacturers (2011-2016)  2.2 Global Fiberoptic Sensors (Volume and Value) by Type  2.2.1 Global Fiberoptic Sensors Sales and Market Share by Type (2011-2016)  2.2.2 Global Fiberoptic Sensors Revenue and Market Share by Type (2011-2016)  2.3 Global Fiberoptic Sensors (Volume and Value) by Regions  2.3.1 Global Fiberoptic Sensors Sales and Market Share by Regions (2011-2016)  2.3.2 Global Fiberoptic Sensors Revenue and Market Share by Regions (2011-2016)  2.4 Global Fiberoptic Sensors (Volume) by Application 3 USA Fiberoptic Sensors (Volume, Value and Sales Price)  3.1 USA Fiberoptic Sensors Sales and Value (2011-2016)  3.1.1 USA Fiberoptic Sensors Sales and Growth Rate (2011-2016)  3.1.2 USA Fiberoptic Sensors Revenue and Growth Rate (2011-2016)  3.1.3 USA Fiberoptic Sensors Sales Price Trend (2011-2016)  3.2 USA Fiberoptic Sensors Sales and Market Share by Manufacturers  3.3 USA Fiberoptic Sensors Sales and Market Share by Type  3.4 USA Fiberoptic Sensors Sales and Market Share by Application For more information or any query mail at [email protected]


News Article | December 2, 2016
Site: www.newsmaker.com.au

This report studies Industrial Fiber Lasers in Global market, especially in North America, Europe, China, Japan, Southeast Asia and India, with production, revenue, consumption, import and export in these regions, from 2011 to 2015, and forecast to 2021. This report focuses on top manufacturers in global market, with production, price, revenue and market share for each manufacturer, covering  TRUMPF(SPI)  IPG Photonics  NLIGHT Corporation  Raycus  Rofin  Spectra-Physics  Coherent  GSI  Nufern  Fujikura  Vytek  Xi’an Sino-Meiman Laser Tech By types, the market can be split into  Type I  Type II  Type III By Application, the market can be split into  Industrial Cutting?Drilling & Welding  Laser Hardening & Cladding  Scientific Research By Regions, this report covers (we can add the regions/countries as you want)  North America  China  Europe  Southeast Asia  Japan  India 1 Industry Overview of Industrial Fiber Lasers  1.1 Definition and Specifications of Industrial Fiber Lasers  1.1.1 Definition of Industrial Fiber Lasers  1.1.2 Specifications of Industrial Fiber Lasers  1.2 Classification of Industrial Fiber Lasers  1.2.1 Type I  1.2.2 Type II  1.2.3 Type III  1.3 Applications of Industrial Fiber Lasers  1.3.1 Industrial Cutting?Drilling & Welding  1.3.2 Laser Hardening & Cladding  1.3.3 Scientific Research  1.4 Market Segment by Regions  1.4.1 North America  1.4.2 China  1.4.3 Europe  1.4.4 Southeast Asia  1.4.5 Japan  1.4.6 India 2 Manufacturing Cost Structure Analysis of Industrial Fiber Lasers  2.1 Raw Material and Suppliers  2.2 Manufacturing Cost Structure Analysis of Industrial Fiber Lasers  2.3 Manufacturing Process Analysis of Industrial Fiber Lasers  2.4 Industry Chain Structure of Industrial Fiber Lasers 3 Technical Data and Manufacturing Plants Analysis of Industrial Fiber Lasers  3.1 Capacity and Commercial Production Date of Global Industrial Fiber Lasers Major Manufacturers in 2015  3.2 Manufacturing Plants Distribution of Global Industrial Fiber Lasers Major Manufacturers in 2015  3.3 R&D Status and Technology Source of Global Industrial Fiber Lasers Major Manufacturers in 2015  3.4 Raw Materials Sources Analysis of Global Industrial Fiber Lasers Major Manufacturers in 2015 4 Global Industrial Fiber Lasers Overall Market Overview  4.1 2011-2016E Overall Market Analysis  4.2 Capacity Analysis  4.2.1 2011-2016E Global Industrial Fiber Lasers Capacity and Growth Rate Analysis  4.2.2 2015 Industrial Fiber Lasers Capacity Analysis (Company Segment)  4.3 Sales Analysis  4.3.1 2011-2016E Global Industrial Fiber Lasers Sales and Growth Rate Analysis  4.3.2 2015 Industrial Fiber Lasers Sales Analysis (Company Segment)  4.4 Sales Price Analysis  4.4.1 2011-2016E Global Industrial Fiber Lasers Sales Price  4.4.2 2015 Industrial Fiber Lasers Sales Price Analysis (Company Segment) 6 Global 2011-2016E Industrial Fiber Lasers Segment Market Analysis (by Type)  6.1 Global 2011-2016E Industrial Fiber Lasers Sales by Type  6.2 Different Types of Industrial Fiber Lasers Product Interview Price Analysis  6.3 Different Types of Industrial Fiber Lasers Product Driving Factors Analysis  6.3.1 Type I Industrial Fiber Lasers Growth Driving Factor Analysis  6.3.2 Type II Industrial Fiber Lasers Growth Driving Factor Analysis  6.3.3 Type III Industrial Fiber Lasers Growth Driving Factor Analysis 7 Global 2011-2016E Industrial Fiber Lasers Segment Market Analysis (by Application)  7.1 Global 2011-2016E Industrial Fiber Lasers Consumption by Application  7.2 Different Application of Industrial Fiber Lasers Product Interview Price Analysis  7.3 Different Application of Industrial Fiber Lasers Product Driving Factors Analysis  7.3.1 Industrial Cutting?Drilling & Welding of Industrial Fiber Lasers Growth Driving Factor Analysis  7.3.2 Laser Hardening & Cladding of Industrial Fiber Lasers Growth Driving Factor Analysis  7.3.3 Scientific Research of Industrial Fiber Lasers Growth Driving Factor Analysis 8 Major Manufacturers Analysis of Industrial Fiber Lasers  8.1 TRUMPF(SPI)  8.1.1 Company Profile  8.1.2 Product Picture and Specifications  8.1.2.1 Type I  8.1.2.2 Type II  8.1.2.3 Type III  8.1.3 TRUMPF(SPI) 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.1.4 TRUMPF(SPI) 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.2 IPG Photonics  8.2.1 Company Profile  8.2.2 Product Picture and Specifications  8.2.2.1 Type I  8.2.2.2 Type II  8.2.2.3 Type III  8.2.3 IPG Photonics 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.2.4 IPG Photonics 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.3 NLIGHT Corporation  8.3.1 Company Profile  8.3.2 Product Picture and Specifications  8.3.2.1 Type I  8.3.2.2 Type II  8.3.2.3 Type III  8.3.3 NLIGHT Corporation 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis 8.3.4 NLIGHT Corporation 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.4 Raycus  8.4.1 Company Profile  8.4.2 Product Picture and Specifications  8.4.2.1 Type I  8.4.2.2 Type II  8.4.2.3 Type III  8.4.3 Raycus 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.4.4 Raycus 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.5 Rofin  8.5.1 Company Profile  8.5.2 Product Picture and Specifications  8.5.2.1 Type I  8.5.2.2 Type II  8.5.2.3 Type III  8.5.3 Rofin 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.5.4 Rofin 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.6 Spectra-Physics  8.6.1 Company Profile  8.6.2 Product Picture and Specifications  8.6.2.1 Type I  8.6.2.2 Type II  8.6.2.3 Type III  8.6.3 Spectra-Physics 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.6.4 Spectra-Physics 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.7 Coherent  8.7.1 Company Profile  8.7.2 Product Picture and Specifications  8.7.2.1 Type I  8.7.2.2 Type II  8.7.2.3 Type III  8.7.3 Coherent 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.7.4 Coherent 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.8 GSI  8.8.1 Company Profile  8.8.2 Product Picture and Specifications  8.8.2.1 Type I  8.8.2.2 Type II  8.8.2.3 Type III  8.8.3 GSI 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.8.4 GSI 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.9 Nufern  8.9.1 Company Profile  8.9.2 Product Picture and Specifications  8.9.2.1 Type I  8.9.2.2 Type II  8.9.2.3 Type III  8.9.3 Nufern 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.9.4 Nufern 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.10 Fujikura  8.10.1 Company Profile  8.10.2 Product Picture and Specifications  8.10.2.1 Type I  8.10.2.2 Type II  8.10.2.3 Type III  8.10.3 Fujikura 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.10.4 Fujikura 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.11 Vytek  8.11.1 Company Profile  8.11.2 Product Picture and Specifications  8.11.2.1 Type I  8.11.2.2 Type II  8.11.2.3 Type III  8.11.3 Vytek 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.11.4 Vytek 2015 Industrial Fiber Lasers Business Region Distribution Analysis  8.12 Xi’an Sino-Meiman Laser Tech  8.12.1 Company Profile  8.12.2 Product Picture and Specifications  8.12.2.1 Type I  8.12.2.2 Type II  8.12.2.3 Type III  8.12.3 Xi’an Sino-Meiman Laser Tech 2015 Industrial Fiber Lasers Sales, Ex-factory Price, Revenue, Gross Margin Analysis  8.12.4 Xi’an Sino-Meiman Laser Tech 2015 Industrial Fiber Lasers Business Region Distribution Analysis 9 Development Trend of Analysis of Industrial Fiber Lasers Market  9.1 Global Industrial Fiber Lasers Market Trend Analysis  9.1.1 Global 2016-2021 Industrial Fiber Lasers Market Size (Volume and Value) Forecast  9.1.2 Global 2016-2021 Industrial Fiber Lasers Sales Price Forecast  9.2 Industrial Fiber Lasers Regional Market Trend  9.2.1 North America 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.2.2 China 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.2.3 Europe 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.2.4 Southeast Asia 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.2.5 Japan 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.2.6 India 2016-2021 Industrial Fiber Lasers Consumption Forecast  9.3 Industrial Fiber Lasers Market Trend (Product Type)  9.4 Industrial Fiber Lasers Market Trend (Application)


Methods and apparatuses for determining the polarization state and for providing polarization control in optical fiber lasers and amplifiers. One embodiment of the invention is an optical fiber amplifying system including a circulator (260) having a first optical port (260a), a second optical port (260b) that is configured to output radiation received from the first optical port, and a third optical port (260c) that is configured to output radiation received from the second optical port; one or more amplifier stages (216) connected in series, together having an optical input (216a) optically coupled to the second port of the circulator, and an optical output (216b); and a polarization detector (240) having an optical input optically coupled to the third port of the circulator. Thereby the polarization state of the amplified radiation can be determined using radiation backscattered from the amplifying stage.


Optical fiber lasers and components for optical fiber laser. An optical fiber laser can comprise a fiber laser cavity having a wavelength of operation at which the cavity provides output light, the cavity including optical fiber that guides light having the wavelength of operation, the fiber having first and second lengths, the first length having a core having a V-number at the wavelength of operation and a numerical aperture, the second length having a core that is multimode at the wavelength of operation and that has a V-number that is greater than the V-number of the core of the first length optical fiber at the wavelength of operation and a numerical aperture that is less than the numerical aperture of the core of the first length of optical fiber. At least one of the lengths comprises an active material that can provide light having the wavelength of operation via stimulated emission responsive to the optical fiber receiving pump light. Components include a mode field adapter and optical fiber interconnection apparatus, which can be used to couple the first and second lengths of optical fiber, or can couple the fiber laser to an optical fiber power amplifier, which can be a multimode or single mode amplifier.


An optical fiber preform, and method for fabricating, having a first core, a second core spaced from the first core and first and second regions, the first region having an outer perimeter having a first substantially straight length and the second region having an outer perimeter having a second substantially straight length facing the first straight length. One of the regions can comprise the first core and the other comprises the second core. The preform can be drawn with rotation to provide a fiber wherein a first core of the fiber is multimode at a selected wavelength of operation and a second core of the fiber is spaced from and winds around the first core and has a selected longitudinal pitch. The second core of the fiber can couple to a higher order mode of the first core and increase the attenuation thereof relative to the fundamental mode of the first core.


The present invention relates generally to devices for the generation and amplification of electromagnetic energy. The present invention relates more particularly to optical fiber devices, such as lasers and amplifiers, useful for generating and amplifying optical energy. Accordingly, one aspect of the present invention is an optical fiber device for providing optical gain at a selected wavelength, the optical fiber device comprising: one or more sources of optical pump energy; a first length of optical fiber having a core comprising a first cross-sectional region within which the concentration of a rare earth does not fall below 50% of its highest concentration; and a second length of optical fiber comprising a core comprising a first cross-sectional region within which the concentration of the rare earth does not fall below 50% of its highest concentration, wherein the intensity of optical pump energy is higher in the first length of optical fiber than in the second, and the first cross-sectional region of the core of the second length of optical fiber is larger in area than the first cross-sectional region of the core of the first length of optical fiber.


Patent
Nufern | Date: 2014-03-12

The present invention relates generally to high brightness optical fiber systems and, more particularly to optical fiber systems 104 having an optical power module 151 remote from an initial amplifier stage 101. In one aspect of the invention, the optical fiber system comprises a first active optical fiber 102 operatively coupled to one or more first pump sources 104; a first signal optical fiber 110 coupled to the first active optical fiber 102; one or more final pump sources 120; one or more final pump optical fibers 130, coupled to one or more of the final pump sources 120; and spatially separated from the one or more final pump sources 120 and the initial amplifier stage 101 comprising the first active optical fiber 102, a power module 151, comprising a final active optical fiber 150, coupled to the first signal optical fiber 110, said final active optical fiber 150 being coupled to said one or more final pump optical fibers 130.


The present invention relates to optical fibers useful for the transmission of electromagnetic energy at such high levels of power that stimulated Brillouin scattering (SBS) may be of importance. One aspect of the present invention is an optical fiber for the propagation of optical radiation having an optical wavelength, the optical fiber and optical wavelength having an SBS acoustic wavelength associated therewith, the optical fiber comprising a core having a geometrical center and an outer perimeter; and a cladding surrounding the core; wherein the core is rare earth doped and substantially free of germanium, the optical fiber has a refractive index profile such that the core is guiding for optical radiation having the optical wavelength, and the optical fiber has an acoustic index profile such that the core is antiguiding for an acoustic wave having the SBS acoustic wavelength.


Patent
Nufern | Date: 2014-09-16

The present invention relates generally to a mount for securely holding an optical fiber in place, for example, on an optical bench or a translation stage. In one embodiment, the mount includes a lower block having a first portion, which has an upward-facing channel formed in the top surface thereof and extending from the front surface to the rear region. The channel forms a groove at its bottom. The mount further includes an upper block disposed over the first portion of the lower block. The upper block has a downward-facing ridge that includes one or more holding surfaces disposed adjacent the groove and extending along the downward-facing ridge. The upper block is held against the first portion of the lower block, such that the one or more holding surfaces are positioned to hold the optical fiber in the groove.

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