0000007858 00000 n 0000002078 00000 n This interrogator operates at ambient temperatures up to 60C and only requires 15 watts of total power. This software has been developed to perform real time measurements using the FBG-Scan interrogator series of FBGS. Time division multiplexing (TDM) systems use the known speed of light in the fiber to discern which signal is reflected from which FBG along the fiber path. Tom Graver Director, Optical Sensing twgraver@vps28240.inmotionhosting.com/~microndev. An optical interrogator, also known as measurement unit or data acquisition system, is an optoelectronic instrument, which allows the reading of optical fiber Bragg grating (FBG) sensors in static and dynamic monitoring applications. Theoretically, 100 or more FBGs can be on the same fiber at the same nominal center wavelength. The periodic modulation of refractive index is generated by the interference pattern created from thephase mask, and it creates a narrow filter response with peak reflectivity at a wavelength determined by the period of the FBG. By adding our proprietary high-speed laser drive and photodetector electronics, we have produced a suite of instruments with extraordinary resolution, accuracy, ruggedness and price. 0000002486 00000 n The interrogator internal temperature is measured by an electrical temperature sensor (NTC-type) and an Optical temperature sensor (a strain free FBG). “The acquisition of Micron Optics fits squarely within our core technology platform and target markets – structural testing and sensing as well as communications testing." 12. Multi-line wavelength meters acquire data at slow speeds only, and are not mechanically robust. 0000012388 00000 n 0000004120 00000 n 0000001688 00000 n This increases range significantly. Huge FBG Sensor Capacity - The sm125 can monitor a huge number of multiplexed fi ber Bragg grating sensors. Micron Optics has been helping customers use fiber optic sensors since 1997. 0000013808 00000 n 0000009582 00000 n %PDF-1.2 %���� 3.2 FBG sensors used For the interrogator used, there is no recommendation for a specific type of FBG sensor to be used. 0000007836 00000 n Interrogator FBG-Scan X0X-EP. The I4 series FBG interrogators provide the ultimate solution for all your fiber optic sensing projects. Luna Innovations has acquired Micron Optics, Inc., a leading provider of innovative optical components and laser-based measurement technology. 2) Swept laser sources are powerful enough to split into four fibers for simultaneous measurement of >300 sensors. 0000013830 00000 n Optical Sensing Interrogator sm130 - Micron Optics：光学遥感器SM130微米光学SM,sm,光学,Sm130,sm130,SM130,微米光学,反馈意见 . Powered by a high output power 250Hz swept laser, the si425 can interrogate up to 512 optical sensors simultaneously, with 1 pm resolution and 10 pm repeatability over time and temperature. 0000011018 00000 n The 2) Swept laser sources are powerful enough to split into four fibers for simultaneous measurement of >300 sensors. 0000027961 00000 n It supports both the 80X as well as the 90X series and also supports the EP-versions of those systems (Embedded Processing). There are other approaches, but they have significant drawbacks: a) Broadband source, Dispersive element, Diode Array Limitations: This method cannot achieve the required wavelength measurement repeatability and resolution with commercially available diode arrays. The Micron Optics si425 Swept Laser Interrogator provides rapid, accurate measurements on hundreds of optical sensors in real time. This versatile instrument can interrogate up to 50 sensors simultaneously on up to 4 fi bers at 1kHz or hundreds of sensors at 100 to 500 Hz. A broadband source such as a superluminescent diode (SLED) or an amplified … Here are the basics. Also, our the photodetectors are very sensitive. Revision II of the FBG interrogation system is being developed and promises to deliver speeds of up to 100 kHz, while still maintaining it's small size and low power requirements. Micron Optics interrogators use laser light sources, so the starting power is high. All of our FBG components (DTG ®, FSG ®, AGF ®) stand out with unmatched mechanical and optical properties.Our interrogators are known for best in class performance and great cost effectiveness. have developed a micro optical sensor interrogator using a monolithically integrated planar lightwave circuit based echelle diffractive grating demultiplexer and a detector array. d. External Cavity Tunable Laser, Power Meter, Wavelength Meter Limitations: External cavity tunable lasers are slow, expensive, and do not have a wide operating temperature range or the required mechanical robustness. It has been found that the measurement range of this micro interrogator is more than 25 nm with better than 1 pm resolution. NI makes the PXIe-4844, an Optical Sensor Interrogator for Fiber Bragg Gratings. 0000021978 00000 n trailer << /Size 115 /Info 67 0 R /Root 71 0 R /Prev 200101 /ID[] >> startxref 0 %%EOF 71 0 obj << /Type /Catalog /Pages 68 0 R /Metadata 69 0 R >> endobj 113 0 obj << /S 192 /Filter /FlateDecode /Length 114 0 R >> stream The design and development of this device are presented in this paper. The integrated optic microchip technology enables the integration of all of the functionalities, both passive and active, of conventional bench-top FBG sensor interrogators systems, packaged in a miniaturized, low power operation, single fiber package suitable for the long-term structural health monitoring in applications where size, weight, and power are critical for operation. 0000006729 00000 n However, several manufacturers of FBGs or FBG based sensors do not even In that time we still hear a common thread of questions. We are a serial innovator of groundbreaking fiberoptic products enabling new kinds of applications in various industries. Ultimate precision, repeatability, and accuracy: this interrogator family returns … When more than one FBG is present on a fiber (this is often the case), the instrument will use one of two schemes to discriminate between one FBG and the next. Micron Optics will be the world’s leading Supplier of large scale, 1852 Century Place NE Atlanta, Georgia 30345, Visit Micron Optics at Laser World of Photonics in Germany. 0000002215 00000 n We offer high quality FBG sensing components such as Draw Tower Gratings (DTG ® s), All Grating Fiber (AGF ®), FemtoSecond Gratings (FSG ® s), FBG-Sensors and measurement devices. Maia, Portugal/Atlanta, GA, Nov. 1, 2007 — FiberSensing, S.A., Portugal, and Micron Optics Inc., USA, announce the release of a new Portable Measurement Unit for fiber Bragg grating (FBG) based sensors. 0000001710 00000 n 0000002352 00000 n For instance, client tests found that Smart Fibres’ SmartPatch sensors were still 100 % functional after 6 x10 7 cycles of tensile and compressive fatigue loading. 1) Scanning speed is not a function of the number of sensors, and the scan speed can be up to 2kHz. 0000001248 00000 n 0000028125 00000 n 0000006533 00000 n We (Micron Optics) have chosen the WDM approach for a few reasons. 0000009560 00000 n 0000024110 00000 n We (Micron Optics) have chosen the WDM approach for a few reasons. The most utilized scheme is wavelength division multiplexing, or WDM. 0000027984 00000 n With the Micron Optics … 0000002624 00000 n WDM ranges are now very large and can also accommodate more than 100 sensors per fiber. Optical Distributed Sensor Interrogator The ODiSI 6000 Series is a powerful measurement system specifically designed to address the modern test challenges of advanced materials and systems. 0000005219 00000 n 70 0 obj << /Linearized 1 /O 72 /H [ 1321 389 ] /L 201629 /E 28486 /N 6 /T 200111 >> endobj xref 70 45 0000000016 00000 n 0000027939 00000 n Our FBG interrogators are all based on a tunable laser that is qualified for 25 years life for the telecoms industry. - Scott Graeff, President and Chief Executive Officer of Luna When broadband light hits the periodic microstructure, one specific wavelength band is … Micron Optics will be the world’s leading Supplier of large scale, rapid response safety and ecuirty monitoring system and services that enchance the well being of people. Our FBG interrogators are a revolutionary new breed of optical fiber interrogators. The Micron Optics si255 is an industrial grade fanless optical sensing interrogator that supports FBG, long period FBG, and Fabry Perot (FP) sensors, and is available in high-resolution, standard speed (1,000 Hz), and high-speed (5,000 Hz) models. 0000028051 00000 n ENLIGHTPro Sensing Analysis Software is included with Micron Optics sensing interrogator FiSens GmbH developes, manufactures and markets fully-integrated sensor systems based on fiberoptical spectrometers and fiber Bragg grating (FBG) sensor chains. Here are the top few: Q: How many FBGs sensors can be on one fiber? 4) WDM is compatible with Micron Optics fast, narrow line, wide range lasers that are stable over time and temperature, and are mechanically robust in environments where they will encounter shock and vibration. 0000015501 00000 n 0000022186 00000 n 0000025940 00000 n During the tests the interior and the exterior of the interrogator were equipped with 9 extra pt100 temperature sensors. 频道. 42, 1305–1308 (2017). This interrogator gathers results on multi-mode fiber but is purpose built to require less power and is designed for long term remote monitoring. 3) FBGs can be highly reflective. The addition of power meters and wavelength meters add to the bulk, complexity, and cost, as well as reduce reliability and speed. Date Announced: 01 Oct 2010 . Micron Optics in-terrogators are installed in hundreds of applications in harsh environments around the world from oil platforms in Brunei to marine vessels in the North Sea, to tunnels in Japan. 0000006329 00000 n Minimum physical grating spacing limits some applications. Micron Optics Powers New National Instruments Optical Sensor Interrogator. Providing unmatched precision, noise-floor, and accuracy, the I4 series deliver the performance that all sensing systems require to turn into a reliable monitoring solution. A: It depends on the range of measurement. and tests at Micron Optics headquarters prove how well Micron Optics products are designed and built. Der Interrogator leitet sich von der HYPERION si155-Plattform ab und nutzt die Vorteile, des patentierten Fabry-Perot-Filter von Micron Optics und der Wellenlängenreferenztechnologie. 0000001321 00000 n H.-T. Kim and M. Yu, “High-speed optical sensor interrogator with a silicon-ring-resonator-based thermally tunable filter,” Opt. 0000024087 00000 n SPIE 9480, 94800P (2015). 0000003014 00000 n 0000012410 00000 n b) Broadband source, Optical Spectrum Analyzer/Multi-line wavelength meter Limitations: Laboratory OSAs are large, slow, expensive, and do not have a wide operating temperature range. The actual translation is given by the gage factor supplied with the FBG sensor. The ODiSI system delivers the highest definition distributed sensing of strain and temperature available, giving you maximum insight and visibility into your component or process. 0000002814 00000 n The reflected light travels back to the instrument’s photo detectors and is compared to wavelength reference artifacts so that the instrument can determine the position of the center wavelength of the FBG. G. Vargas, “Fiber Bragg grating interrogation using a micro-ring resonator tunable filter with peak wavelength detection enhancement,” Proc. WDM FBGs are at distinctly different nominal center wavelengths from their neighbors, and the interrogator uses these unique FBG wavelengths to keep track of which sensor is which. Polarization properties of the narrow line lasers may not be an ideal match for all sensing applications. 0000015176 00000 n This coupled with the high dynamic range of the instrument make the system much more flexible for measurements over tens of kilometers of fiber. Micron Optics/FiberSensing Announce New Portable Interrogator for FBG Sensors. 3) FBGs can be highly reflective. The SwitchedGator is an 8-channel multiplexed interrogator for distributed FBG sensing with a small footprint (110 × 130 × 47 mm), 12 VDC/5W power rating, and an IP67 mounting option. © Micron Optics 2018 | All Rights Reserved, WordPress Download Manager - Best Download Management Plugin. With our proprietary fully-automated femtosecond laser process we produce standardized as well as customized FBG … The sm130 Optical Sensing Interrogator provides simultaneous, static and dynamic interrogation for hundreds of fiber optic sensors. Low broadband source power limits the ultimate needed combination of channel count/sensor capacity and dynamic range/distance to sensors. If you have this in your PC, MAX should see it. Built upon the new Micron Optics HYPERION instrumentation platform and innovative x55 optical sensing core, the all new, industrial grade, si255 Optical Sensing Interrogator combines and enhances the very best features of Micron Optics’ FBG interrogators. The combination of high speed (2KHz) and repeatability (1μstrain) allows a single instrument to interrogate dynamic sensors and measure ultrahigh resolution of static sensors (e. G., 0.005C). 0000027916 00000 n 1) Scanning speed is not a function of the number of sensors, and the scan speed can be up to 2kHz. With 80nm of wavelength range per channel and up to 16 optical channels, users of the system have great fl exibility in designing their Light is sent into a fiber and reflects back from the FBG. Low broadband source power limits the ultimate needed combination of channel count/sensor capacity and dynamic range/distance to sensors. FBG sensors measure strain, temperature and more. 0000022209 00000 n The only brief statement regards to the uses of apodized gratings (Micron Optics, 2004, p. 65). 0000011040 00000 n c. OTDR/TDM systems Limitations: Low loss budget precludes a solution with the required number of sensors and/or channels, and data acquisition rates scale down with increasing sensor counts. Sensor capacity on each fiber is determined by the range that each sensor will measure and the total spectral range of the instrument. Wavelength information is converted to engineering units, e.g., 1.2 picometers of wavelength shift could correspond to 1 microstrain. H�b```f``�d`c`��� Ȁ �@16�L����D�. 0000025963 00000 n The launch power minus the detection noise floor gives us the loss budget of the interrogator (we call it dynamic range on the instrument data sheets). A fiber Bragg grating (FBG) is a microstructure written within the core of an optical fiber comprising a periodic modulation of the refractive index of the underlying glass material. Optical fibre fatigue reliability is very high and FBG sensors benefit from this fact. 0000015717 00000 n 豆丁首页 社区 企业工具 创业 微案例 会议 热门频道 工作总结 作文 股票 医疗 文档分类 论文 生活休闲 外语 心理学 全部. The x30 interrogator core employs high speed Lett. Its a significant step change for remote fiber optic monitoring. The FBG sensor is a short piece of optical fiber with a periodic modulation of the refractive index in the optical fiber. 0000002028 00000 n 0000028195 00000 n The sm130 Optical Sensing Interrogator is built upon the x30 optical interrogator core, featur-ing a high power, high speed swept wavelength laser, realized with Micron Optics patented Fiber Fabry-Perot Tunable Filter technology. The sm130 Optical Sensing Interrogator meets the growing demand for fast interrogation of fi ber optic sensors in harsh environments.
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