Academic literature on the topic 'Length metrology'

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Journal articles on the topic "Length metrology"

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Lee, Dong-Yeon, Dong-Min Kim, and Dae-Gab Gweon. "Atomic Force Microscope for Standard Length Metrology." Transactions of the Korean Society of Mechanical Engineers A 30, no. 12 (2006): 1611–17. http://dx.doi.org/10.3795/ksme-a.2006.30.12.1611.

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Stone, Jack A. "Uncalibrated Helium-Neon Lasers in Length Metrology." NCSLI Measure 4, no. 3 (2009): 52–58. http://dx.doi.org/10.1080/19315775.2009.11721483.

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Matsumoto, Hirokazu. "In-Situ Interferometric Metrology with Optical Comb." Journal of Electrical Electronics Engineering 4, no. 1 (2025): 01–10. https://doi.org/10.33140/jeee.04.01.02.

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Optical frequency comb has various characteristics such as short pulse, broad spectra, many spectral lines, and high temporal coherency. In this paper, historical progress of the optical frequency comb is introduced in the metrology field and its temporalcoherence inteferometric applications are discussed for optical metrology. Specially, in-situ length metrology is presented on new measurement applications using the characteristics of the repetition frequency, brad spectra and high accuracy of the optical frequency comb.
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García-Asenjo, Luis, Sergio Baselga, Chris Atkins, and Pascual Garrigues. "Development of a Submillimetric GNSS-Based Distance Meter for Length Metrology." Sensors 21, no. 4 (2021): 1145. http://dx.doi.org/10.3390/s21041145.

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Absolute distance determination in the open air with an uncertainty of a few tenths of a millimetre is increasingly required in many applications that involve high precision geodetic metrology. No matter the technique used to measure, the resulting distances must be proven consistent with the unit of length (SI-metre) as realized in the outdoor facilities traditionally used in length metrology, which are also known as calibration baselines of reference. The current calibration baselines of reference have distances in the range of 10 to 1000 m, but at present there is no solution on the market
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ZHANG Yujie, 张玉杰, 雷李华 LEI Lihua, 管钰晴 GUAN Yuqing та ін. "纳米长度溯源链融合计量研究". Infrared and Laser Engineering 54, № 5 (2025): 20250074. https://doi.org/10.3788/irla20250074.

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Buchta, Zdeněk, Martin Šarbort, Martin Čížek, et al. "System for automatic gauge block length measurement optimized for secondary length metrology." Precision Engineering 49 (July 2017): 322–31. http://dx.doi.org/10.1016/j.precisioneng.2017.03.002.

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Wieczorowski, Michał, Paweł Pawlus, and Bartosz Gapiński. "Perspectives of modern metrology." Mechanik 92, no. 12 (2019): 767–73. http://dx.doi.org/10.17814/mechanik.2019.12.106.

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The most up-to-date trends in development of length and angle metrology were presented. This development falls within a concept of Industry 4.0 and is understood as Metrology 4.0. Basic elements of these concepts and their connections were shown during years in relation to consecutive industrial revolutions. Specific issues regarding additive technologies were described with a view to functional filtration. Achievements of coordinate measuring technique in macro scale were also presented including optical scanning and computed tomography. In conclusions standardization works regarding the ment
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TANAKA, Shinichi. "Non-Contact 3D Metrology by Multi Wave-Length Interferometer." Journal of the Japan Society for Precision Engineering 85, no. 8 (2019): 695–98. http://dx.doi.org/10.2493/jjspe.85.695.

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Blumröder, Ulrike, Ronald Füßl, Thomas Fröhlich, Eberhard Manske, and Rostyslav Mastylo. "FREQUENCY COMB-COUPLED METROLOGY LASERS FOR NANOPOSITIONING AND NANO MEASURING MACHINES." Measuring Equipment and Metrology 82, no. 4 (2021): 36–42. http://dx.doi.org/10.23939/istcmtm2021.04.036.

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This article shows how a direct readout of the interferometric length measurement in nanopositioning machines can be transferred by connecting the metrology laser to a frequency comb line. The approach is based on a GPS-referenced frequency comb with which the stability of the timer (atomic clock via GPS) is transferred to the metrology laser of the nanopositioning and nano measuring machine NPMM-200. The necessary prerequisites for ensuring traceability are discussed. It is demonstrated that with this approach an improvement in the long-term stability of the metrology laser by three orders of
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Jing, Ren, and Xin Chang. "A determinate method of metrology attribute benchmark of commercial banks’ management efficiency." PLOS ONE 17, no. 8 (2022): e0272286. http://dx.doi.org/10.1371/journal.pone.0272286.

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The evaluation or metrology of commercial bank management efficiency is the core of its effective management. The existing management efficiency of commercial banks adopts evaluation scheme rather than metrology. There are four shortcomings with the evaluation scheme, the evaluation is a ranking of advantages and/or disadvantages, all objects should participate in the evaluation, the evaluation results are valid only for the evaluated objects, and the evaluation results lack the metrology benchmark of the object domain. To address this issue, the paper presents a method to determine the benchm
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Dissertations / Theses on the topic "Length metrology"

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Barwood, Geoffrey P. "Frequency stabilised laser diodes and their use in length metrology." Thesis, University of Kent, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314498.

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SANTAGATA, ROSA. "Sub-nanometer length metrology for ultra-stable ring laser gyroscopes." Doctoral thesis, Rosa Santagata, 2015. http://hdl.handle.net/11365/1004514.

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Large-frame ring laser gyroscopes are extremely sensitive inertial detectors of rotational motion. When properly coupled to the ground, they provide precise measurements of the Earth rotation rate and give important informations to geodesy and geophysics. Recent advances in this technology led to consider the application of ring laser gyroscopes to fundamental physics. In this context is GINGER (Gyroscopes IN GEneral Relativity), a scientic proposal for testing General Relativity (local observation of the Lense-Thirring eect) with a ground-based array of ring laser gyroscopes. The experimental
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Gedela, Naga Venkata Praveen babu. "MEASUREMENT AND ITS HISTORICAL CONTEXT." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1226037175.

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Donaldson, Claire Louise. "Spine characteristics in sheep : metrology, relationship to meat yield and their genetic parameters." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/20381.

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The overall accuracy, efficiency and profitability of livestock improvement strategies can be greatly increased by incorporating quantitative genetics into livestock selection and breeding. Since the introduction of quantitative genetics, a range of traits describing the animal e.g. in terms of health, growth, fecundity, production, have been extensively evaluated in terms of genetics and are now commonly manipulated through breeding to achieve specific selection goals. An industry led enquiry as to the possibility of including spine traits in genetic selection to increase back length in sheep
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APRILE, GIULIA. "Directed self-assembly of Di-Block copolymers for a new idea of length standards at the nanoscale." Doctoral thesis, Università del Piemonte Orientale, 2017. http://hdl.handle.net/11579/86901.

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Di-Block Copolymers (DBCs) are materials composed of two different monomer subunits linked together. These blocks are able to self-assemble in different microphases with various morphologies (cylinders, lamellae, spheres, gyroids). For this reason, the DBCs are widely investigated as patterning and nanofabrication technique. In this work, the combination of conventional lithographic approaches with the Self-Assembly of DBCs is investigated, to develop a new generation of lateral length standards at the nanoscale (under 70 nm) with a low cost approach based on the natural constants of matter. T
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Holá, Miroslava. "Pokročilé interferometrické metody pro souřadnicové odměřování." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-364822.

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This thesis addresses particular topics in the field of the length metrology for nanometrology. Nanometrology deals with dimensional measurements of micro- and nanostructures with a high spatial resolution. It typically combines a microscope imaging with a precise coordinate measurement, usually capable of nanometre resolution using the state-of-art laser interferometry techniques. The development in this field is driven, among others, by emerging advanced nanotechnologies that demand to push further the capabilities and limits of the interferometric techniques to make the nanometre-level dime
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Hopper, David J. "Investigation of laser frequency stabilisation using modulation transfer spectroscopy." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/16667/1/David_John_Hopper_Thesis.pdf.

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Optical frequency standards are necessary tools for accurate measurement of time and length. In practice these standards are stabilised laser systems locked to a known frequency reference. These references are typically the resonant frequencies of the atoms of an absorption medium that have been theoretically calculated to a high degree of accuracy. This thesis describes a combination of experimental and theoretical research performed on modulation transfer spectroscopy (MTS)--a technique used to frequency stabilise a laser in order to produce an accurate frequency reference--with emphasis pla
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Hopper, David J. "Investigation of laser frequency stabilisation using modulation transfer spectroscopy." Queensland University of Technology, 2008. http://eprints.qut.edu.au/16667/.

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Optical frequency standards are necessary tools for accurate measurement of time and length. In practice these standards are stabilised laser systems locked to a known frequency reference. These references are typically the resonant frequencies of the atoms of an absorption medium that have been theoretically calculated to a high degree of accuracy. This thesis describes a combination of experimental and theoretical research performed on modulation transfer spectroscopy (MTS)--a technique used to frequency stabilise a laser in order to produce an accurate frequency reference--with emphasis pla
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Royo, Royo Santiago. "Topographic measurements of non-rotationally symmetrical concave surfaces using Ronchi deflectometry." Doctoral thesis, Universitat Politècnica de Catalunya, 1999. http://hdl.handle.net/10803/6745.

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El objetivo de la presente Tesis es el desarrollo de un sistema de medidas topográficas de superficies sin simetría de rotación, que se ha aplicado a superficies toroidales. No tenemos constancia de que este tipo de medidas se haya realizado mediante deflectometría Ronchi. La misma obtención de topografías es un proceso poco frecuente incluso cuando las muestras son de revolución y la deflectometría Ronchi clásica tiene plena validez.<br/><br/>Esta Tesis Doctoral, redactada en inglés, se ha dividido en ocho capítulos: <br/><br/>En su primer capítulo se introduce a lector en el entorno en el qu
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Books on the topic "Length metrology"

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Fornaro, Arcangelo. Problemi di metrologia nell'opera di Polibio. Edipuglia, 2005.

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Shevcov, Vyacheslav. Auxiliary historical disciplines: historical Metrology of Russia. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1048877.

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The textbook sets out the basics of historical Metrology, presents the historiography of the discipline, and describes its sources, methods, and research approaches. The features of the formation and development of the main Russian measures and their application are considered in the General context of the economic and cultural history of the Russian state and society, the development of scientific and technical knowledge. The appendices contain the program of lectures on historical Metrology, control questions on the course, topics of possible abstracts, a list of sources, textbooks and liter
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Malagola, Gianfranco. La metrologia dimensionale per l'industria meccanica: Aspetti teorici e pratici nelle misure di lunghezza per la determinazione delle specifiche geometroche dei prodotti. Augusta-Mortarino, 2004.

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Schodel, Rene. Modern Interferometry for Length Metrology: Exploring Limits and Novel Techniques. Iop Publishing Ltd, 2019.

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Schödel, Professor René, Dr Florian Pollinger, and Dr Arnold Nicolaus. Modern Interferometry for Length Metrology: Exploring limits and novel techniques. Institute of Physics Publishing, 2018.

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Olesko, Kathryn M. Physics and Metrology. Edited by Jed Z. Buchwald and Robert Fox. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199696253.013.24.

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This article traces the history of the relationship between physics and metrology, or physical metrology. It first examines how metrology became a part of the concerns of historians of science, and particularly physics, citing the work of Alexandre Koyré, Thomas Kuhn, and Witold Kula. It then describes various approaches to physics and metrology, focusing on the construction of a standard of length based on the seconds pendulum and the determination of the unit of electrical resistance. It also discusses broader historical issues in physics and metrology, including labour practices in physics,
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Book chapters on the topic "Length metrology"

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Flügge, Jens, Stefanie Kroker, and Harald Schnatz. "Fundamental Length Metrology." In Handbook of Laser Technology and Applications, 2nd ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003130123-2.

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Hebra, Alexius J. "The measurement of length." In The Physics of Metrology. Springer Vienna, 2010. http://dx.doi.org/10.1007/978-3-211-78381-8_1.

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Nawrocki, Waldemar. "Standards and Measurements of Length." In Introduction to Quantum Metrology. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19677-6_10.

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Nawrocki, Waldemar. "Standards and Measurements of Length." In Introduction to Quantum Metrology. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15669-9_10.

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Jiang, Y., Y. Huang, and K. Gao. "Optical Atomic Clock and Laser Applications to Length and Time Metrology." In Handbook of Laser Technology and Applications, 2nd ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003130123-10.

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Softić, Almira, Hazim Bašić, Samir Lemeš, and Nermina Zaimović-Uzunović. "Research of Traceability of Unit of Length in Metrology System of Bosnia and Herzegovina." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18177-2_9.

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Puzio, Krzysztof, Michał Wieczorowski, Alejandro Pereira, and Bartosz Gapinski. "A Concept of a Walking Robot with Potential Use in Length and Angle Metrology." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-62684-5_2.

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"Fundamental length metrology." In Handbook of Laser Technology and Applications (Three- Volume Set). CRC Press, 2003. http://dx.doi.org/10.1201/noe0750309608-92.

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"Length Measurement." In Introduction to OPTICAL METROLOGY. CRC Press, 2017. http://dx.doi.org/10.1201/9781315215228-14.

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"Length Measurement." In Introduction to OPTICAL METROLOGY. CRC Press, 2017. http://dx.doi.org/10.1201/9781315215228-6.

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Conference papers on the topic "Length metrology"

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van Zutphen, Robin, Paul Bloemen, Ton van Leeuwen, and Xavier Attendu. "A simple and cost-effective method for precise length measurements of optical fibers." In Optical Sensing and Precision Metrology, edited by Jacob Scheuer. SPIE, 2025. https://doi.org/10.1117/12.3041239.

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MAAROUF, Khalil, Nibras ABO ALZAHAB, and Ghada SAAD. "The Effect of EEG Segment's Length on Mental Workload Detection." In 2024 IEEE International Conference on Metrology for eXtended Reality, Artificial Intelligence and Neural Engineering (MetroXRAINE). IEEE, 2024. https://doi.org/10.1109/metroxraine62247.2024.10795942.

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Casella, Monica, Francesca Borghesi, Pietro Cipresso, and Davide Marocco. "Analyzing the Impact of Questionnaire Length on Respondent Burden Through Biosensors." In 2024 IEEE International Conference on Metrology for eXtended Reality, Artificial Intelligence and Neural Engineering (MetroXRAINE). IEEE, 2024. https://doi.org/10.1109/metroxraine62247.2024.10796344.

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Ravisato, Miriam, Francesca Gaia Bitetto, Tamara Lazic, Michele Gristina, Marco Spoto, and Cataldo Pierri. "Length-Weight Relationships of Two Syngnathid Species from the Mar Piccolo of Taranto, Southern Italian Coast." In 2024 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea). IEEE, 2024. https://doi.org/10.1109/metrosea62823.2024.10765713.

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Potzick, James E. "New certified length scale for microfabrication metrology." In Micromachining and Microfabrication '96, edited by Michael T. Postek, Jr. and Craig R. Friedrich. SPIE, 1996. http://dx.doi.org/10.1117/12.250945.

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Chapman, G. D. "Optical Metrology In Length And Mechanical Standards." In 1986 Quebec Symposium, edited by Chander P. Grover. SPIE, 1986. http://dx.doi.org/10.1117/12.938620.

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Pi, Jiajing, Li-Zhuan Zhao, Jian-Guo Du, and Wei-Guo Shen. "High-precision laser interferometer for length metrology." In Measurement Technology and Intelligent Instruments, edited by Li Zhu. SPIE, 1993. http://dx.doi.org/10.1117/12.156509.

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Zhao, L. P., N. Bai, X. Li, Z. P. Fang, A. A. Hein, and Z. W. Zhong. "Special lenslet array with long focal length range for Shack-Hartmann Wavefront Sensor." In Optical Metrology, edited by Wolfgang Osten, Christophe Gorecki, and Erik L. Novak. SPIE, 2007. http://dx.doi.org/10.1117/12.726043.

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Grossman, Erich. "Focus-variation microscopy for measurement of surface roughness and autocorrelation length." In SPIE Optical Metrology, edited by Peter Lehmann, Wolfgang Osten, and Armando Albertazzi Gonçalves. SPIE, 2017. http://dx.doi.org/10.1117/12.2271863.

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Abolhassani, Mohammad. "Evaluation of focal length of a lens using the Lau effect." In SPIE Optical Metrology, edited by Peter Lehmann, Wolfgang Osten, and Armando Albertazzi Gonçalves. SPIE, 2015. http://dx.doi.org/10.1117/12.2185088.

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