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Relevant bibliographies by topics / Frequency Scanned Interferometry

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Academic literature on the topic 'Frequency Scanned Interferometry'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Frequency Scanned Interferometry"

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Tian-Xiang, C., Y. Hai-Jun, and L. Cheng. "High-precision absolute coordinate measurement using frequency scanned interferometry." Journal of Instrumentation 9, no. 03 (March 3, 2014): P03001. http://dx.doi.org/10.1088/1748-0221/9/03/p03001.

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Yang, Hai-Jun, Jason Deibel, Sven Nyberg, and Keith Riles. "High-precision absolute distance and vibration measurement with frequency scanned interferometry." Applied Optics 44, no. 19 (July 1, 2005): 3937. http://dx.doi.org/10.1364/ao.44.003937.

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Fox-Murphy, A. F., D. F. Howell, R. B. Nickerson, and A. R. Weidberg. "Frequency scanned interferometry (FSI): the basis of a survey system for ATLAS using fast automated remote interferometry." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 383, no. 1 (December 1996): 229–37. http://dx.doi.org/10.1016/s0168-9002(96)00617-1.

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Liu, Qiang, Zhenguo Jing, Ang Li, Yueying Liu, Zhenjie Xia, and Wei Peng. "Simultaneous Measurement of Vibration and Temperature Using Frequency-Scanned Parallel Phase-Shifting Interferometry." Journal of Lightwave Technology 39, no. 12 (June 15, 2021): 4094–100. http://dx.doi.org/10.1109/jlt.2021.3064401.

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Yang, Hai-Jun, Sven Nyberg, and Keith Riles. "High-precision absolute distance measurement using dual-laser frequency scanned interferometry under realistic conditions." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 575, no. 3 (June 2007): 395–401. http://dx.doi.org/10.1016/j.nima.2007.02.101.

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Zhang, Lizheng, and I. Charles Ume. "Application of Experimental and Finite Element Modal Analysis in Development of a Novel Solder Joint Inspection Systems." Journal of Microelectronics and Electronic Packaging 5, no. 3 (July 1, 2008): 97–103. http://dx.doi.org/10.4071/1551-4897-5.3.97.

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Inspection of flip chip solder joints has been a crucial process in the electronics manufacturing industry to reduce manufacturing cost, improve yield, and ensure product quality and reliability. New inspection techniques are urgently needed to fill in the gap between available inspection capabilities and industry requirements of low-cost, fast-speed, and highly reliable inspection systems. The laser ultrasound inspection system under development aims to provide a solution that can overcome some of the limitations of current inspection techniques. This research project is based on laser ultrasound and interferometric techniques. A pulsed laser generates ultrasound on the chip's surface, and the entire chip is excited into structural vibration. An interferometer is used to measure the vibration displacement of the chip's surface at several points, and solder joints with different qualities cause different vibration responses. By analyzing the surface vibration responses, defects in solder joints may be detected and/or classified. In this paper, a broadband laser pulse is used for dynamic excitation of the chip before its vibration signature is analyzed. Experimental modal analysis extracts and estimates the modal information (mode frequencies and mode shapes) from raw vibration signals. Multiple-point surface responses are scanned with an interferometer under repeated laser pulse excitation. Spectral estimation on the raw vibration signals gives dominant-mode frequencies. The corresponding vibrational patterns are obtained by reconstructing the scanned grids using the decomposed signals at each mode frequency. Because we are interested only in the transverse vibration on the chip's surface, and because the chip's length and width are much larger than its thickness, it can be modeled as a rectangular plate with pin supports. Modal analysis by finite element modeling is applied to devices with and without defects. The objectives are to identify the differences of mode frequencies and mode shapes between good chips and chips with defects and to identify measurement points that show maximum difference in the presence and absence of defects.

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Tereshchenko, E. D., R. Yu Yurik, B. Z. Khudukon, M. T. Rietveld, B. Isham, V. Belyey, A. Brekke, T. Hagfors, and M. Grill. "Directional features of the downshifted peak observed in HF-induced stimulated electromagnetic emission spectra obtained using an interferometer." Annales Geophysicae 24, no. 7 (August 9, 2006): 1819–27. http://dx.doi.org/10.5194/angeo-24-1819-2006.

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Abstract. A high frequency (HF) ionospheric modification experiment was carried out between 25 September and 8 October 2004, using the EISCAT HF transmitter located near Tromsø, Norway. During this experiment the spectra of the stimulated HF sideband waves (stimulated electromagnetic emission or SEE) induced by the HF pump were observed using an interferometer consisting of three spaced receiving antennas with baselines both along and perpendicular to the meridian, and a multi-channel coherent receiver, installed in the vicinity of the HF facility. The transmitter operated at 4040kHz and its antenna beam was scanned to angles of 0°, 7°, 14°, and 21° south from vertical, pausing 4min at each position. This paper focuses on features of the downshifted peak (DP) emission, which has not been as thoroughly studied as many of the other SEE spectral features observable within the EISCAT pump frequency range. It was found that the signal-weighted direction of the DP source region remained within 5° of magnetic zenith as the HF beam was tilted between 0 and 21° south of vertical.

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Zamanzadeh, Mohammadreza, and Saber Azizi. "Static and dynamic characterization of micro-electro-mechanical system repulsive force actuators." Journal of Vibration and Control 26, no. 13-14 (December 27, 2019): 1216–31. http://dx.doi.org/10.1177/1077546319892131.

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This paper presents the static and dynamic response characterization of an electrostatic micro-electro-mechanical system mirror driven by repulsive force. The experimental analysis of the static response in different seasons of the year indicates that the capillary force caused by the thin layer of water underneath the mirror is the dominant factor for variation in the lifting threshold of the applied voltage. Dynamic characterization of the mirror reveals a large natural frequency of 2.6 kHz at the increasing rate of 8 Hz/V, indicating a four-fold increase compared to a previous design. This high natural frequency with an almost linear increase is desired for fast speed scanners and interferometers with high tunability benefited from the simplified signal processing circuit. Since the amplitude of the repulsive force micro-structure is no longer restricted to any geometrical limitation, the non-dimensionalizing parameters are chosen so that the nonlinear terms are small enough in order that the perturbation method is applicable in the vicinity of both primary and principal parametric resonances. The analytical analysis shows the way for inserting a bookkeeping parameter in a simple manner based on the evaluation of the magnitude of order in which the pre-assumed value is further validated by experimental results. The results of our investigations can be used to analytically evaluate the static and dynamic behavior of the system and have important applications in the design of various devices such as filters, interferometers, and switches.

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Ojeda-Castaneda, Jorge, Cristina M. Gómez-Sarabia, Miguel Torres-Cisneros, Luis M. Ledesma-Carrillo, Rafael Guzmán-Cabrera, and Cipriano Guzmán-Cano. "Tunable sinusoidal Phase Gratings and sinusoidal Phase Zone Plates." Photonics Letters of Poland 9, no. 2 (July 1, 2017): 57. http://dx.doi.org/10.4302/plp.v9i2.729.

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We disclose the use of a suitable pair of phase-only masks for generating sinusoidal phase gratings, or sinusoidal phase zone plates, with tunable optical path delays. We show that these gratings can have either 1-D structure or a 2-D radial structure. Full Text: PDF ReferencesB. Berge and J. Peseux, "Variable focal lens controlled by an external voltage: An application of electrowetting", Eur. Phys. J. E 3, 159-163 (2000). CrossRef H. W. Ren, Y. H. Fan, S. Gauza, and S. T. Wu, "Tunable-focus flat liquid crystal spherical lens", Appl. Phys. Lett. 84, 4789-4791 (2004). CrossRef T. Martinez, D. V. Wick, D. M. Payne, J. T. Baker, and S. R. Restaino, "Non-mechanical zoom system", Proc. SPIE 5234, 375-378 (2004). CrossRef D. Y. Zhang, N. Justis, and Y. H. Lo, "Fluidic adaptive zoom lens with high zoom ratio and widely tunable field of view", Opt. Commun. 249, 175-182 (2005). CrossRef B. H. W. Hendriks, S. Kuiper, M. A. J. Van As, C. A. Renders and T. W. Tukker, "Electrowetting-Based Variable-Focus Lens for Miniature Systems", Opt. Rev. 12, 255-259 (2005). CrossRef M. Duocastella and C. B. Arnold, "Enhanced depth of field laser processing using an ultra-high-speed axial scanner", Appl. Phys. Lett. 102, 06113-1--06113-3 (2013). CrossRef Jorge Ojeda-Casta-eda, José Enrique A. Landgrave and Cristina M. Gómez-Sarabia, "Conjugate phase plate use in analysis of the frequency response of imaging systems designed for extended depth of field", Appl. Opt. 47, E99 (2008). CrossRef A.W. Lohmann, British Patent 998, 191 (May 29, 1964).A.W. Lohmann, Republic Française 1, 398, 351 (June 10, 1964).A.W. Lohmann, Italy Patent 727, 848 (June 19, 1964).A.W Lohmann, "A New Class of Varifocal Lenses", Appl. Opt. 9, 1669 (1970). CrossRef L.W. Alvarez, U.S. patent 3,305,294 (21 February 1967).L.W. Alvarez , W. E. Humphrey, U.S. patent 3,507,565 (21 April, 1970).L.W. Alvarez, J. Am. Optometric Assoc. 49, 24 (1978).S. Bernet and M. Ritsch-Marte, U.S. patent application 20100134869 A1 (June 3, 2010).Jorge Ojeda-Castaneda, S. Ledesma, and C. M. Gómez-Sarabia, "Tunable apodizers and tunable focalizers using helical pairs", Phot. Lett. Poland 5, 20 (2013). CrossRef J. Ojeda-Casta-eda, C. M. Gómez-Sarabia, and S. Ledesma, "Novel free-form optical pairs for tunable focalizers", J. Opt. 43, 85 (2014). CrossRef J. Ojeda-Castaneda, A. L. Barragán-Chávez, and C. M. Gómez-Sarabia, "Aberration generators in tandem", Phot. Lett. Poland 7, 8 (2015). CrossRef Adolf W. Lohmann and Donald A. Silva, "An interferometer based on the Talbot effect", Optics Comm. 2, 413 (1971). CrossRef S. Yokozeki and T. Suzuki, "Shearing Interferometer Using the Grating as the Beam Splitter", Appl. Opt. 10, 1575 (1971). CrossRef Jason Geng, "Structured-light 3D surface imaging: a tutorial", Adv. Opt. Phot. 3, 128 (2011). CrossRef Jorge Ibarra and J. Ojeda-Casta-eda, "Talbot interferometry: a new geometry", Opt. Commun. 96, 294 (1993). CrossRef J. Ojeda-Castaneda, C.M. Gómez-Sarabia, S. Ledesma, "Novel zoom systems using a vortex pair", Asian J. Phys. 23, 415 (2014). DirectLink J. Ojeda-Castaneda, C.M. Gómez-Sarabia, S. Ledesma, Asian J. Phys. 23, 535 (2014). DirectLink J. Ojeda-Casta-eda and Cristina M. Gómez-Sarabia, "Nonconventional optical systems using varifocal lenses", Phot. Lett. Poland 7, 14 (2015). CrossRef

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Artese, Serena, and Giovanni Nico. "TLS and GB-RAR Measurements of Vibration Frequencies and Oscillation Amplitudes of Tall Structures: An Application to Wind Towers." Applied Sciences 10, no. 7 (March 25, 2020): 2237. http://dx.doi.org/10.3390/app10072237.

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This article presents a methodology for the monitoring of tall structures based on the joint use of a terrestrial laser scanner (TLS), configured in line scanner mode, and a ground-based real aperture radar (GB-RAR) interferometer. The methodology provides both natural frequencies and oscillation amplitudes of tall structures. Acquisitions of the surface of the tall structure are performed by the TLS with a high sampling rate: each line scan provides an instantaneous longitudinal section. By interpolating the points of each line, oscillation profiles are estimated with a much better precision than each single point. The amplitude and frequency of the main oscillation mode of the whole structure are derived from the TLS profiles. GB-RAR measurements are used to measure the vibration frequencies of higher oscillation modes which are not caught by the TLS due its lower precision in the measurement of displacements. In contrast, the high spatial resolution of TLS measurements provides an accurate description of oscillation amplitude along the tower, which cannot be caught by the GB-RAR, due to its poorer spatial resolution. TLS and GB-RAR acquisitions are simultaneous. The comparison with the analytical solution for oscillation modes demonstrates that the proposed methodology can provide useful information for structural health monitoring (SHM). The methodology does not require the use of targets on the structure and it can be applied during its normal use, even in presence of dynamic loads (wind, traffic vibrations, etc.). A test was carried out on a wind tower where the synergistic use of TLS and GB-RAR made it possible to fully describe the spectral properties of the tower and at the same time measure the amplitude of the first oscillation mode along the tower with a high spatial resolution.

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Dissertations / Theses on the topic "Frequency Scanned Interferometry"

1

Fox-Murphy, Adrian Francis. "Development of a novel alignment system for the ATLAS Inner Detector and an investigation of the effect of alignment inaccuracies on tracker performance." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360255.

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Conference papers on the topic "Frequency Scanned Interferometry"

1

Zhang, Shuai, Liangen Yang, Xuanze Wang, Zhongsheng Zhai, and Wenchao Liu. "A high-accuracy signal processing algorithm for frequency scanned interferometry." In Sixth International Symposium on Precision Mechanical Measurements, edited by Shenghua Ye and Yetai Fei. SPIE, 2013. http://dx.doi.org/10.1117/12.2035708.

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Peca, Marek, Pavel Psota, Petr Vojtíšek, and Vít Lédl. "Absolute and relative surface profile interferometry using multiple frequency-scanned lasers." In Optics and Measurement 2016 International Conference, edited by Jana Kovacicinova. SPIE, 2016. http://dx.doi.org/10.1117/12.2263656.

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