Готові списки джерел за темами / Optical head

Добірка наукової літератури з теми "Optical head"

Автор: Grafiati
Опубліковано: 30 травня 2022
Оновлено: 31 травня 2022

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Статті в журналах з теми "Optical head"

1

Takahashi, Akira. "Optical head." Journal of the Acoustical Society of America 87, no. 1 (January 1990): 474. http://dx.doi.org/10.1121/1.398962.

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2

OSATO, Kiyoshi. "Optical head technique." Journal of the Japan Society for Precision Engineering 54, no. 12 (1988): 2225–28. http://dx.doi.org/10.2493/jjspe.54.2225.

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3

Kubota, Keiichi, and Yuzo Ono. "Advances in magnetic and optical recording. 3. Optical head and media. 1. Optical head." Journal of the Institute of Television Engineers of Japan 42, no. 4 (1988): 314–22. http://dx.doi.org/10.3169/itej1978.42.314.

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4

Weller-Brophy, Laura A., Brian J. J. Zelinski, and Dunbar P. Birnie. "Materials Challenges in Integrated Optical Recording Heads." MRS Bulletin 15, no. 4 (April 1990): 25–30. http://dx.doi.org/10.1557/s0883769400059923.

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Анотація:
Integrated optical recording head concepts show promise for future light-weight and compact optical heads. Several fundamental issues remain to be explored before fully integrated optical heads. become a reality. This article reviews the basic operating principles of integrated optic heads, focusing on the materials challenges inherent in developing both partially and fully integrated optical heads.Currently available optical mass storage systems provide a feature unavailable in magnetic direct access storage devices (DASD) — removable and interchangeable media. At present, however, this feature is bought at a price, with magnetic storage devices currently outperforming their optical counterparts in access speed and volumetric storage density. The access time of optical drives is greater than 40 ms, compared to the 10–20 ms typical of magnetic DASD. This is, in large part, a consequence of the 50–100 g moving mass of the optical head. The optical head also limits the maximum volumetric storage density, with current heads ranging from about 0.5 cm to more than 2 cm in height.
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5

Yang, Jiaping, Xiling Yao, Yuxin Cai, and Guijun Bi. "Multiphysics Modeling, Sensitivity Analysis, and Optical Performance Optimization for Optical Laser Head in Additive Manufacturing." Applied Sciences 11, no. 2 (January 19, 2021): 868. http://dx.doi.org/10.3390/app11020868.

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Optical laser head is a key component used to shape the laser beam and to deliver higher power laser irradiation onto workpieces for material processing. A focused laser beam size and optical intensity need to be controlled to avoid decreasing beam quality and loss of intensity in laser material processing. This paper reports the multiphysics modeling of an in-house developed laser head for laser-aided additive manufacturing (LAAM) applications. The design of computer experiments (DoCE) combined with the response surface model was used as an efficient design approach to optimize the optical performance of a high power LAAM head. A coupled structural-thermal-optical-performance (STOP) model was developed to evaluate the influence of thermal effects on the optical performance. A number of experiments with different laser powers, laser beam focal plane positions, and environmental settings were designed and simulated using the STOP model for sensitivity analysis. The response models of the optical performance were constructed using DoCE and regression analysis. Based on the response models, optimal design settings were predicted and validated with the simulations. The results show that the proposed design approach is effective in obtaining optimal solutions for optical performance of the laser head in LAAM.
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6

MAEDA, Takeshi. "Positioning technology of optical head." Journal of the Japan Society for Precision Engineering 54, no. 12 (1988): 2229–32. http://dx.doi.org/10.2493/jjspe.54.2229.

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7

Yasukawa, K., S. Yamaguchi, A. Murakami, H. Goto, N. Nishimura, and K. Ueyanagi. "A New Flying Optical Head." Japanese Journal of Applied Physics 28, S3 (January 1, 1989): 205. http://dx.doi.org/10.7567/jjaps.28s3.205.

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8

Ota, Osamu. "Optical Recording; Super-Resolution Optical Head and High Density Optical Disc." Journal of the Institute of Television Engineers of Japan 48, no. 5 (1994): 557–60. http://dx.doi.org/10.3169/itej1978.48.557.

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9

Kim, Jin-Hong. "Head–disk interface problems in first-surface near-field optical recording with flying optical head." Current Applied Physics 8, no. 5 (August 2008): 577–82. http://dx.doi.org/10.1016/j.cap.2007.08.007.

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10

Minami, K., H. Yamamoto, A. Yoshimoto, Y. Yoshida, and Y. Kurata. "OPTICAL WAVEGUIDE DEVICE FOR A MAGNETO-OPTICAL DISK HEAD." Journal of the Magnetics Society of Japan 22, S_2_MORIS_97 (1998): S2_163–166. http://dx.doi.org/10.3379/jmsjmag.22.s2_163.

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Дисертації з теми "Optical head"

1

Ma, Jiantao. "Optical design for a head-mounted display." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=56799.

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Анотація:
This thesis reports on the design of an optical relay for use in a color, stereo Head-Mounted Display (HMD) system.
Based on reviews and discussions of the requirements of the human visual system, major factors affecting the visual acuity, the aberration tolerances of the human eye, and optical design limitations, we derive the design criteria for the optical relay. A survey of alternate approaches to the three components of HMDs is presented.
A brief review of first order optics, aberration theory, general design principles, and computer aided lens design is also given.
Two multi-spherical lens systems, a straight structure and a folded layout, are presented. Their aberrations (distortion, coma, lateral color, field curvature and astigmatism) have been well corrected. Each of them has a 20 mm eye relief and an instantaneous field-of-view greater than 60$ sp circ.$
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2

Partow, Sepehr 1965. "An extended cavity, self focussing laser optical head." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/291342.

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A feasibility study of an "Extended Cavity, Self Focussing Laser Optical Head" for optical data storage applications is presented. A general description of the proposed device is discussed followed by a prediction of its dynamic operation. This is verified by a one dimensional computer model, simulating dynamic laser head behavior. Transient laser phenomena such as longitudinal mode competition and laser frequency modulation are investigated as applicable to the device operation. The self-focussing concept is confirmed by the passive cavity experiment and a geometrical computer model of the cold cavity (i.e. no gain medium).
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3

Kondreddy, Mahendra. "Image Recognition Techniques for Optical Head Mounted Displays." Master's thesis, Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-218600.

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Анотація:
The evolution of technology has led the research into new emerging wearable devices such as the Smart Glasses. This technology provides with new visualization techniques. Augmented Reality is an advanced technology that could significantly ease the execution of much complex operations. Augmented Reality is a combination of both Virtual and Actual Reality, making accessible to the user new tools to safeguard in the transfer of knowledge in several environments and for several processes. This thesis explores the development of an android based image recognition application. The feature point detectors and descriptors are used as they can deal great with the correspondence problems. The selection of best image recognition technique on the smart glasses is chosen based on the time taken to retrieve the results and the amount of power consumed in the process. As the smart glasses are equipped with the limited resources, the selected approach should use low computation on it by making the device operations uninterruptable. The effective and efficient method for detection and recognition of the safety signs from images is selected. The ubiquitous SIFT and SURF feature detectors consume more time and are computationally complex and require very high-level hardware components for processing. The binary descriptors are taken into account as they are light weight and can support low power devices in a much effective style. A comparative analysis is being done on the working of binary descriptors like BRIEF, ORB, AKAZE, FREAK, etc., on the smart glasses based on their performance and the requirements. ORB is the most efficient among the binary descriptors and has been more effective for the smart glasses in terms of time measurements and low power consumption.
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4

Branco, Gilberto. "The development and evaluation of head probes for optical imaging of the infant head." Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1446225/.

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The objective of this thesis was to develop and evaluate optical imaging probes for mapping oxygenation and haemodynamic changes in the newborn infant brain. Two imaging approaches are being developed at University College London (UCL): optical topography (surface mapping of the cortex) and optical tomography (volume imaging). Both have the potential to provide information about the function of the normal brain and about a variety of neurophysiologies! abnormalities. Both techniques require an array of optical fibres/fibre bundles to be held in contact with the head, for periods of time from tens of seconds to an hour or more. The design of suitable probes must ensure the comfort and safety of the subject, and provide measurements minimally sensitive to external sources of light and patient motion. A series of prototype adaptable helmets were developed for optical tomography of the premature infant brain using the UCL 32-channel time-resolved system. They were required to attach 32 optical fibre bundles over the infant scalp, and were designed to accommodate infants with a variety of head shapes and sizes, aged between 24-weeks gestational age and term. Continual improvements to the helmet design were introduced following the evaluation of each prototype on infants in the hospital. Data were acquired to generate images revealing the concentration and oxygenation of blood in the brain, and the response of the brain to sensory stimulation. This part of the project also involved designing and testing new methods of acquiring calibration data using reference phantoms. The second focus of the project was the development of probes for use with the UCL frequency-multiplexed near-infrared topography system. This is being used to image functional activation in the infant cortex. A series of probes were developed and experiments were conducted to evaluate their sensitivity to patient motion and to compression of the probe. The probes have been used for a variety of functional activation studies.
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5

Bushroe, Frederick Nicholas 1964. "An optical head for a magneto-optic disk test system." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277154.

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Анотація:
Design and operation of modular optical head for a magneto-optic test system are described. Alternate solutions to design problems are discussed. A 30mW semiconductor laser with an integrated 250MHz oscillator is selected. The oscillator is used to modulate laser read current for a reduction in laser feedback noise. A collimating lens with an appropriate focal length is chosen so the beam's truncation at the objective yields the maximum write power density. Astigmatism associated with the laser diode is reduced to 0.125 waves by defocusing the collimating lens and circularizing with an anamorphic prism pair. Head components are aligned within several minutes of arc by using alignment apertures and an autocollimator. Aberrations due to tilt between the disk and beam are examined and coma is found to be the major contributor.
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6

Cakmakci, Ozan. "MESHFREE APPROXIMATION METHODS FOR FREE-FORM OPTICAL SURFACES WITH APPLICATIONS TO HEAD-WORN DISPLAYS." Doctoral diss., University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3420.

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Compact and lightweight optical designs achieving acceptable image quality, field of view, eye clearance, eyebox size, operating across the visible spectrum, are the key to the success of next generation head-worn displays. The first part of this thesis reports on the design, fabrication, and analysis of off-axis magnifier designs. The first design is catadioptric and consists of two elements. The lens utilizes a diffractive optical element and the mirror has a free-form surface described with an x-y polynomial. A comparison of color correction between doublets and single layer diffractive optical elements in an eyepiece as a function of eye clearance is provided to justify the use of a diffractive optical element. The dual-element design has an 8 mm diameter eyebox, 15 mm eye clearance, 20 degree diagonal full field, and is designed to operate across the visible spectrum between 450-650 nm. 20% MTF at the Nyquist frequency with less than 3% distortion has been achieved in the dual-element head-worn display. An ideal solution for a head-worn display would be a single free-form surface mirror design. A single surface mirror does not have dispersion; therefore, color correction is not required. A single surface mirror can be made see-through by machining the appropriate surface shape on the opposite side to form a zero power shell. The second design consists of a single off-axis free-form mirror described with an x-y polynomial, which achieves a 3 mm diameter exit pupil, 15 mm eye relief, and a 24 degree diagonal full field of view. The second design achieves 10% MTF at the Nyquist frequency set by the pixel spacing of the VGA microdisplay with less than 3% distortion. Both designs have been fabricated using diamond turning techniques. Finally, this thesis addresses the question of what is the optimal surface shape for a single mirror constrained in an off-axis magnifier configuration with multiple fields? Typical optical surfaces implemented in raytrace codes today are functions mapping two dimensional vectors to real numbers. The majority of optical designs to-date have relied on conic sections and polynomials as the functions of choice. The choice of conic sections is justified since conic sections are stigmatic surfaces under certain imaging geometries. The choice of polynomials from the point of view of surface description can be challenged. A polynomial surface description may link a designer s understanding of the wavefront aberrations and the surface description. The limitations of using multivariate polynomials are described by a theorem due to Mairhuber and Curtis from approximation theory. This thesis proposes and applies radial basis functions to represent free-form optical surfaces as an alternative to multivariate polynomials. We compare the polynomial descriptions to radial basis functions using the MTF criteria. The benefits of using radial basis functions for surface description are summarized in the context of specific head-worn displays. The benefits include, for example, the performance increase measured by the MTF, or the ability to increase the field of view or pupil size. Even though Zernike polynomials are a complete and orthogonal set of basis over the unit circle and they can be orthogonalized for rectangular or hexagonal pupils using Gram-Schmidt, taking practical considerations into account, such as optimization time and the maximum number of variables available in current raytrace codes, for the specific case of the single off-axis magnifier with a 3 mm pupil, 15 mm eye relief, 24 degree diagonal full field of view, we found the Gaussian radial basis functions to yield a 20% gain in the average MTF at 17 field points compared to a Zernike (using 66 terms) and an x-y polynomial up to and including 10th order. The linear combination of radial basis function representation is not limited to circular apertures. Visualization tools such as field map plots provided by nodal aberration theory have been applied during the analysis of the off-axis systems discussed in this thesis. Full-field displays are used to establish node locations within the field of view for the dual-element head-worn display. The judicious separation of the nodes along the x-direction in the field of view results in well-behaved MTF plots. This is in contrast to an expectation of achieving better performance through restoring symmetry via collapsing the nodes to yield field-quadratic astigmatism.
Ph.D.
Optics and Photonics
Optics and Photonics
Optics PhD
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7

Strouthidis, N. G. "Three-dimensional optical coherence tomography imaging of the optic nerve head." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1344086/.

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Background: the primary site of injury in glaucoma is likely to be at the lamina cribrosa (LC), deep within the optic nerve head (ONH). Optical coherence tomography (OCT) in glaucoma has, to date, focused on the detection of nerve fibre loss. Spectral domain OCT (SDOCT) has improved speed and axial resolution, allowing acquisition of three-dimensional ONH volumes and may capture targets deep within the ONH. This thesis explores the capabilities and potential of deep SDOCT imaging in the monkey ONH. Plan of research: an investigation was conducted into the detection of key landmarks that would be necessary for future quantification strategies. In particular, detection of the neural canal opening (NCO) was assessed and how the NCO relates to what is clinically identified as the disc margin. The next phase involved clarifying the anatomical and histological basis of ONH structures observed within SDCOT volumes, by comparison with histological sections and disc photographs. Finally, quantification strategies for novel parameters based on deep targets were developed and used to detect chronic longitudinal changes in experimental glaucoma and acute changes following IOP manipulation. Results: SDOCT reliably detects the NCO, which can be used as an anchoring structure for reference planes. Usually the NCO equates to the disc margin but disc margin architecture can be complex and highly variable. SDOCT captures the prelaminar tissue and anterior LC surface. Prelaminar thinning and posterior LC displacement were both detected longitudinally in experimental glaucoma. Prelaminar thinning was observed with acute IOP elevation; posterior LC movement was rare. Significance: deep ONH structures, including the LC, are realistic targets for clinical imaging. These imaging targets may be useful in the detection of glaucoma progression and in the verification of ex-vivo models of ONH biomechanical behaviour.
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8

Hamadouche, I. (Ilyas). "Augmented reality X-ray vision on optical see-through head mounted displays." Master's thesis, University of Oulu, 2018. http://jultika.oulu.fi/Record/nbnfioulu-201806062540.

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Abstract. In this thesis, we present the development and evaluation of an augmented reality X-ray system on optical see-through head-mounted displays. Augmented reality X-ray vision allows users to see through solid surfaces such as walls and facades, by augmenting the real view with virtual images representing the hidden objects. Our system is developed based on the optical see-through mixed reality headset Microsoft Hololens. We have developed an X-ray cutout algorithm that uses the geometric data of the environment and enables seeing through surfaces. We have developed four different visualizations as well based on the algorithm. The first visualization renders simply the X-ray cutout without displaying any information about the occluding surface. The other three visualizations display features extracted from the occluder surface to help the user to get better depth perception of the virtual objects. We have used Sobel edge detection to extract the information. The three visualizations differ in the way to render the extracted features. A subjective experiment is conducted to test and evaluate the visualizations and to compare them with each other. The experiment consists of two parts; depth estimation task and a questionnaire. Both the experiment and its results are presented in the thesis.
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9

Šeda, Jan. "Detekce optického disku ve snímcích optické koherentní tomografie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220025.

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The main target of this work is a design of the program for border localization of the optic disc in OCT data. Part of this program is also localization of the „optic cup“ and calculation of several values that characterize optic disc. The work is also dealing with a description of the optical coherence tomography principle which is used in ophthalmology. One chapter describes some published methods of optic cup localization. Success of the program and its comparison with OCT Zeiss Stratus 3000 is evaluated at the end of the work.
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10

Hu, Xinda. "Development Of The Depth-Fused Multi-Focal-Plane Display Technology." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/338957.

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Conventional stereoscopic displays present a pair of stereoscopic images on a single and fixed image plane. In consequence, these displays lack the capability of correctly rendering focus cues (i.e. accommodation and retinal blur) and may induce the discrepancy between accommodation and convergence. A number of visual artifacts associated with incorrect focus cues in stereoscopic displays have been reported, limiting the applicability of these displays for demanding applications and daily usage. Depth-fused multi-focal-plane display was proposed to create a fixed-viewpoint volumetric display capable of rendering correct or nearly-correct focus cues in a stereoscopic display through a small number of discretely placed focal planes. It effectively addresses the negative effects of conventional stereoscopic displays on depth perception accuracy and visual fatigue. In this dissertation, the fundamental design methods and considerations of depth-fused displays were refined and extended based on previous works and a high-resolution optical see-through multi-focal-plane head-mounted display enabled by state-of-the-art freeform optics was developed. The prototype system is capable of rendering nearly-correct focus cues for a large volume of 3D space extending into a depth range from 0 to 3 diopters at flicker-free speed. By incorporating freeform optics, the prototype not only achieves high quality imagery across a large 3D volume for the virtual display path but it also maintains better than 0.5 arcminutes visual resolution of the see-through view. The optical design, implementation and experimental validation of the display are presented and discussed in detail.
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Книги з теми "Optical head"

1

Melzer, James E. Head-mounted displays: Designing for the user. New York: McGraw-Hill, 1997.

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2

IEEE Workshop on Content-Based Access of Image and Video Libraries (2000 Hilton Head Island, S.C.). Proceedings, IEEE Workshop on Content-Based Access of Image and Video Libraries, Hilton Head Island, South Carolina, June 12, 2000. Los Alamitos, Calif: IEEE Computer Society, 2000.

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3

European Conference on Optics, Optical Systems and Applications (1990 Rome, Italy). ECOOSA 90--quantum optics: Proceedings of the European Conference on Optics, Optical Systems and Applications held in Rome, Italy, 7-9 November 1990. Bristol: Institute of Physics, 1991.

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4

D, Smith S., Miller A, Wherrett Brian S, and Royal Society (Great Britain), eds. Optical bistability, dynamical nonlinearity, and photonic logic: Proceedings of a Royal Society discussion meeting held on 21 and 22 March, 1984. London: The Society, 1985.

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5

Far, A. Mahlooji. Towards a hand-held optical ellipsometr. Manchester: UMIST, 1996.

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6

1940-, Feichtinger Gustav, ed. Dynamic economic models and optimal control: Fourth Viennese Workshop on Dynamic Economic Models and Optical [i.e. Optimal] Control, held in Vienna, June 12-14, 1991. Amsterdam: North-Holland, 1992.

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7

Phetteplace, Gary E. Optimal design of piping systems for district heating. [Hanover, N.H.]: U.S. Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.

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8

Baumeister, Joseph F. Relationship of optical coating on thermal radiation characteristics of nonisothermal cylindrical enclosures. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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9

Institute of Physics (Great Britain). Applied Optics Division. Divisional Conference. Applied optics and optoelectronics, 1996: Proceedings of the Applied Optics Divisional Conference of the Institute of Physics, held at Reading, 16-19 September 1996. Bristol, UK: Institute of Physics Pub., 1996.

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10

V, Grattan K. T., ed. Applied optics and optoelectronics 1998: Proceedings of the Applied Optics Divisional Conference of the Institute of Physics, held at Brighton, 16-19 March 1998. Bristol: Institute of Physics Pub., 1998.

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Частини книг з теми "Optical head"

1

Weik, Martin H. "optical reading head." In Computer Science and Communications Dictionary, 1184. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_13127.

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2

Hodgson, Norman, and Horst Weber. "Measurement of Laser Head Parameters." In Optical Resonators, 583–604. London: Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-3595-1_23.

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3

Redfield, S. "Tamarack Optical Head Holographic Storage." In Holographic Data Storage, 343–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-540-47864-5_22.

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4

Jameel, Muzaffar, and Jonathan M. Fishman. "Optical Coherence Tomography." In Scott-Brown’s Otorhinolaryngology Head and Neck Surgery, 533–39. Eighth edition. | Boca Raton : CRC Press, [2018] | Preceded by Scott-Brown’s otorhinolaryngology, head and neck surgery.: CRC Press, 2018. http://dx.doi.org/10.1201/9780203731031-47.

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5

Hayford, Michael J., and Ozan Cakmakci. "Optical Components for Head-Worn Displays." In Handbook of Visual Display Technology, 1–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35947-7_136-2.

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6

Cakmakci, Ozan, and Michael J. Hayford. "Optical Components for Head-Worn Displays." In Handbook of Visual Display Technology, 2183–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-79567-4_136.

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7

Hayford, Michael J., and Ozan Cakmakci. "Optical Components for Head-Worn Displays." In Handbook of Visual Display Technology, 2977–89. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-14346-0_136.

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8

Matsumoto, Takuya. "Near-Field Optical Head Technology for High-Density, Near-Field Optical Recording." In Handbook of Nano-Optics and Nanophotonics, 367–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-31066-9_10.

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Sciammarella, C. A., F. M. Sciammarella, L. Lamberti, and M. Styrcula. "Optical Head as a Gauge Device in Manufacturing." In Conference Proceedings of the Society for Experimental Mechanics Series, 165–72. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4235-6_23.

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10

Herzog, Artemas, Kim L. Boyer, and Cynthia Roberts. "Robust Extraction of the Optic Nerve Head in Optical Coherence Tomography." In Lecture Notes in Computer Science, 395–407. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-27816-0_34.

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Тези доповідей конференцій з теми "Optical head"

1

Yang, K. Y., S. W. Noh, E. J. Kim, T. W. Kim, JieWeo Kim, and Tae-Kyung Yoo. "Holographic optical head." In Optical Data Storage '94, edited by David K. Campbell, Martin Chen, and Koichi Ogawa. SPIE, 1994. http://dx.doi.org/10.1117/12.190194.

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2

Seigler, Michael A., William A. Challener, Edward Gage, Nils Gokemeijer, Bin Lu, Kalman Pelhos, Chubing Peng, et al. "Heat assisted magnetic recording with a fully integrated recording head." In Optical Data Storage 2007, edited by Bernard Bell and Takeshi Shimano. SPIE, 2007. http://dx.doi.org/10.1117/12.738903.

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3

Hamada, K., S. Arai, T. Iwamoto, and K. Ogawa. "Two-Beam Optical Head." In 30th Annual Technical Symposium, edited by Robert P. Freese, Albert A. Jamberdino, and Maarten R. de Haan. SPIE, 1987. http://dx.doi.org/10.1117/12.936835.

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4

Pei, Jing, Duanyi Xu, Longfa Pan, and Hao Yuan. "Fully separated optical head." In Optical Storage: Third International Symposium, edited by Fuxi Gan. SPIE, 1993. http://dx.doi.org/10.1117/12.150661.

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5

Futamata, Akio, Masaharu Moritsugu, Fumitaka Abe, and Koichi Ogawa. "Optimization of magneto-optic head." In Optical Data Storage, edited by Donald B. Carlin and David B. Kay. SPIE, 1990. http://dx.doi.org/10.1117/12.22005.

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6

Lim, Dong-Soo, and Young-Joo Kim. "Light Delivery for the Heat Assisted Magnetic Recording (HAMR) Head with Grating Structure." In Optical Data Storage. Washington, D.C.: OSA, 2007. http://dx.doi.org/10.1364/ods.2007.md4.

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7

Klattenhoff, Reiner, Ervin Kolenovic, Wolfgang Osten, Christoph von Kopylow, and Werner P. O. Jueptner. "Miniaturized sensor head for distal holographic endoscopy." In Optical Metrology, edited by Christophe Gorecki. SPIE, 2003. http://dx.doi.org/10.1117/12.500404.

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Ih, Charles S., Rongsheng Tian, Bin Zheng, and K. Q. Lu. "The reality of holographic optical head." In Optical Data Storage, edited by Donald B. Carlin and David B. Kay. SPIE, 1990. http://dx.doi.org/10.1117/12.22012.

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Ih, C. S., L. Q. Xiang, B. H. Zhuang, C. W. Yang, K. Q. Lu, R. S. Tian, and Z. M. Wang. "Optical Head Design Using HOE's." In OE/LASE '89, edited by Ivan Cindrich and Sing H. Lee. SPIE, 1989. http://dx.doi.org/10.1117/12.951503.

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Atashkhooei, R., U. Zabit, S. Royo, T. Bosch, and F. Bony. "Adaptive optical head for industrial vibrometry applications." In SPIE Optical Metrology, edited by Peter H. Lehmann, Wolfgang Osten, and Kay Gastinger. SPIE, 2011. http://dx.doi.org/10.1117/12.890053.

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Звіти організацій з теми "Optical head"

1

Lowell, E., O. Schmidt, F. Batysta, I. Tamer, and T. Spinka. Towards optimal gas cooling with minimal aero-optical distortion for a laser amplifier head. Office of Scientific and Technical Information (OSTI), January 2022. http://dx.doi.org/10.2172/1844498.

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2

Sedillo, Michael R., David L. Harris, and Douglas L. Franck. Chasing the Sun - The In-Flight Evaluation of an Optical Head Tracker. Fort Belvoir, VA: Defense Technical Information Center, March 2006. http://dx.doi.org/10.21236/ada457590.

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3

Ozbek, Metin, Cy Yavuzturk, and George Pinder. Optimal Ground Source Heat Pump System Design. Office of Scientific and Technical Information (OSTI), April 2015. http://dx.doi.org/10.2172/1312959.

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4

Lahiri, Amartya, Rajesh Singh, and Carlos Vegh. Optimal exchange rate regimes: Turning Mundell-Fleming's dictum on its head. Cambridge, MA: National Bureau of Economic Research, November 2006. http://dx.doi.org/10.3386/w12684.

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5

Lyons, Parker, and Blake Lance. Optimal Header Design for Diffusion Bonded Heat Exchangers. Office of Scientific and Technical Information (OSTI), January 2021. http://dx.doi.org/10.2172/1765270.

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6

VerMeulen, Holly, Jay Clausen, Ashley Mossell, Michael Morgan, Komi Messan, and Samuel Beal. Application of laser induced breakdown spectroscopy (LIBS) for environmental, chemical, and biological sensing. Engineer Research and Development Center (U.S.), June 2021. http://dx.doi.org/10.21079/11681/40986.

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Анотація:
The Army is interested in sensors capable of characterizing/monitoring the environment (battlefield or military training ranges) at proximal distances. Recently, we evaluated laser induced breakdown spectroscopy (LIBS) systems (hand-held, proximal, and bench top) for the characterization of metals (antimony, copper, lead, tungsten, and zinc) in soils obtained from military training ranges. We then compared the results to findings obtained with standard field and laboratory instrumentation for metals analysis -X-ray Fluorescence (XRF) and Inductively Couple Plasma- Optical Emission Spectroscopy (ICP-OES).
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7

Mackenzie, John D., and Donald R. Ulrich. Sol-Gel Optics: Proceedings SPIE-The International Society for Optical Engineering Held in San Diego, California on 11-13 July 1990. Volume 1328. Fort Belvoir, VA: Defense Technical Information Center, March 1992. http://dx.doi.org/10.21236/ada249986.

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8

Emelyanov, I. I., N. N. Ziyatdinov, and T. V. Lapteva. Method of calculating optimal economic estimates for heat exchange of technological streams during heat and energy integration using heat pumps. OFERNIO, December 2020. http://dx.doi.org/10.12731/ofernio.2020.24739.

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9

Zhao, Binghao, Yu Wang, and Wenbin Ma. Comparative Efficacy and Safety of Therapeutics for Elderly Glioblastoma: a Bayesian Network Analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, March 2022. http://dx.doi.org/10.37766/inplasy2022.3.0094.

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Анотація:
Review question / Objective: At this time, a comprehensive systematic review and network meta-analysis (NMA) was conducted to: (1) fill the research gap by giving rankings on treatment efficacy; (2) provide statistical evidence of not head-to-head comparisons; (3) seek out the best and up-to-date therapeutic strategy reported in latest RCTs; (4) address potential adverse events (AEs) of available treatments. Condition being studied: The incidence of glioblastoma (GBM) increases with age, until now, there has been less evidence on the optimal treatments for elderly GBM since only general GBM populations were included in clinical trials. Given the poor survival of elderly GBM, we collected randomized controlled trials about newly diagnosed GBM (ndGBM) and recurrent GBM, and conducted a Bayesian network meta-analysis on ndGBM regarding overall survival (OS) and progression-free survival (PFS). We revealed TTF + TMZ and TMZ + HFRT were likely to be best treatments for OS; BEV + HFRT and TMZ + HFRT were likely to be best options for PFS. Current study is the most comprehensive and powered network analysis on elderly GBM until now, it also provides more insights for elderly GBM management.
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10

Erickson, Sarah J. A Novel Hand-Held Optical Imager with Real-Time Coregistration Facilities Toward Diagnostic Mammography. Fort Belvoir, VA: Defense Technical Information Center, January 2011. http://dx.doi.org/10.21236/ada542735.

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