Academic literature on the topic 'Monochromatic aberration'

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Journal articles on the topic "Monochromatic aberration"

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Reshidko, Dmitry, Masatsugu Nakanato, and José Sasián. "Ray Tracing Methods for Correcting Chromatic Aberrations in Imaging Systems." International Journal of Optics 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/351584.

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The correction of chromatic aberrations is typically performed using aberration formulas or by using real ray tracing. While the use of aberration formulas might be effective for some simple optical systems, it has limitations for complex and fast systems. For this reason chromatic aberration correction is usually accomplished with real ray tracing. However, existing optimization tools in lens design software typically mix the correction of monochromatic and chromatic aberrations by construction of an error function that minimizes both aberrations at the same time. This mixing makes the correc
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Jiang, Yurong, Cheng Cui, Jinmin Zhao, and Bin Hu. "Mid-Infrared Broadband Achromatic Metalens with Wide Field of View." Materials 15, no. 21 (2022): 7587. http://dx.doi.org/10.3390/ma15217587.

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Metasurfaces have the ability to flexibly control the light wavefront, and they are expected to fill the gaps of traditional optics. However, various aberrations pose challenges for the application of metasurfaces in the wide angle and wide spectral ranges. The previous multi-aberration simultaneous optimization works had shortcomings such as large computational load, complex structure, and low generality. Here, we propose a metalens design method that corrects both monochromatic and chromatic aberrations simultaneously. The monochromatic aberration-corrected phase distribution is obtained by
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Venkanna, M., N. Sabitha, and D. K. Sagar. "Engineering of Aberrated PSF by Asymmetric Apodization with the Complex Shaded Aperture." Journal of Scientific Research 15, no. 1 (2023): 121–29. http://dx.doi.org/10.3329/jsr.v15i1.60366.

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The point spread function (PSF) produced by a coherent optical system under the influence of defocus, coma, and primary spherical aberration (PSA) is examined in this work. This paper deals with asymmetric apodization and pupil engineering to control monochromatic aberrations. To reduce the influence of monochromatic aberrations on the diffracted PSF, this approach uses amplitude and phase apodization. Analytical investigations on intensity PSF are carried out with varying amounts of aberrations and degrees of amplitude and phase apodization. Computed central peak intensity and full width at h
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Zhao, Junlei, Fei Xiao, Jian Kang, Haoxin Zhao, Yun Dai, and Yudong Zhang. "Statistical analysis of ocular monochromatic aberrations in Chinese population for adaptive optics ophthalmoscope design." Journal of Innovative Optical Health Sciences 10, no. 01 (2017): 1650038. http://dx.doi.org/10.1142/s1793545816500383.

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It is necessary to know the distribution of the Chinese eye’s aberrations in clinical environment to guide high-resolution retinal imaging system design for large Chinese population application. We collected the monochromatic wave aberration of 332 healthy eyes and 344 diseased eyes in Chinese population across a 6.0-mm pupil. The aberration statistics of Chinese eyes including healthy eyes and diseased eyes were analyzed, and some differences of aberrations between the Chinese and European race were concluded. On this basis, the requirement for adaptive optics (AO) correction of the Chinese e
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Wang, Yuanyuan, Yilei Shao, and Yimin Yuan. "Simultaneously measuring ocular aberration and anterior segment biometry during accommodation." Journal of Innovative Optical Health Sciences 08, no. 02 (2015): 1550005. http://dx.doi.org/10.1142/s1793545815500054.

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In the human eye, accommodation is essential for functional vision. However, the mechanisms regulating accommodation and the ocular parameters affecting aberrations remain to be explored. In order to measure the alterations of ocular aberration and crystalline lens biometry during dynamic accommodative stimuli, we designed an optical coherence tomography with ultra-long penetration depth (UL-OCT) combined with a Shack–Hartmann wavefront sensor (SHWFS). This integrated set up measures human eye's anterior segment as well as monochromatic high-order aberrations (HOAs) with 6 μm resolution and (1
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Zhou, Yi, Fengyuan Gan, Ruxue Wang, Dun Lan, Xiangshuo Shang, and Wei Li. "Doublet Metalens with Simultaneous Chromatic and Monochromatic Correction in the Mid-Infrared." Sensors 22, no. 16 (2022): 6175. http://dx.doi.org/10.3390/s22166175.

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Metalenses provide a powerful paradigm for mid-infrared (MIR) imaging and detection while keeping the optical system compact. However, the design of MIR metalenses simultaneously correcting chromatic aberration and off-axis monochromatic aberration remains challenging. Here, we propose an MIR doublet metalens composed of a silicon aperture metalens and a silicon focusing metalens separated by a fused silica substrate. By performing ray-tracing optimization and particle-swarm optimization, we optimized the required phase profiles as well as the sizes and spatial distributions of silicon nanopil
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Plainis, S., and IG Pallikaris. "Ocular monochromatic aberration statistics in a large emmetropic population." Journal of Modern Optics 55, no. 4-5 (2008): 759–72. http://dx.doi.org/10.1080/09500340701469831.

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D'yakonov, S. Yu, and A. L. Sushkov. "Aberration characteristics of gradient optical systems of medical endoscopes. Part 1. Third-order monochromatic aberrations." Biomedical Engineering 29, no. 6 (1995): 305–12. http://dx.doi.org/10.1007/bf00563152.

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Li, Shiming, Ying Xiong, Jing Li, et al. "Effects of Monochromatic Aberration on Visual Acuity Using Adaptive Optics." Optometry and Vision Science 86, no. 7 (2009): 868–74. http://dx.doi.org/10.1097/opx.0b013e3181adfdff.

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Mankos, Marian, and Khashayar Shadman. "A monochromatic, aberration-corrected, dual-beam low energy electron microscope." Ultramicroscopy 130 (July 2013): 13–28. http://dx.doi.org/10.1016/j.ultramic.2013.02.018.

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Dissertations / Theses on the topic "Monochromatic aberration"

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Gupta, Preeti. "Change in colour appearance of small defocused lights." Thesis, Queensland University of Technology, 2009. https://eprints.qut.edu.au/30424/1/Preeti_Gupta_Thesis.pdf.

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Small long wavelength lights (≤ 1’ arc) change colour appearance with positive defocus, appearing yellow or white. I investigated influences of longitudinal chromatic aberration and monochromatic aberrations on colour appearance of small narrow band lights. Seven cyclopleged participants viewed a small light (1’ arc diameter, λmax range 510 - 628 nm) centred within a 4.6’ black annulus and surrounded by a uniform white field under photopic light levels. An optical trombone varied focus. Participants were required to vary the focus by moving the optical trombone in either positive or negative d
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Mathur, Ankit. "Peripheral ocular monochromatic aberrations." Queensland University of Technology, 2009. http://eprints.qut.edu.au/30384/.

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Aberrations affect image quality of the eye away from the line of sight as well as along it. High amounts of lower order aberrations are found in the peripheral visual field and higher order aberrations change away from the centre of the visual field. Peripheral resolution is poorer than that in central vision, but peripheral vision is important for movement and detection tasks (for example driving) which are adversely affected by poor peripheral image quality. Any physiological process or intervention that affects axial image quality will affect peripheral image quality as well. The aim of th
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Cui, Chengwu. "The misalignment of ocular components and ocular monochromatic aberrations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0025/NQ30599.pdf.

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Martinez, Aldo A. Optometry &amp Vision Science Faculty of Science UNSW. "On and off-axis monochromatic aberrations and myopia in young children." Awarded by:University of New South Wales, 2007. http://handle.unsw.edu.au/1959.4/33676.

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Purpose: To study ???on??? and ???off-axis??? wavefront aberration of eyes of children and to determine the relationship with refractive error development. Methods: On and off-axis ocular aberrations of cyclopleged eyes of children (mostly 12 year olds) were measured and compared to data obtained from a group of mostly 6 year old children. Only data from the right eyes were analysed (pupil diameter=5 mm) and categorised into refractive error groups based on ???M???. Differences in ???on??? and ???off-axis??? aberrations between refractive and ethnic groups were analysed using univariate and m
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White, Elaine K. "Modelling ocular monochromatic aberrations using schematic eyes with homogeneous optical media." Thesis, Aston University, 1993. http://publications.aston.ac.uk/14599/.

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Previous research has indicated that schematic eyes incorporating aspheric surfaces but lacking gradient index are unable to model ocular spherical aberration and peripheral astigmatism simultaneously. This limits their use as wide-angle schematic eyes. This thesis challenges this assumption by investigating the flexibility of schematic eyes comprising aspheric optical surfaces and homogeneous optical media. The full variation of ocular component dimensions found in human eyes was established from the literature. Schematic eye parameter variants were limited to these dimensions. The levels of
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Chao, Christopher Chi Ying. "Modelling retinal photoreceptor directionality in the human eye." Thesis, Queensland University of Technology, 2002. https://eprints.qut.edu.au/36173/1/36173_Chao_2002.pdf.

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Retinal photoreceptor directionality of human eye refers to the fact that, for a normal and healthy human eye, visual sensitivity is greatest for light entering near the centre of the eye pupil and the response falls off from this peak roughly symmetrically across the pupil. This is also known as the Stiles-Crawford effect (SCE). It is achieved by the directionality of retinal cones that act like waveguides. It has a positive effect on human vision since the optical aberrations of the eye normally increase in the pupil periphery. The measured SCE is used in clinical cases to indicate the stag
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Hampson, Karen M., Sem Sem Chin, and Edward A. H. Mallen. "Effect of temporal location of correction of monochromatic aberrations on the dynamic accommodation response." 2010. http://hdl.handle.net/10454/6001.

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Dynamic correction of monochromatic aberrations of the eye is known to affect the accommodation response to a step change in stimulus vergence. We used an adaptive optics system to determine how the temporal location of the correction affects the response. The system consists of a Shack-Hartmann sensor sampling at 20 Hz and a 37-actuator piezoelectric deformable mirror. An extra sensing channel allows for an independent measure of the accommodation level of the eye. The accommodation response of four subjects was measured during a +/- 0.5 D step change in stimulus vergence whilst aberrations w
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Keir, Nancy. "Impact of Wavefront-Guided Laser in situ Keratomileusis on Monochromatic Higher Order Aberrations and Vision." Thesis, 2008. http://hdl.handle.net/10012/3813.

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Wavefront-guided (WFG) laser in situ keratomileusis (LASIK) differs from conventional surgery by applying a refined algorithm for tissue removal, based on information from preoperative wavefront aberration data. Since the introduction of this technology, there have been few investigations comprehensively reporting outcomes, particularly for hyperopic treatments. This thesis aimed to determine the impact of myopic and hyperopic WFG LASIK on visual acuity, contrast sensitivity, higher order aberrations and subjective ratings, as well as determine the relationship between these outcome measures
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Book chapters on the topic "Monochromatic aberration"

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Hazra, Lakshminarayan. "Monochromatic Aberrations." In Foundations of Optical System Analysis and Design. CRC Press, 2022. http://dx.doi.org/10.1201/9780429154812-8.

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Marcos, Susana, Pablo Pérez-Merino, and Carlos Dorronsoro. "20. Monochromatic aberrations." In Handbook of Visual Optics. CRC Press, 2016. http://dx.doi.org/10.1201/9781315373034-21.

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Romano, Antonio. "Monochromatic Third-Order Aberrations." In Geometric Optics. Birkhäuser Boston, 2009. http://dx.doi.org/10.1007/978-0-8176-4872-5_11.

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Mukherjee, PC. "Monochromatic or Seidel Aberration." In Optics for Optometry Students. Jaypee Brothers Medical Publishers (P) Ltd., 2009. http://dx.doi.org/10.5005/jp/books/10577_7.

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"Monochromatic Aberrations." In Optical Engineering Science. John Wiley & Sons, Ltd, 2020. http://dx.doi.org/10.1002/9781119302773.ch3.

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Atchison, David A., and George Smith. "Monochromatic aberrations." In Optics of the Human Eye. Elsevier, 2000. http://dx.doi.org/10.1016/b978-0-7506-3775-6.50019-5.

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Welford, W. T. "Monochromatic Aberrations." In Aberrations of Optical Systems. Routledge, 2017. http://dx.doi.org/10.1201/9781315136530-7.

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"MONOCHROMATIC ABERRATIONS." In Introduction to Geometrical Optics. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776365_0020.

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SAIGUSA, S., Y. EJIMA, M. S. SASAKI, K. KOBAYASHI, and H. MAEZAWA. "INDUCTION OF CHROMOSOME ABERRATION BY MONOCHROMATIC X-RAY WITH THE RESONANCE ENERGY OF PHOSPHORUS K-SHELL ABSORPTION EDGE." In Radiation Research: A Twentieth-century Perspective. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-12-168561-4.50178-5.

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Malacara-Hernández, Daniel, and Zacarías Malacara-Hernández. "Monochromatic Off-Axis Aberrations." In Handbook of OPTICAL DESIGN. CRC Press, 2017. http://dx.doi.org/10.1201/b13894-6.

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Conference papers on the topic "Monochromatic aberration"

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Yoon, Geun-Young, and David R. Williams. "Visual benefit of correcting the higher order monochromatic aberrations and the chromatic aberration in the eye." In Vision Science and its Applications. OSA, 2000. http://dx.doi.org/10.1364/vsia.2000.pd5.

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King, Denise. "Monochromatic aberrations, myopia, and emmetropisation." In Opto-Canada: SPIE Regional Meeting on Optoelectronics, Photonics, and Imaging, edited by John C. Armitage. SPIE, 2017. http://dx.doi.org/10.1117/12.2283888.

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Li, Kui, Dimitar Popmintchev, Ruixuan Li, et al. "Globally Optimized EUV Monochromator for Ultrafast Spectroscopy and Coherent Diffractive Imaging." In CLEO: Applications and Technology. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_at.2022.jw3b.52.

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We demonstrate a dual-optic imaging-spectrometer for high harmonic generation sources, ideal for coherent diffractive imaging in a tunable monochromatic mode. Our optimization combines record-high efficiency, high spectral resolution, low aberrations, broad spectral coverage, and polarization-maintaining.
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Kaemmerer, M., T. Seiler, P. Mierdel, and H. E. Krinke. "Monochromatic ocular aberrations induced by photorefractive laser surgery." In Biomedical Topical Meeting. OSA, 1999. http://dx.doi.org/10.1364/bio.1999.cma3.

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Sokolova, Elena A., and Sandra I. Mogo. "Optimization of the wave aberration of the diffraction monochromator." In International Symposium on Optical Science and Technology, edited by Frank Wyrowski. SPIE, 2001. http://dx.doi.org/10.1117/12.451292.

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Osuagwu, Uchechukwu L., Noel A. Brennan, Pavan Verkicharla, Marwan Suheimat, and David A. Atchison. "Peripheral Monochromatic Aberrations in Young Adult Caucasian and East Asians." In Frontiers in Optics. OSA, 2017. http://dx.doi.org/10.1364/fio.2017.jtu2a.116.

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Howland, H. C. "History of the Study of Monochromatic Aberrations of the Eye." In Frontiers in Optics. OSA, 2011. http://dx.doi.org/10.1364/fio.2011.fwa1.

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Franco, Sandra, Cristina M. Oliveira, Helder Tiago Correia, Sergio M. C. Nascimento, and Jose Manuel Borges de Ameida. "Real-time dynamic monochromatic ocular wavefront aberrations during accommodation: Preliminary results." In 2012 IEEE 2nd Portuguese Meeting in Bioengineering (ENBENG). IEEE, 2012. http://dx.doi.org/10.1109/enbeng.2012.6331349.

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Quan, Wei, and Zhao-qi Wang. "Research of the off-axis monochromatic aberrations of the human eye." In International Symposium on Photoelectronic Detection and Imaging 2011. SPIE, 2011. http://dx.doi.org/10.1117/12.901075.

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Mikhailov, I. A. "Monochromatic aberrations of an off-axis hologram with carry out pupil." In International Seminar on 3-D Holography, edited by Tung H. Jeong and Vladimir B. Markov. SPIE, 1991. http://dx.doi.org/10.1117/12.19367.

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