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47:, and focus the image passing through it into a line parallel to intersection of the surface of the lens and a plane tangent to it along the cylinder's axis. The lens converges or diverges the image in the direction perpendicular to this line, and leaves it unaltered in the direction parallel to its cylinder's axis (in the tangent plane).
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If a thin cylindrical rod is placed on a ruled white paper with the axis of the rod making an angle θ with the ruled lines, the lines will appear broken and tilted at
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Cylinder lenses are also used in many laser applications. A cylindrical lens can be used to create a laser line. A doublet cylinder lens is used to make laser sheets and circularize elliptical beams from laser
97:, which is a combination of two cylindrical lenses with equal strength and opposite power, is used in subjective refraction to diagnose astigmatism, and assess the strength and axis of the astigmatic power etc.
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The
Cylindrical rod can magnify only those linear dimensions which are perpendicular to its axis, and cannot magnify linear dimensions which are parallel to its axis.
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some angle α as shown in the figure, the
Refractive Index of the rod can be given as :
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380:"Fast Tomography Imaging System for Material Surface Based on Doublet-cylinder-lens in Intelligent OCT"
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Fu, Xiao; Duan, Fajie; Jiang, Jiajia; Huang, Tingting; Ma, Ling; Lv, Changrong (1 October 2017).
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282:"Astigmatism-corrected echelle spectrometer using an off-the-shelf cylindrical lens"
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Jacobs, Donald H. Fundamentals of
Optical Engineering. MC Graw-Hill Book Co., 1943.
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combines the effect of a cylindrical lens with that of an ordinary spherical lens.
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would. The curved face or faces of a cylindrical lens are sections of a
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Xiao, Dan; Wei, Rong; Liu, Su-Juan; Wang, Qiong-Hua (1 December 2018).
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331:"Holographic magnification system based on cylindrical lens"
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Cylindrical lenses are used in optical spectrometers.
212:Khurana, AK (September 2008). "Light and optics".
188:Pathfinder for Olympiad and JEE (Advanced) Physics
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249:Journal of Kerala Society of Ophthalmic Surgeons
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87:Cylindrical lenses are prescribed to correct
214:Theory and practice of optics and refraction
378:Shijun Xu, Xiaoling Ren (13 January 2017).
129:to create the light sheet used for imaging.
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185:Singh, Arvind Tiwari & Sachin (2016).
39:light into a line instead of a point as a
142:Doublet cylinder lens system is used in
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400:"Cylinder Lens | Edmund Optics"
242:"Jacksons Cross Cylinder (JCC)"
135:Cylindrical lenses are used in
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463:. You can help Knowledge by
144:optical coherence tomography
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349:10.1016/j.ijleo.2018.06.103
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263:"Dissimilar Image Tests"
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459:-related article is a
166:Jackson cross cylinder
123:light sheet microscope
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439:at Wikimedia Commons
404:www.edmundoptics.com
300:10.1364/AO.56.007861
23:Cylindrical lenses.
437:Cylindrical lenses
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435:Media related to
294:(28): 7861–7868.
227:978-81-312-1132-8
198:978-93-325-8139-5
191:. Pearson India.
82:Uses in optometry
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343:: 707–714.
267:www.aao.org
101:Maddox rods
89:astigmatism
504:Categories
172:References
137:holography
116:Other uses
105:strabismus
52:toric lens
365:125502339
357:0030-4026
308:2155-3165
127:objective
316:29047771
218:Elsevier
155:See also
109:diplopia
45:cylinder
150:diodes.
37:focuses
510:Lenses
457:optics
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35:which
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361:S2CID
336:Optik
245:(PDF)
121:In a
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304:ISSN
222:ISBN
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