Direct image transmission through a multimode optical fiber

Son, Jung‐Young; Bobrinev, V. I.; Jeon, Hye Kyung; Cho, Younghyun; Eom, Yong-Sik

doi:10.1364/ao.35.000273

Cited by 13 publications

(7 citation statements)

References 6 publications

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“…One can mention nonlinear spectroscopy 1,3,4 , optical information processing (e.g., linear operations of image convolution and correlation, nonlinear operation of image edge detection) 4,5 , distortion correction in adaptive optics 5 , (e.g., laser beam aiming in nonhomogenous media 4 , image distortion correction in telescopes 6 , direct image transmission through optical fibres 7,8 ) ,focusing beyond the diffraction limit 9 , optimization of volume holographic memory 10 .…”

Section: Introductionmentioning

confidence: 99%

Recording and self-enhancement of dynamic polarization gratings in degenerate four-wave-mixing geometry

et al. 2014

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Scalar and vectorial degenerate four-wave-mixing (DFWM) in azobenzene molecular K-RJ-4-3 [N,N-bis(5,5,5-tryphenylpentyl)-4-((4-tritylphenyl)diazenyl)aniline] and in chalcogenide a-As 2 S 3 glassy films is experimentally investigated. A coherent self-enhancement (CSE) of holographic gratings (HG) in this geometry was experimentally confirmed, for the first time to our knowledge, thus establishing a new method of HG recording, the DFWM CSE recording. Scalar linear s-s, p-p and circular R-R(right) polarizations and orthogonal linear s-p and circular L(left)-R polarizations were used for HG recording with 2 µm period at 532 nm. In the case of K-RJ-4-3 film L-R polarizations were the most efficient enabling the maximum DFWM efficiency ρ max =14.5% whereas in the case of a-As 2 S 3 film s-s polarizations were the best with ρ max =6.0%. DFWM CSE recording has exhibited a different polarization dependence compared to normal DWFM recording. CSE factor ρ/ρ 0 (ρ 0 being the initial ρ) was the highest for K-RJ-4-3 film (6.8) with s-s polarizations compared to 3 for a-As 2 S 3 film with p-p polarizations. Two-wave HG recording was also studied for comparison.

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Section: Introductionmentioning

confidence: 99%

Recording and self-enhancement of dynamic polarization gratings in degenerate four-wave-mixing geometry

et al. 2014

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“…[1][2][3][4][5][6][7][8][9][10][11] One of those methods is encoding each pixel of an image with a very narrow part of the spectrum of a white light source. [1][2][3][4][5][6][7][8][9][10][11] One of those methods is encoding each pixel of an image with a very narrow part of the spectrum of a white light source.…”

Section: Introductionmentioning

confidence: 99%

Two-dimensional spectral multiplexing method for direct image transmission through an optical fiber

et al. 1997

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A method of parallel image transmission through a single optical fiber based on 2-D spectral multiplexing is presented. The method is realized with the multistripe holographic diffraction gratings. Each stripe in the gratings has its own ruling period and height. An experimental setup for the parallel image transmission is described and the transmitted images are represented. © 1997 Society of Photo-Optical Instrumentation Engineers.Subject terms: direct image transmission; optical fibers; spectral multiplexing method; two-dimensional image. Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 05/15/2015 Terms of Use: http://spiedl.org/terms

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“…For example, the object images were encoded in the spectral, spatial and wavelength-time content and the transmitted waves were decoded to recover the original image information [5, 6]. Optical phase conjugation was used to deliver image information in double-path configuration [7, 8] and to generate a focused spot [9]. However, both approaches are not suitable for endoscopic purpose in which an object image should be retrieved at the reflection mode of detection.…”

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confidence: 99%

Scanner-Free and Wide-Field Endoscopic Imaging by Using a Single Multimode Optical Fiber

et al. 2012

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A single multimode fiber has been considered an ideal optical element for endoscopic imaging due to the possibility of the direct image transmission via multiple spatial modes. However, the wave distortion induced by the mode dispersion has been a fundamental limitation. In this Letter, we proposed a method for eliminating the effect of the mode dispersion and therefore realized wide-field endoscopic imaging by using only a single multimode fiber with no scanner attached to the fiber. Our method will potentially revolutionize endoscopy in various fields encompassing medicine and industry.

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Direct image transmission through a multimode optical fiber

Cited by 13 publications

References 6 publications

Recording and self-enhancement of dynamic polarization gratings in degenerate four-wave-mixing geometry

Recording and self-enhancement of dynamic polarization gratings in degenerate four-wave-mixing geometry

Two-dimensional spectral multiplexing method for direct image transmission through an optical fiber

Scanner-Free and Wide-Field Endoscopic Imaging by Using a Single Multimode Optical Fiber

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