Relevant bibliographies by topics / Z-scan nonlinear measurement

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
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Academic literature on the topic 'Z-scan nonlinear measurement'

Author: Grafiati
Published: 11 December 2022
Last updated: 19 July 2025

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Journal articles on the topic "Z-scan nonlinear measurement"

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Hua, Shijia, Kang Du, Heng Wang, Wending Zhang, Ting Mei, and Elhadj Dogheche. "Affirming nonlinear optical coefficient constancy from z-scan measurement." Chinese Optics Letters 18, no. 7 (2020): 071903. http://dx.doi.org/10.3788/col202018.071903.

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XIA, T., M. SHEIK-BAHAE, A. A. SAID, D. J. HAGAN, and E. W. VAN STRYLAND. "Z-SCAN AND EZ-SCAN MEASUREMENTS OF OPTICAL NONLINEARITIES." Journal of Nonlinear Optical Physics & Materials 03, no. 04 (1994): 489–500. http://dx.doi.org/10.1142/s0218199194000286.

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We describe the application of single beam propagation methods, namely Z-scan and EZ-scan, for the determination of nonlinear refractive indices in materials including thin films. In these experiments the transmittance of a sample is measured either through a finite aperture (Z-scan) or around an eclipsing disk (EZ-scan) placed in the far-field as the sample is moved along the propagation path (Z) of a focused beam. Both methods can also be used to separately measure the nonlinear absorption so that both the real and imaginary parts of the nonlinear susceptibility are determined along with the
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Edziah, Raymond. "High Repetition-Rate Laser Z-Scan Measurements: Criterion for Recognizing Adverse Thermal Effects." Applied Physics Research 11, no. 2 (2019): 73. http://dx.doi.org/10.5539/apr.v11n2p73.

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This study reports z-scan measurements in which high-repetition-rate and reduced repetition-rate (pulse-picked) laser beams were employed using a standard sample, carbon disulfide (CS2) contained in supposedly high damage-threshold spectroscopic-grade pristine fused-quartz cuvettes. The results suggest that at reduced repetition rates, the closed aperture z-scan profile for CS2 displays the expected configuration. However, at high repetition-rates the closed aperture z-scans are distinctly different resulting in unexpectedly large nonlinear refractive index of CS2 due to thermal effects that r
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Sarkhosh, Leila, and Nastaran Mansour. "Analysis of Z-scan measurement for large thermal nonlinear refraction in gold nanoparticle colloid." Journal of Nonlinear Optical Physics & Materials 24, no. 02 (2015): 1550014. http://dx.doi.org/10.1142/s0218863515500149.

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In this work, based on nonlocal heat effect and Fresnel diffraction theory, the characteristics of closed Z-scan in materials with a large nonlinear phase shift have been studied and a formula for Z-scan transmittance is derived. Numerical computations show that the shapes of Z-scan curves are greatly affected by the values of thermal nonlinear phase shift. The Z-scan behavior is compared to the conventional thermal Z-scan theories, including the thermal thin lens and aberrant thermal lens model. We have used the Z-scan models to determine the nonlinear refraction of gold nanoparticle (AuNP) d
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Feng, Zhi Shu, Xiao Ming Li, Xian Yong Jing, Zhi Huan Lan, and Cheng Da Ning. "Investigation on Z-Scan and its Application of Nonlinear Measurement." Applied Mechanics and Materials 713-715 (January 2015): 343–46. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.343.

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Nguyen, Lam Thanh, Nghia Tran Hong, Cam Tu Bui Thi, and Anh Quynh Le. "The numerical methods for analyzing the Z-scan data." Journal of Nonlinear Optical Physics & Materials 23, no. 02 (2014): 1450020. http://dx.doi.org/10.1142/s0218863514500209.

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In this paper, we are dedicated to exemplifying a two parameter curve fitting method and developing a Matlab-based simulation program to extract the nonlinear refractive index and nonlinear absorption coefficient from closed-aperture Z-scan or R(z) data without the need for performing open-aperture Z-scan measurement. It should be noted, however, that both approaches can only be applicable to a case for which the on-axis phase shift at the focus is small. In this way, we not only determine the nonlinear parameters quickly with reasonable accuracy, as well as save time, efforts and equipment in
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Chapple, P. B., J. Staromlynska, J. A. Hermann, T. J. Mckay, and R. G. Mcduff. "Single-Beam Z-Scan: Measurement Techniques and Analysis." Journal of Nonlinear Optical Physics & Materials 06, no. 03 (1997): 251–93. http://dx.doi.org/10.1142/s0218863597000204.

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The Z-scan technique is a popular method for measuring degenerate (single frequency) optical nonlinearities using a single laser beam. In order to perform reliable measurements, it is necessary to carefully characterize and control a number of experimental parameters, such as the beam quality, the power and temporal characteristics of the laser, the collection aperture size and position, the sample reflectivity, sample thickness and imperfections in the sample. Failure to control these parameters leads to inaccurate determinations of the nonlinearities. In this paper, we review the theory of Z
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Vijai Anand, K., G. Vinitha, M. Karl Chinnu, R. Mohan, and R. Jayavel. "Enhanced third-order nonlinear optical properties of high purity ZnS nanoparticles." Journal of Nonlinear Optical Physics & Materials 24, no. 02 (2015): 1550016. http://dx.doi.org/10.1142/s0218863515500162.

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This paper reports on the preparation of high purity ZnS nanoparticles by a facile single step solvent-free route via thermal decomposition of zinc acetate dihydrate and thiourea in air atmosphere. The third-order optical nonlinearity of the prepared ZnS nanoparticles were measured by Z-scan technique using continuous wave 532-nm diode pumped Nd:YAG laser. From nonlinear optical (NLO) measurements, the prepared ZnS nanoparticles possess negative nonlinearity i.e., self-defocusing. Open aperture Z-scan measurement shows saturable absorption within the medium. These results show that the prepare
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Antony, Maria Merin, C. S. Suchand Sandeep, and Vadakke Matham Murukeshan. "Hyperspectral z-scan: Measurement of spectrally resolved nonlinear optical properties." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 261 (November 2021): 120005. http://dx.doi.org/10.1016/j.saa.2021.120005.

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Chen, Runze, Xin Zheng, Yangwei Zhang, Yuhua Tang, and Tian Jiang. "Z-scan measurement of nonlinear optical properties of BiOCl nanosheets." Applied Optics 54, no. 21 (2015): 6592. http://dx.doi.org/10.1364/ao.54.006592.

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Dissertations / Theses on the topic "Z-scan nonlinear measurement"

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Namarathne, Dinithi L. "Measuring intensity dependent optical nonlineartities without sample damage using higher order vortex beams." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/129569/9/Dinithi_Namarathne_Thesis.pdf.

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This study developed a beam shaping based method to avoid nonlinear sample damage in high intense pulse laser applications. This is achieved by developing a complete theoretical and experimental framework for Z-scan experiments to utilise higher order vortex beams instead of common Gaussian beam. An image processing based extension was introduced to Z-scan experiments, which can be utilised to achieve results of different Z-scan modes from a single experimental dataset efficiently. The results of this study will have a positive impact on utilising different beam profiles to achieve profile spe
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李俊誼. "Z-Scan Measurement of the nonlinear optical." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/11640478954112736486.

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碩士<br>國立交通大學<br>光電工程所<br>90<br>By using a femtosecond Ti:sapphire laser (wavelength = 820nm) as z-scan light source, we have studied intensity dependent nonlinear refractive index of the ε-GaSe single crystal grown by Vertical Bridgman growth method . We not only measure the two photon absorption coefficient to be 13.28±0.2 cm/GW, but also the third order nonlinear refraction index coefficient γ= ﹣3.779x10-13cm2/W and the fifth order nonlinear refraction indexσ=1.25x10-18cm3. By rotating the incident angle of the crystal axis with respect to the optical axis of the laser beam, we verify the
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Lu, Yan-Lan, and 呂彥嵐. "Nonlinear properties of optoelectronic semiconductors and nano-thin film studied by Z-scan measurement." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/61404634328075546690.

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碩士<br>國立臺灣海洋大學<br>光電科學研究所<br>92<br>Abstract In this thesis, we study nonlinear optical properties of optoelectronic ZnO and Au nanometer thin films with different thickness under different laser powers by z-scan in which we use a pulsed laser (wavelength=532 nm, pulse width=0.71 ns, repetition rate=15.29 KHz) as the light Source. In addition, we fit experimental data of Au thin film of different thickness to get nonlinear absorption/refraction coefficients β/γ. Interestingly, we add a measurement device in our experimental setup to detect reflective optical signal of Au/ZnO thin films with di
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Ferdinandus, Manuel. "Techniques for characterization of third order optical nonlinearities." Doctoral diss., 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6090.

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This dissertation describes the development of novel techniques for characterization of nonlinear properties of materials. The dissertation is divided into two parts, a background and theory section and a technique development section. In the background and theory section we explain the origins of the nonlinear optical response of materials across many different spatial and temporal scales. The mechanisms that we are most interested in are the electronic nuclear and reorientational responses, which occur on the range of sub-femtosecond to several picoseconds. The electronic mechanism is due to
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Lin, Chih-chieh, and 林志杰. "Z-scan Measurements of Optical Nonlinear Absorption and Refraction in Doppler-Broadened Rb Atoms." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/10437492764878707661.

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碩士<br>國立中正大學<br>物理所<br>97<br>We use z-scan technique to research optical nonlinear effect for Rb vapor and measure optical nonlinear absorption and refraction in Doppler-broaden Rb atoms (Doppler line-width is 332 MHz at 79℃). There are mixing lensing effect by isotopes of Rb atoms, Rubidium-87 and Rubidium-85.To observe optical lensing effect, we set up an optical system of changing detuning. Then we can observe lensing effect at different detuning. When lensing effect of Rubidium-87 and lensing effect of Rubidium-85 cancel out, we say zero lensing effect that we are interested in it. With z-
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Liang, Shao-Chi, and 梁曉琪. "Measurements of Nonlinear Optical Properties of ZnSe Doped Glass Thin Films Using Z-Scan." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/07820625148900262269.

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碩士<br>國立交通大學<br>光電工程所<br>87<br>ZnSe doped glass thin films were deposited on quartz substrates by KrF pulsed laser deposition form sol-gel targets. The structure of this thin film is semiconductor quantum dots in glass and clearly exhibiting quantum confinement. The property can induce an enhancement of third-order optical nonlinearityχ(3) . The blue shift of the photoluminescence (PL) spectrum shows the effect of quantum confinement. We calculate the coherent length to describe the quality of the thin films from Raman spectra and spatial correlation model. The nonlinear refract
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Ribeiro, Tânia Raquel Mendes. "Third-Order Nonlinear Optical Response of Colloidal Carbon Dots from Femtosecond Z-scan Measurements." Master's thesis, 2015. https://repositorio-aberto.up.pt/handle/10216/82526.

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Ribeiro, Tânia Raquel Mendes. "Third-Order Nonlinear Optical Response of Colloidal Carbon Dots from Femtosecond Z-scan Measurements." Dissertação, 2015. https://repositorio-aberto.up.pt/handle/10216/82526.

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Lin, Chun-Ping, and 林竣平. "Femtosecond pulsed Z-scan measurements of the nonlinear optical properties of assembled silver-nanoparticle films." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/06405863256733759144.

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碩士<br>國立臺灣海洋大學<br>光電科學研究所<br>103<br>We use femtosecond Z-scan technique silver nanoparticles assembled film nonlinear optical properties. Silver nanoparticles diameter is 30 nm, the surface of the plasma position is 410 nm. Laser light used femtosecond Ti: sapphire laser. To make it easy to study, we were assembled MHA and MPA in silver nanoparticles surface to surface plasma changed to 790 nm and 925 nm. In order to understand the film thickness is the influence of nonlinear characteristics, so there are two kinds of modifications we are going to explore two thicknesses. The result were -3.2×
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Book chapters on the topic "Z-scan nonlinear measurement"

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Moses Samuel Elizabeth, Allen. "Third-Order Nonlinearity Measurement Techniques." In Crystal Growth - Technologies and Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106506.

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To measure the degenerate (single-frequency) optical nonlinearities, third-order nonlinearity measurement and their related techniques were employed. When a laser beam is induced on a nonlinear (NL) medium, a phase change is easily identified using third-order nonlinearity measurement techniques (Z-scan). When the sample material is scanned on Z-axis, the phase change is denoted by sign and magnitude, the refractive index which is directly related to the change in the index of refraction. The nonlinear absorption from the absorption coefficient is independent of the index of refraction which is a required parameter for calculating nonlinear refraction. Further, the change in transmission caused by nonlinear absorption of the subjected material is related to the change in absorption coefficient which is easily determined by the Z-scan technique. From Z-scan responses, real and imaginary parts of third-order nonlinear susceptibility (χ3) can be determined. The Z-scan technique is an interesting process that leads to optical power limiting and nonlinear optical propagation.
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Bairy, Raghavendra, Vijeth H., Rajesh K., and Rohan S. Deshmukh. "Synthesis and Characterization of CdS and ZnS Nanostructured Thin Films for Opto-electronic Energy Applications." In Thin Film Nanomaterials: Synthesis, Properties and Innovative Energy Applications. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815256086124010004.

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Since their early discovery, thin films have quickly found industrial uses, including decorative, optical, and energy storage applications. The range of applications for thin film technology has expanded to the point where nearly every industrial sector now uses it to impart specific physical and chemical properties to the surface of bulk materials. The ability to customize film properties by varying the microstructure through the deposition parameters used in a particular deposition technique has recently allowed them to advance from the most basic applications, like protective coatings against wear and corrosion, to the most technologically advanced ones, like microelectronics and biomedicine. Despite such remarkable advancements, the relationship between all phases of the fabrication of metal sulphide thin films such as CdS and ZnS specifically deposition parameters – morphology and characteristics, is not entirely precise. In summary, the characterization of thin films involved several techniques, including X-ray diffraction, UV-Vis spectrophotometry, scanning electron microscopy, energydispersive X-ray diffraction, and transmission electron microscopy. The investigation of nonlinear optical (NLO) parameters was carried out through open aperture (OA) and closed aperture (CA) Z-scan measurements, employing a diode-pumped solid-state continuous-wave laser at 532 nm excitation. The NLO parameters, namely the nonlinear absorption coefficient (β), nonlinear refractive index (n2), and third-order NLO susceptibility (χ(3)) exhibited an increasing trend with higher doping concentrations. These promising outcomes regarding the NLO parameters in nanostructured CdS and ZnS thin films with increasing doping concentrations suggest that these processed films hold significant potential for applications in opto-electronic energy-related technologies.
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Conference papers on the topic "Z-scan nonlinear measurement"

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Levine, Zachary H. "A Proposed Experiment to Measure Saturated Nonlinear Optical Susceptibilities." In Frontiers in Optics. Optica Publishing Group, 2024. https://doi.org/10.1364/fio.2024.jtu5a.44.

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The Z-scan method for determining nonlinear optical susceptibilities can be inaccurate if the Kerr coefficient is intensity dependent. A new method, Phase Retrieval of Modes (PROM), is proposed to improve measurement accuracy.
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Boudebs, G., V. Besse, C. Cassagne, H. Leblond та Cid B. de Araújo. "D4σ nonlinear measurement inside a 4f-Z-scan system". У Nonlinear Optics. OSA, 2013. http://dx.doi.org/10.1364/nlo.2013.ntu1b.5.

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Sohn, Yeung Joon, Chong Hoon Kwak, and Ok Shik Choe. "Z-Scan Measurement in Amorphous As2S3 Thin Film." In Diffractive Optics and Micro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/domo.1996.jtub.20.

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Z-scan technique is very useful method for measuring the magnitude and the sign of the nonlinear refractive index due to its simple geometry and high sensitivity compared with nonlinear interferometry, degenerate four-wave mixing, nearly degenerate three-wave mixing, ellipse rotation, beam distortion measurement.[1, 2] With this technique the measurements and analysis for several nonlinear optical materials such as CS2, ZnSe, GaAs, CdTe had been succesfully acomplished by using high power pulse laser.[1-3] In this paper, we present a cw pump-probe z-scan method for determining the optical nonl
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Das, Ritwick, and Mukesh Kumar Shukla. "Measurement of nonlinear refractive index in open aperture Z-scan." In 2013 Workshop on Recent Advances in Photonics (WRAP). IEEE, 2013. http://dx.doi.org/10.1109/wrap.2013.6917702.

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Kamada, Kenji, Akihiro Yoshino, and Koji Ohta. "Influence of TPA-induced thermal effect on high repetition femtosecond Z-scan measurement." In Nonlinear Optics: Materials, Fundamentals and Applications. OSA, 2000. http://dx.doi.org/10.1364/nlo.2000.thb17.

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Zhao, Jianming, Qiuming Qian та Zhijiang Wang. "Measurement of Nonlinear Index n2(λ) By Using White Laser Pulses". У Organic Thin Films for Photonic Applications. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/otfa.1993.wd.17.

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Z-scan method proposed in report [1] is proved that it is an effective and simple method to measure the third order nonlinearity. In our early works[2, 3, 4], we modified Z-scan method by using two wavelength picosecond laser pulses to measure the third order nonlinearity and nonlinear response of chloroplastin and chlorophll-a. In our setup, one is a fixed wavelength laser and another is a tunable laser pulses pumped by a same YAG laser. Recently M.Sheik-Bahae and co-worker[5, 6] also improved their Z-scan method to measure the nonlinear response and nondegenerate nonlinearities. Here we intr
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Yelleswarapu, Chandra S., Sri-Rajasekhar Kothapalli, and D. V. G. L. N. Rao. "Photoacoustic Z-scan for the measurement of third-order nonlinear absorption coefficient." In SPIE LASE, edited by Konstantin L. Vodopyanov. SPIE, 2011. http://dx.doi.org/10.1117/12.875470.

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Chen, Peilin, Ivan V. Tomov, Peter M. Rentzepis, Masato Nakashima, and Joseph F. Roach. "Two-dimensional Z-scan method for the measurement of optical nonlinear effects." In Optical Science, Engineering and Instrumentation '97, edited by Christopher M. Lawson. SPIE, 1997. http://dx.doi.org/10.1117/12.279302.

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Sreeja, V. G., and E. I. Anila. "Z-scan measurement for nonlinear absorption property of rGO/ZnO:Al thin film." In DAE SOLID STATE PHYSICS SYMPOSIUM 2017. Author(s), 2018. http://dx.doi.org/10.1063/1.5028841.

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Thakur, Siddharatha, Behrooz Semnani, and Amir Hamed Majedi. "Spectrally-dependent Z-scan measurement of the nonlinear refractive index of graphene." In 2017 Photonics North (PN). IEEE, 2017. http://dx.doi.org/10.1109/pn.2017.8090599.

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Reports on the topic "Z-scan nonlinear measurement"

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Shimada, T., N. A. Kurnit, and M. Sheik-Bahae. Measurement of nonlinear index by a relay-imaged top-hat Z-scan technique. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/212526.

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