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Functional characterization of a liquid lens using a Zygo interferometer 用Zygo干涉仪对液体透镜进行功能表征
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.853012
A. Santiago-Alvarado, S. Vázquez-Montiel, F. Granados-Agustin, J. Muñoz-López, E. Percino-Zacarías, J. González-García
{"title":"Functional characterization of a liquid lens using a Zygo interferometer","authors":"A. Santiago-Alvarado, S. Vázquez-Montiel, F. Granados-Agustin, J. Muñoz-López, E. Percino-Zacarías, J. González-García","doi":"10.1117/12.853012","DOIUrl":"https://doi.org/10.1117/12.853012","url":null,"abstract":"In this study, the opto-mechanical design and functional characterization of a Variable Focal Liquid Length Lens (VFLLL) are presented. This VFLLL is formed by a hydro-pneumatic system, a mount with two elastic membranes and the liquid medium between them. The hydropneumatic system allows the entrance and exit of the liquid at any moment to change the shape of the surfaces as well as the axial thickness of the lens. The functional characterization consists in measure the spherical aberrations present in VFLLL when changes on the amount of liquid medium are made. We used the Zygo interferometer to measure the spherical aberration. The changes of aberration as function of the focal length are shown. Finally the experimental results are presented.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124188135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Pressure monitoring over surfaces with sensitive paint by optical spectroscopy and intensity-based methods 用光谱学和基于强度的方法对涂有敏感涂料的表面进行压力监测
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.852083
G. Garcia-Torales, J. Castrellón-Uribe, Enrique Herrera Patiño
{"title":"Pressure monitoring over surfaces with sensitive paint by optical spectroscopy and intensity-based methods","authors":"G. Garcia-Torales, J. Castrellón-Uribe, Enrique Herrera Patiño","doi":"10.1117/12.852083","DOIUrl":"https://doi.org/10.1117/12.852083","url":null,"abstract":"We present experimental results of monitoring pressure over samples painted with paint called Pressure Sensitive Paint (PSP), employing optical spectroscopy and imaging analysis. An electronic system to control pressure is implemented to restricted low pressure monitoring of the samples with PSP. The surface under analysis is excited with 370 nm wavelength (UV). The signal of fluorescence generated at 580 nm is correlated to variation of pressure over the interval of 4 to 200 kPa. As a complement, a set of images is acquired in the same interval of pressure. The images are processed and then lead to a set of histograms obtained from the samples images. We assess the transfer function of the system analyzing the histograms and the spectral response curves.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116640616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel automatic alignment of specialty optical fibers 新型特种光纤自动对准
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.849187
S. Salinas-Almaguer, V. Guzman-Ramos, C. Calles-Arriaga, L. Cortez-Gonzalez, R. Selvas
{"title":"Novel automatic alignment of specialty optical fibers","authors":"S. Salinas-Almaguer, V. Guzman-Ramos, C. Calles-Arriaga, L. Cortez-Gonzalez, R. Selvas","doi":"10.1117/12.849187","DOIUrl":"https://doi.org/10.1117/12.849187","url":null,"abstract":"This paper presents the development of an automatic alignment system for specialty optical fibers. Based on a XY coordinates system, the alignment is achieved by the control of stepping motors through displacement algorithms. A hexagonal shape arrangement of SMF´s fibers generates a map location of the spot light. This photo-detection system enables to analyze the launching of the beam into the fiber. Through an USB based PC interface and software to automate the alignment process the device's performance has been improved in time and in optical coupling efficiency. The results obtained are 2 or 3 seconds in the alignment process and roughly 80% coupling efficiency.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129669053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Liquids sensor using Raman spectroscopy 使用拉曼光谱的液体传感器
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.849147
A. E. Villanueva-Luna, J. Castro-Ramos, S. Vázquez-Montiel, A. Flores-Gil, E. Orozco-Guillén
{"title":"Liquids sensor using Raman spectroscopy","authors":"A. E. Villanueva-Luna, J. Castro-Ramos, S. Vázquez-Montiel, A. Flores-Gil, E. Orozco-Guillén","doi":"10.1117/12.849147","DOIUrl":"https://doi.org/10.1117/12.849147","url":null,"abstract":"This paper presents a sensor of liquids using Raman spectroscopy. Results are displayed using 96 degrees alcohol mixed with collagen, moreover we used samples of acetone with alcohol, acetone with collagen. Raman spectrum noise is decreased using a matlab ® algorithm that works with wavelets symmlets. The results show main spectral lines for each of the samples used.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124660205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spectroscopic analysis of pharmaceutical formulations through the use of chemometric tools 通过使用化学计量工具对药物配方进行光谱分析
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.851128
N. Ornelas-Soto, O. Barbosa-García, M. Meneses-Nava, G. Ramos‐Ortiz, J. Pichardo-Molina, J. Maldonado, U. Contreras, L. López-Martínez, P. López-de-Alba, F. López-Barajas
{"title":"Spectroscopic analysis of pharmaceutical formulations through the use of chemometric tools","authors":"N. Ornelas-Soto, O. Barbosa-García, M. Meneses-Nava, G. Ramos‐Ortiz, J. Pichardo-Molina, J. Maldonado, U. Contreras, L. López-Martínez, P. López-de-Alba, F. López-Barajas","doi":"10.1117/12.851128","DOIUrl":"https://doi.org/10.1117/12.851128","url":null,"abstract":"In this work, fast and reliable spectroscopic methods in combination with chemometric tools were developed for simultaneous determination of Acetylsalicylic Acid, Acetaminophen and Caffeine in commercial formulations. For the first-order multivariate calibration method (PLS-1), calibration and validation sets were constructed with 23 and 10 samples respectively according to a central composite design. The Micro-Raman, FTIR-HATR and UV absorption spectra in the region of 100-2000 cm-1, 400-4400 cm-1 and 200-350 nm, respectively, were recorded. The % REP's (Percentage of relative error of prediction) was less than 18 for all used spectroscopic techniques. Subsequently, commercial pharmaceutical samples were analyzed with percentage of recovery between 90 and 117% for the three compounds.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121748820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reflectance difference laser measurements applied to the study of the stress/strain state in materials 反射差激光测量应用于材料应力/应变状态的研究
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.849043
C. H. Saucedo-Zárate, M. López-López, C. Sánchez-López, J. L. Correa-Figueroa, J. Huerta-Ruelas
{"title":"Reflectance difference laser measurements applied to the study of the stress/strain state in materials","authors":"C. H. Saucedo-Zárate, M. López-López, C. Sánchez-López, J. L. Correa-Figueroa, J. Huerta-Ruelas","doi":"10.1117/12.849043","DOIUrl":"https://doi.org/10.1117/12.849043","url":null,"abstract":"Development of experimental setup to study strain/stress state in materials emerges from a need to evaluate by a nondestructive and non-invasive technique the performance in new materials like semiconductor heterostructures, composite materials and alloys. The system was designed and built to be used as a multi-functional experimental setup. The main purpose is to characterize materials in elastic and plastic regime by reflectance difference laser measurements and strain gages. This system allows the generalization of results obtained from a theoretical model based in Finite Element Model and experimental measurements taken in finite specific points with strain gages. A NI™ platform is used for signal conditioning and processing. System built is described which includes an optical setup to measure reflectance difference laser (RDL), and a flexor which applies deformation in a link, with a micrometer. A correlation bigger than 0.95 was found between optical signal, strain gage signal, and finite element modeling.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127039883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Online analysis of sulfur in diesel line by a monochromatic wavelength dispersive x-ray fluorescence spectrometry 单色波长色散x射线荧光光谱法在线分析柴油生产线中的硫
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.848957
E. Pérez-Careta, J. A. López-Ramírez, Gilberto Reynoso-Whitaker, J. Sánchez-Mondragón, M. Torres-Cisneros
{"title":"Online analysis of sulfur in diesel line by a monochromatic wavelength dispersive x-ray fluorescence spectrometry","authors":"E. Pérez-Careta, J. A. López-Ramírez, Gilberto Reynoso-Whitaker, J. Sánchez-Mondragón, M. Torres-Cisneros","doi":"10.1117/12.848957","DOIUrl":"https://doi.org/10.1117/12.848957","url":null,"abstract":"This paper proposes the application of a monochromatic wavelength dispersive X-ray fluorescence (MWDXRF) technique developed in the X-ray Optical Systems laboratory Inc. The technique measures low-level sulfur (uls) in fuel. Data for ultra low sulfur in diesel were collected and analyzed using the combination of the mentioned technique and the usage of engineering tools as a fastloop array and a measurement technique. This provides a qualitative method for Diesel sulfur analysis of the Refinery Ing. Antonio M Amor (RIAMA) in Salamanca, Guanajuato. The pooled limit of quantification (PLOQ) for ultra-low-sulfur diesel was found to be less than 1.5 ppm in this study. The reproducibility of 15-ppm sulfur diesel fuel was determined to be better than 3 ppm (95 % confident level). This work shows the performance of the production of Diesel with less than 15-ppm in sulfur lines in the Hydrodesulfurizer Unit of Diesel (HDD) of the refinery. Results and conclusions discusses the better and cheaper method for the production of ultra low sulfur Diesel in the refinery.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123154799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Real-time turning surface inspection using laser light scattering 激光散射实时车削表面检测
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.848671
Arturo Moreno-Báez, G. Miramontes de León, Francisco Tenorio-Pérez, M. Ruiz-Torres, J. Huerta-Ruelas
{"title":"Real-time turning surface inspection using laser light scattering","authors":"Arturo Moreno-Báez, G. Miramontes de León, Francisco Tenorio-Pérez, M. Ruiz-Torres, J. Huerta-Ruelas","doi":"10.1117/12.848671","DOIUrl":"https://doi.org/10.1117/12.848671","url":null,"abstract":"An optical system for real-time measurements on a turning surface was designed and implemented in the optical metrology laboratory at CICATA-IPN. Different profiles of machined parts can be determined using a single detector or a photo-diode array. The basis of the measurement is the scattering of a laser beam which is reflected by the turning surface. Two different configurations were tested, the first one uses a single photodetector and a commercial lock-in amplifier, and the second uses a photodetector array and a proprietary platform. The samples under test were mounted on two different lathes for each configuration. The samples were rotating while the measurements were taken by the electronic system. Under these conditions it was possible to detect the intensity changes of the scattered light in the single detector case, and changes of the spread in the intensity distribution in the multidetector case. With the acquired data, qualitative profiles of the samples were obtained, with promising results. Potential applications in industry are straightforward when surface inspection is necessary to asses product's quality.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128370964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fast measurement of the refractive-index dispersion of dilute liquid solutions of absorbing molecules 吸收分子稀溶液折射率色散的快速测量
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.851114
E. Hernandez-Sanchez, H. Contreras-Tello, C. Sánchez-Pérez, A. García-Valenzuela
{"title":"Fast measurement of the refractive-index dispersion of dilute liquid solutions of absorbing molecules","authors":"E. Hernandez-Sanchez, H. Contreras-Tello, C. Sánchez-Pérez, A. García-Valenzuela","doi":"10.1117/12.851114","DOIUrl":"https://doi.org/10.1117/12.851114","url":null,"abstract":"We describe a fast method for measuring the refractive-index dispersion of transparent and absorbing liquid solutions. The method is based on measuring the reflectance spectra of an optical beam of white light in an internal reflection configuration near the critical angle defined by the refractive indices of the incident medium (a glass prism) and that of the solvent, which is assumed to be transparent. From a few reflectance spectra taken near the critical angle with the pure solvent and the solution, the dispersion of the contribution to the refractive index of the solute (the sample) can be obtained. We present results with solutions of Rodamine 6G dissolved in distilled water and in methanol showing the feasibility of the proposed method.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123136838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Discretization of quasi-sinusoidal diffraction gratings printed on acetates 准正弦衍射光栅印制在醋酸酯上的离散化
Symposium on Optics in Industry Pub Date : 2009-09-26 DOI: 10.1117/12.849061
M. Mora-González, H. Pérez Ladrón de Guevara, Jesús Muñoz-Maciel, R. Chiu-Zarate, F. J. Casillas, G. Gómez-Rosas, F. G. Peña-Lecona, Zuleima Montserrat Vázquez-Flores
{"title":"Discretization of quasi-sinusoidal diffraction gratings printed on acetates","authors":"M. Mora-González, H. Pérez Ladrón de Guevara, Jesús Muñoz-Maciel, R. Chiu-Zarate, F. J. Casillas, G. Gómez-Rosas, F. G. Peña-Lecona, Zuleima Montserrat Vázquez-Flores","doi":"10.1117/12.849061","DOIUrl":"https://doi.org/10.1117/12.849061","url":null,"abstract":"The aim of this work is to propose the use of printed acetate sheets as quasi-sinusoidal diffraction gratings, as low-cost alternative gratings for application in non-invasive optical tests. Gratings were generated with Matlab® software and made with various models of laser printers. A study of the discretization effects that depend on the symmetry in the sample was included, gratings were placed in the entrance pupil of a positive lens (illuminated by a collimated plane wave) to observe their Fourier transforms. It was found that diffraction patterns of various types of semi-sinusoidal profiles were very close to that of sinusoidal gratings. Gradual change in the size of printed ink spots was observed in more detail through a magnification of 40x. Additionally, an atomic force microscope was used to measure the roughness average of the impressions as to observe the behavior of the ink on the acetate.","PeriodicalId":359625,"journal":{"name":"Symposium on Optics in Industry","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114208237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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