Transmission spectra of the samples were taken on a Perkin Elmer FTIR spectrometer run with a step size of 0.125 cm−1 over the wavenumber range of 16,667 to 400 cm−1 (i.e., wavelength range of 0.67 to 25 µm) and over a temperature range of 78 K to 450 K. A representative spectrum taken at room temperature is shown in Fig. This site uses cookies. Industrial & Engineering Chemistry Research. Click here to learn more. However these measurements were performed over a limited temperature and wavelength range (295 to 395 K, 1 to 5.5 µm). Matthias P. L. Sentis, Fabrice R. A. Onofri, Fabrice Lamadie. The deviation from experiment was small in all cases, but it was most pronounced in the case of the 1.559 µm pump. )(2) The refractive index is a function of the wavelength. How Dissociation of Carboxylic Acid Groups in a Weak Polyelectrolyte Brush Depend on Their Distance from the Substrate. The International Bureau of Weights and Measures (BIPM) was set up by the Metre Convention and has its headquarters near Paris, France. These metrics are regularly updated to reflect usage leading up to the last few days. Temperature Coefficient = (nD1 – nD2)/(T1-T2) where : nD1 = Refractive Index of sample at temperature 1 nD2 = Refractive Index of sample at temperature 2 T1 = Temperature of Refractive Index reading 1 T2 = Temperature of Refractive Index reading 2 The temperature coefficient is almost always a negative number, in other words, refractive index You’ve supercharged your research process with ACS and Mendeley! M. Born and E. Wolf, Principles of Optics, 7th ed. Phys. Fabrication of Phys. Institutional subscribers have access to the current volume, plus a (38)): Fig. Vinh Tran, Sujit K. Sahoo, Dong Wang, Cuong Dang. Pengfei Wang, Liyuan Liu, Xiangchao Wang, Jianbing Zhang, Wei Qi, Hongwei Zhao, Zhen Tian, Mingxia He. Please note: If you switch to a different device, you may be asked to login again with only your ACS ID. All Rights Reserved, Only if other resources available (images, video, datasets), • Use these formats for best results: Smith or J Smith, Transmission spectrum of a GaP wafer at 295 K, Calculated sample thickness at 295 K, dividing. the Altmetric Attention Score and how the score is calculated. (Cambridge University Press, 1999). 10(7), 1683 (1971). Jintana Suwanrut, Nattapong Chantipmanee, Wichayaporn Kamsong, Supatana Buking, Thitirat Mantim, Phoonthawee Saetear, Duangjai Nacapricha. According to the experimental results, the empirical expressions of the refractive indices in terms of both concentration and temperature were derived for the six solutions. The temperature dependent Sellmeier equation for GaP, given by Eq. Form and we will follow up with your librarian or Institution on your behalf. Miguel Vazquez-Pufleau, Paul M. Winkler. D. J. Creeden, P. Schunemann, L. Pomeranz, K. Snell, and S. D. Setzler, “Long-wave Infrared Parametric Generation and Amplification in Orientation Patterned GaP ” in Advanced Solid State Lasers, OSA Technical Digest (2016), paper ATu5A. You do not need to reset your password if you login via Athens or an Institutional login. [2]], then the ratio (n(λ)d)FTIR / n(λ)Eq. Fig. Temperature-dependent Sellmeier fit coefficientsa. The dependence of refractive index on the concentration and temperature in six kinds of aqueous solutions was investigated. [CrossRef], 2. (3), although it should be pointed out that adding a wavelength-independent offset in the refractive index will yield the same phase matching curves.) Saawan K. Bag, Meher Wan, Rajat K. Sinha, Shailendra K. Varshney. The practical temperature scale has also been revised and the carbon dioxide content of normal laboratory air has increased. By continuing to use this site you agree to our use of cookies. The temperature dependence values of the generated wavelengths in nonlinear frequency conversion calculated using this equation match well the experimentally measured values. References. Table 2. Zelmon., “1064-nm-Pumped Mid-Infrared Optical Parametric Oscillator Based on Orientation-Patterned Gallium Phosphide (OP-GaP),” in CLEO:2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper SW3O.4. Two basic methods for calculating the refractive index are available here--an equation developed by Ciddor 1 and an updated version of the Edlén equation 2,3,4 as modified by Birch and Downs and with an additional modification of our own. The signal and idler wavelength pairs (in µm) predicted by Eq. Detecting phase transitions in a CaCl_2–H_2O system at low temperatures using a fiber-optic Fresnel reflection sensor. 38(9), 3551–3556 (1967). Ideally, if the samples were identical in all but thickness, the n(λ)d product determined from the measured fringe spectra (using Eq. Using Mie Scattering to Determine the Wavelength-Dependent Refractive Index of Polystyrene Beads with Changing Temperature. Ali Sedaghat Doost, Christian V. Stevens, Myriam Claeys. From the frequency dependent expression for the dielectric constant given in Ref. 10, 1224–1226 (1976). Mater. Irina Yu. essential oil nanoemulsions stabilized using Quillaja Saponin biosurfactant. P. G. Schunemann, L. A. Pomeranz, and D. J. Magarrell, “First OPO Based on Orientation-Patterned Gallium Phosphide (OP-GaP)”, in CLEO:2015, OSA Technical Digest (Optical Society of America, 2015), paper SW3O.1. Optical path length (OPL) is the product of the geometric length d of the path light follows through a system, and the index of refraction of the medium through which it propagates, L. A. Pomeranz, P. G. Schunemann, D. J. Magarrell, J. C. McCarthy, K. T. Zawilski, and D. E. 1. (Cambridge University Press, 1999). Resolution Enhancement of Plasmonic Sensors by Metal-Insulator-Metal Structures. The predicted and measured values were in good correspondence with one another, indicating that the Sellmeier equation is reliable. 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Learn more. The dispersion formula for refractive index of GaP was also given in Ref. Effect of Ions and Ionic Strength on Surface Plasmon Absorption of Single Gold Nanowires. This principal refractive index is usually denoted as n. d. [Crossref], D. F. Parsons and P. D. Coleman, “Far Infrared Optical Constants of Gallium Phosphide,” Appl. [2], a Sellmeier equation with four poles has been derived for GaP: Experimental results are available in the literature describing the frequency conversion of pump wavelengths of 1.064 µm, 1.559 µm, and 2.09 µm in orientation patterned GaP (OP-GaP) crystals fabricated with grating spacings of 20.8 µm, 61.1 µm, and 92.7 µm, respectively, based on the index values given in Eq. The six solutions were three electrolyte solutions (NaCl, KCl, and CaCl2), a polar solution (glucose solution), a nonpolar solution (ethyl acetate solution), and a protein solution (bovine serum albumin solution). 1, over a limited spectral range for clarity. and its dyes. Domarin Khago, Jan C Bierma, Kyle W Roskamp, Natalia Kozlyuk, Rachel W Martin. [Crossref], T. Skauli, P. S. Kuo, K. L. Vodopyanov, T. J. Pinguet, O. Levi, L. A. Eyres, J. S. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Improved dispersion relations for GaAs and applications to nonlinear optics,” J. Appl. Soc. P. J. Measurement technique 94(10), 6447–6455 (2003). Turbulence statistics in a negatively buoyant multiphase plume. Ca2+ Your Mendeley pairing has expired. The Edlén equation for the refractive index of air, published in 1966, is still widely used. The BIPM has an international staff of over 70 and its status vis-à-vis the French Government is similar to that of other intergovernmental organizations based in Paris. T. Skauli, P. S. Kuo, K. L. Vodopyanov, T. J. Pinguet, O. Levi, L. A. Eyres, J. S. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Improved dispersion relations for GaAs and applications to nonlinear optics,” J. Appl.
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