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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Block diagram of the proposed ATR system. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Configurations of pyro-electric detector array: (a) linear pattern, (b) zippered pattern. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Block diagram of electronic circuits. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Timing diagram for data acquisition of the pyro-electric linear-array sensor. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Control of light sources: (a) single source, (b) simultaneous irradiation and (c) alternative irradiation. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Developed ATR spectrophotometer [left in (a)] along with a smartphone [right in (a)] is 13.5×8.5×3.5 cm3, (b) the interfaces, DC input, serial port, and USB port. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Water measurement: (a) reference (air), (b) water, (c) transmission of water, (d) absorbance of water. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Measurement of 1000 mg/dl urea solution in terms of the number of scans. (a) 20 scans, (b) 50 scans, (c) 100 scans, (d) 100 scans with filtering. Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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Date of download: 6/3/2016 Copyright © 2016 SPIE. All rights reserved. Absorbance measurement of urea solutions with respect to various concentrations: (a) our developed ATR, (b) a laboratory ATR spectrophotometer (Bruker TENSER 27™). Figure Legend: From: Development of an ultra-compact mid-infrared attenuated total reflectance spectrophotometer Opt. Eng. 2014;53(7):074108. doi:10.1117/1.OE.53.7.074108
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