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Vertical-type chiroptical spectrophotometer (I): Instrumentation and application to diffuse reflectance circular dichroism measurement
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10.1063/1.2952674
/content/aip/journal/rsi/79/7/10.1063/1.2952674
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/7/10.1063/1.2952674
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Block diagram of the vertical-type universal chiroptical spectrophotometer (UCS-2): Mo; monochrometor, ; polarizer, PM; pulse motor, St; stage controller, LA; lock-in amplifier, PMT1 and 2; photomultiplier for transmission and DR, P.P; photomultiplier power supply, and PC; personal computer.

Image of FIG. 2.
FIG. 2.

(A) Optical arrangement showing two alternative PEM positions (A and B) in UCS-2; Mo; monochromator, ; polarizer, ; right angle prism, PMT; photomultiplier tube, I; integrating sphere. (B) Transmission (upper) and DR (bottom) CD base lines of UCS-2 depending on the alternative PEM positions [A (dotted line) and B (solid line)].

Image of FIG. 3.
FIG. 3.

Efficiency curve calculated from transmission CD and DRCD spectra at constant high tension voltage applied to temperature. (Inset) Figure is adopted and modified from Ref. 16.

Image of FIG. 4.
FIG. 4.

DRCD and DRLD base line shifts of UCS-2; a (solid line): ideal Teflon diffuser, b (dotted line): lustrous paper, c (long dashed and short dashed line): filter paper, d (broken line): normal white paper.

Image of FIG. 5.
FIG. 5.

DRCD spectra of - (solid line) and -ACS (dotted line) microcrystallines pulverized to small particles. (Inset) Their transmittance CD spectra in solution state.

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/content/aip/journal/rsi/79/7/10.1063/1.2952674
2008-07-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Vertical-type chiroptical spectrophotometer (I): Instrumentation and application to diffuse reflectance circular dichroism measurement
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/7/10.1063/1.2952674
10.1063/1.2952674
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