Peter Liebetraut, Philipp Waibel, Phuong Ha Cu Nguyen, Patrick Reith, Bernd Aatz, and Hans Zappe, "Optical properties of liquids for fluidic optics," Appl. Opt. 52, 3203-3215 (2013)
We present the dispersion characteristics of 18 liquids and one resin, which are
widely used as media for liquid lenses in adaptive and tunable optics and for
index matching in spectrochemical analysis. These are measured by using a
refractometer operating at six different wavelengths. We provide a short
description of the measurement setup and present a detailed uncertainty analysis
of the measurement system to provide a measure of the reliability of the data.
We conclude with a catalog of refractive indices and Sellmeier coefficients of
the measured liquids and show the location of the analyzed materials in an Abbe
diagram.
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This table only includes data
from literature that is measured at three wavelengths at least, most
commonly Fraunhofer lines ,
,
and .
In particular, data on
2-ethylnaphthalene is absent in that series and provided by the
present work.
Comprehensive and recent overview of various crystals included here
for reference.
Table 2.
Wavelengths of the Fraunhofer Lines for Calculating the Abbe Numbers
[8]
Spectral Line
Wavelength (nm)
479.991
486.132
587.562
589.294
546.074
656.273
643.847
Table 3.
Overview of the Laser Diodes Used and Their Respective Emitting
Wavelengthsa
Spectrometer: Ando AQ-6315A, Ando Corporation; measured at an ambient
temperature of .
Limited by spectrometer accuracy 0.5 nm at .
Limited by spectrometer resolution 0.05 nm at
.
Table 4.
Sellmeier Coefficients of the Prism Glasses Used [43]a
Glass Type
N-BK7
1.1.03961212
0.00600069867
0.231792344
0.0200179144
1.01046945
103.560653
N-SF15
1.57055634
0.0116507014
0.218987094
0.0597856897
1.50824017
132.709339
N-SF66
2.0245976
0.0147053225
0.470187196
0.0692998276
2.59970433
161.817601
The refractive index can be calculated by expanding Eq. (6) to
.
Table 5.
Comparison of the Measured Refractive Index of Toluene with Data from the
Literaturea
data taken from Sigma-Aldrich chemicals catalog.
Reference from Arladite 2020 data sheet. Wavelength not
specified.
Reference from Cargille data sheet.
Tables (7)
Table 1.
Summary of Literature on the Optical Dispersion
of Liquids and Solidsa
This table only includes data
from literature that is measured at three wavelengths at least, most
commonly Fraunhofer lines ,
,
and .
In particular, data on
2-ethylnaphthalene is absent in that series and provided by the
present work.
Comprehensive and recent overview of various crystals included here
for reference.
Table 2.
Wavelengths of the Fraunhofer Lines for Calculating the Abbe Numbers
[8]
Spectral Line
Wavelength (nm)
479.991
486.132
587.562
589.294
546.074
656.273
643.847
Table 3.
Overview of the Laser Diodes Used and Their Respective Emitting
Wavelengthsa
Spectrometer: Ando AQ-6315A, Ando Corporation; measured at an ambient
temperature of .
Limited by spectrometer accuracy 0.5 nm at .
Limited by spectrometer resolution 0.05 nm at
.
Table 4.
Sellmeier Coefficients of the Prism Glasses Used [43]a
Glass Type
N-BK7
1.1.03961212
0.00600069867
0.231792344
0.0200179144
1.01046945
103.560653
N-SF15
1.57055634
0.0116507014
0.218987094
0.0597856897
1.50824017
132.709339
N-SF66
2.0245976
0.0147053225
0.470187196
0.0692998276
2.59970433
161.817601
The refractive index can be calculated by expanding Eq. (6) to
.
Table 5.
Comparison of the Measured Refractive Index of Toluene with Data from the
Literaturea
data taken from Sigma-Aldrich chemicals catalog.
Reference from Arladite 2020 data sheet. Wavelength not
specified.
Reference from Cargille data sheet.