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Optical constants

Refractive index of CdF2 (Cadmium fluoride)

Bosomworth 1967: k 45–1000 µm; 5 K

Data
tabulated k
Range
45.45–1000 µm
Points
211
Temperature
5 K
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength. Note: the source gives k only; n is not available.

At one wavelength

Range 45.45–1000 µm
Refractive index n
—
Extinction coefficient k
0.00231
Permittivity ε1
—
Permittivity ε2
—
Absorption coefficient α
1.36283 cm⁻¹
Penetration depth δ = λ/(2πk)
1.46753e+07 nm
Abbe number Vd
—
Chromatic dispersion dn/dλ
— µm⁻¹
Group index ng
—
Group velocity dispersion
— fs²/mm
Dispersion parameter D
— ps/(nm·km)
Photon energy
0.00582085 eV

ε = (n + ik)², α = 4πk/λ, ng = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.

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Comments and conditions

5 K

Conditions

temperature
5 K
Notes on the source data (kept exactly as published):
  • the source gives k only; n is not available

References

D. R. Bosomworth. Far-infrared optical properties of CaF2, SrF2, BaF2, and CdF2. Phys. Rev., 157, 709 (1967)
  • doi:10.1103/physrev.157.709 Far-Infrared Optical Properties of Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, Sr<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, Ba<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, and Cd<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, Physical Review (1967)

Cite

D. R. Bosomworth. Far-Infrared Optical Properties of Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, Sr<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, Ba<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>, and Cd<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>. Physical Review, 157, 709-715 (1967), doi:10.1103/physrev.157.709; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

211 rows as published
CSV comma separated TXT tab separated YAML n, k Full database record original YAML All quantities CSV JSON metadata
CdF2 (Cadmium fluoride), Bosomworth 1967: k 45–1000 µm; 5 K: n and k versus wavelength
λ (µm)k
45.4550.00895
45.6620.00935
45.8720.00997
46.0830.0108
46.2960.0118
46.5120.0134
46.7290.00907
46.9480.00928
47.170.00977
47.3930.0104
47.6190.0108
47.8470.0109
48.0770.0104
48.3090.00911
48.5440.00805
48.780.00662
49.020.00538
49.2610.00459
49.5050.00416
49.7510.00391
50.00.00374
50.2510.00357
50.5050.00341
50.7610.00329
51.020.00318
51.2820.00308
51.5460.00299
51.8130.00293
52.0830.00285
52.3560.00277
52.6320.00269
52.910.00261
53.1910.00253
53.4760.00245
53.7630.00237
54.0540.00229
54.3480.00221
54.6450.00212
54.9450.00203
55.2490.00195
55.5560.00186
55.8660.00178
56.180.0017
56.4970.00162
56.8180.00156
57.1430.00152
57.4710.00148
57.8030.00145
58.140.00142
58.480.00141
58.8240.0014
59.1720.00139
59.5240.0014
59.880.0014
60.2410.00142
60.6060.00146
60.9760.00152
61.350.00161
61.7280.00173
62.1120.00189
62.50.0021
62.8930.00223
63.2910.00229
63.6940.00229
64.1030.00225
64.5160.00211
64.9350.00192
65.3590.00174
65.7890.00166
66.2250.00159
66.6670.00153
67.1140.00149
67.5680.00145
68.0270.0014
68.4930.00137
68.9660.00135
69.4440.00132
69.930.0013
70.4230.00128
70.9220.00126
71.4290.00124
71.9420.00122
72.4640.00121
72.9930.0012
73.5290.00119
74.0740.00119
74.6270.00118
75.1880.00117
75.7580.00117
76.3360.00116
76.9230.00116
77.5190.00115
78.1250.00116
78.740.00116
79.3650.00116
80.00.00115
80.6450.00116
81.3010.00116
81.9670.00117
82.6450.00117
83.3330.00118
84.0340.00119
84.7460.0012
85.470.00121
86.2070.00122
86.9570.00123
87.7190.00125
88.4960.00126
89.2860.00129
90.090.00131
90.9090.00134
91.7430.00136
92.5930.00138
93.4580.0014
94.340.00143
95.2380.00145
96.1540.00148
97.0870.0015
98.0390.00152
99.010.00154
100.00.00156
101.010.00158
102.040.00161
103.090.00163
104.170.00165
105.260.00168
106.380.0017
107.530.00173
108.70.00175
109.890.00177
111.110.00179
112.360.00182
113.640.00184
114.940.00186
116.280.00189
117.650.00191
119.050.00193
120.480.00196
121.950.00198
123.460.002
125.00.00202
126.580.00205
128.210.00207
129.870.00209
131.580.00211
133.330.00213
135.140.00216
136.990.00218
138.890.0022
140.850.00222
142.860.00224
144.930.00225
147.060.00226
149.250.00228
151.520.0023
153.850.00232
156.250.00233
158.730.00234
161.290.00234
163.930.00234
166.670.00233
169.490.00233
172.410.00232
175.440.00232
178.570.00233
181.820.00233
185.190.00233
188.680.00234
192.310.00233
196.080.00233
200.00.00233
204.080.00232
208.330.00232
212.770.00231
217.390.00231
222.220.00231
227.270.00229
232.560.00227
238.10.00225
243.90.00223
250.00.00222
256.410.0022
263.160.00218
270.270.00216
277.780.00214
285.710.00211
294.120.00208
303.030.00204
312.50.002
322.580.00196
333.330.00193
344.830.0019
357.140.00187
370.370.00183
384.620.00179
400.00.00175
416.670.00172
434.780.00169
454.550.00166
476.190.00164
500.00.00161
526.320.00158
555.560.00155
588.240.00152
625.00.00149
666.670.00146
714.290.00144
769.230.00141
833.330.00138
909.090.0013
1000.00.00116