Optical constants

Refractive index of Cu:C12H4N4 (Copper:tetracyanoquinodimethane, Cu:TCNQ )

Querry 1985: n,k 0.21–55.6 µm

Data
tabulated nk
Range
0.21–55.56 µm
Points
612
Licence
CC0-1.0

Plot

Click the plot to set the calculator wavelength.

At one wavelength

Range 0.21–55.56 µm
Refractive index n
1.5552
Extinction coefficient k
0.1086
Permittivity ε1
2.40685
Permittivity ε2
0.337789
Absorption coefficient α
23225.1 cm⁻¹
Penetration depth δ = λ/(2πk)
861.137 nm
Abbe number Vd
—
Chromatic dispersion dn/dλ
-0.5 µm⁻¹
Group index ng
1.849
Group velocity dispersion
— fs²/mm
Dispersion parameter D
— ps/(nm·km)
Photon energy
2.11001 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.

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith
import lightsmith as ls

# Cu:C12H4N4 (Copper:tetracyanoquinodimethane, Cu:TCNQ ): Querry 1985: n,k 0.21–55.6 µm
cu_c12h4n4 = ls.fetch_refractiveindex("other", "Cu-C12H4N4", "Querry", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cu_c12h4n4.range_nm)  # (210, 55555.6) nm
eps = cu_c12h4n4.eps([633])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

Comments and conditions

Copper:Tetracyanoquinodimethane (Cu:TCNQ).

References

M. R. Querry. Optical constants, Contractor Report CRDC-CR-85034 (1985)

Cite

M. R. Querry. Optical constants, Contractor Report CRDC-CR-85034 (1985); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

612 rows as published
Cu:C12H4N4 (Copper:tetracyanoquinodimethane, Cu:TCNQ ), Querry 1985: n,k 0.21–55.6 µm: n and k versus wavelength
λ (µm)nk
0.211.5120.125
0.221.5280.114
0.231.5560.102
0.241.570.069
0.251.5570.04
0.261.540.026
0.271.520.014
0.281.4930.005
0.291.4550.005
0.31.4120.026
0.311.3830.064
0.321.3620.107
0.331.350.159
0.341.3560.221
0.351.3840.279
0.361.4250.328
0.371.4850.368
0.381.5580.383
0.391.6270.374
0.41.6890.344
0.411.7310.294
0.421.7430.253
0.431.7680.223
0.441.7870.167
0.451.7730.106
0.461.7330.069
0.471.6990.058
0.481.6740.054
0.491.6540.054
0.51.6380.056
0.511.6240.058
0.521.6120.061
0.531.6010.065
0.541.590.07
0.551.580.077
0.561.5720.085
0.571.5660.093
0.581.5590.101
0.591.5540.111
0.61.5510.121
0.611.5490.132
0.621.5490.144
0.631.5510.155
0.641.5550.163
0.651.5580.17
0.661.5620.178
0.671.5660.185
0.681.5720.191
0.691.5770.195
0.71.5820.199
0.711.5870.202
0.72041.5910.206
0.731.5950.208
0.741.5990.211
0.751.6030.213
0.761.6070.215
0.771.610.218
0.781.6130.22
0.791.6170.221
0.81.6190.223
0.811.6220.227
0.821.6240.229
0.831.6270.233
0.841.6320.238
0.851.6380.24
0.861.6420.243
0.871.6480.245
0.881.6540.247
0.891.6590.248
0.91.6660.249
0.911.6710.248
0.921.6750.248
0.931.6810.248
0.941.6870.246
0.951.6920.244
0.961.6950.241
0.971.6980.24
0.981.7020.238
0.991.7050.235
1.01.7070.234
1.011.710.231
1.021.7110.229
1.031.7130.226
1.041.7140.225
1.051.7160.222
1.061.7170.22
1.071.7170.218
1.081.7160.217
1.091.7170.215
1.11.7150.214
1.111.7140.215
1.121.7150.216
1.131.7170.216
1.141.7170.215
1.151.7180.214
1.161.7170.213
1.171.7160.214
1.181.7150.214
1.191.7140.215
1.21.7140.218
1.211.7160.219
1.221.7160.219
1.231.7160.22
1.241.7170.221
1.251.7170.222
1.261.7170.223
1.271.7180.224
1.281.7170.225
1.291.7180.227
1.31.7180.228
1.311.7180.23
1.321.7190.232
1.331.7190.233
1.341.7190.236
1.351.720.238
1.361.7220.241
1.371.7230.243
1.381.7240.245
1.391.7250.247
1.41.7270.25
1.411.7290.251
1.421.7310.254
1.431.7330.256
1.441.7350.258
1.451.7370.259
1.461.7390.262
1.471.7420.264
1.481.7430.265
1.491.7460.267
1.51.7490.269
1.511.7520.27
1.521.7540.27
1.531.7530.271
1.541.7540.277
1.551.760.279
1.561.7630.28
1.571.7660.281
1.581.7660.282
1.591.7690.288
1.61.7750.288
1.611.7780.289
1.621.7820.29
1.631.7850.292
1.641.7890.293
1.651.7920.293
1.661.7950.295
1.671.7990.296
1.681.8030.297
1.691.8070.297
1.71.8110.299
1.711.8150.299
1.721.8190.3
1.731.8230.3
1.741.8270.299
1.751.8310.3
1.761.8350.3
1.771.8390.299
1.781.8430.299
1.791.8480.298
1.81.850.295
1.811.8510.296
1.821.8560.299
1.831.8630.298
1.841.8680.295
1.851.8710.29
1.861.870.289
1.871.870.291
1.881.8760.295
1.891.8830.294
1.91.8870.292
1.911.8920.29
1.921.8960.289
1.931.90.287
1.941.9040.284
1.951.9070.282
1.961.9110.28
1.971.9140.278
1.981.9170.276
1.991.920.274
2.01.9240.273
2.011.9280.269
2.021.9310.267
2.031.9340.264
2.041.9370.261
2.051.9390.258
2.061.9420.256
2.071.9450.253
2.081.9490.251
2.091.9520.247
2.11.9540.243
2.111.9560.239
2.121.9570.235
2.131.9590.233
2.141.9610.231
2.151.9640.227
2.161.9650.223
2.171.9660.22
2.181.9670.217
2.191.9690.214
2.21.970.21
2.211.970.207
2.221.9720.204
2.231.9730.201
2.241.9740.198
2.251.9750.194
2.261.9750.191
2.271.9750.189
2.281.9770.186
2.291.9770.183
2.31.9770.18
2.311.9780.176
2.321.9780.174
2.331.9790.17
2.341.9780.167
2.351.9780.164
2.361.9770.161
2.371.9770.158
2.381.9770.155
2.391.9760.152
2.41.9740.149
2.411.9730.147
2.421.9720.145
2.431.9710.144
2.441.970.142
2.451.9680.14
2.461.9670.14
2.471.9670.138
2.481.9660.137
2.491.9650.136
2.51.9660.137
2.50631.9680.137
2.51261.9690.135
2.51891.9690.133
2.52531.9690.131
2.53161.9690.13
2.53811.970.128
2.54451.9690.126
2.5511.9670.124
2.55751.9650.124
2.56411.9650.124
2.57071.9650.124
2.57731.9660.123
2.5841.9670.121
2.59071.9660.119
2.59741.9650.118
2.60421.9640.117
2.6111.9630.116
2.61781.9630.116
2.62471.9630.115
2.63161.9640.114
2.63851.9630.111
2.64551.9620.11
2.65251.960.11
2.65961.9590.111
2.66671.960.11
2.67381.9610.109
2.6811.960.107
2.68821.9590.106
2.69541.9590.105
2.70271.9570.104
2.711.9560.105
2.71741.9560.106
2.72481.9570.106
2.73221.9590.105
2.73971.9590.103
2.74731.9590.102
2.75481.9590.1
2.76241.9590.098
2.77011.9570.097
2.77781.9550.096
2.78551.9540.097
2.79331.9550.098
2.80111.9560.098
2.8091.9570.097
2.81691.9580.095
2.82491.9580.092
2.83291.9580.09
2.84091.9570.089
2.8491.9570.089
2.85711.9570.087
2.86531.9570.085
2.87361.9560.083
2.88181.9540.081
2.89021.9530.082
2.89861.9530.081
2.9071.9530.08
2.91551.9530.078
2.9241.9520.076
2.93261.9510.074
2.94121.9490.073
2.94991.9480.073
2.95861.9470.073
2.96741.9480.072
2.97621.9470.07
2.98511.9460.069
2.9941.9440.068
3.0031.9430.067
3.0121.9420.066
3.02111.9410.066
3.03031.940.065
3.03951.9390.064
3.04881.9380.063
3.05811.9370.062
3.06751.9360.061
3.07691.9350.06
3.08641.9330.06
3.0961.9320.06
3.10561.9310.06
3.11531.9310.059
3.1251.930.058
3.13481.9280.057
3.14471.9270.057
3.15461.9260.056
3.16461.9250.056
3.17461.9230.056
3.18471.9220.056
3.19491.9220.056
3.20511.9210.055
3.21541.9190.054
3.22581.9170.053
3.23621.9150.053
3.24681.9110.053
3.25731.9080.057
3.2681.9090.062
3.27871.9140.064
3.28951.9180.061
3.30031.9180.056
3.31131.9150.053
3.32231.9110.053
3.33331.9090.054
3.34451.9080.055
3.35571.9080.056
3.3671.9070.055
3.37841.9060.056
3.38981.9050.057
3.40141.9050.057
3.4131.9050.058
3.42471.9060.057
3.43641.9050.055
3.44831.9030.055
3.46021.9010.055
3.47221.9010.056
3.48431.90.057
3.49651.9010.058
3.50881.9010.058
3.52111.9010.057
3.53361.90.055
3.54611.8980.056
3.55871.8970.057
3.57141.8980.057
3.58421.8980.056
3.59711.8970.056
3.61011.8960.055
3.62321.8940.056
3.63641.8930.057
3.64961.8930.058
3.6631.8930.058
3.67651.8930.057
3.691.8920.058
3.70371.8920.059
3.71751.8920.058
3.73131.8920.058
3.74531.890.058
3.75941.890.059
3.77361.8910.059
3.78791.8910.058
3.80231.890.057
3.81681.8880.057
3.83141.8870.058
3.84621.8870.059
3.8611.8880.059
3.8761.8880.058
3.89111.8860.057
3.90631.8840.058
3.92161.8840.059
3.9371.8850.059
3.95261.8850.058
3.96831.8840.058
3.98411.8830.058
4.01.8830.058
4.01611.8830.058
4.03231.8820.057
4.04861.8810.057
4.0651.880.057
4.08161.8780.057
4.09841.8770.057
4.11521.8760.059
4.13221.8760.059
4.14941.8760.058
4.16671.8750.057
4.18411.8730.056
4.20171.870.057
4.21941.8680.058
4.23731.8670.059
4.25531.8660.06
4.27351.8650.061
4.29181.8640.061
4.31031.8620.06
4.3291.860.06
4.34781.8560.061
4.36681.8520.062
4.3861.8490.065
4.40531.8460.067
4.42481.8420.067
4.44441.8330.066
4.46431.8170.066
4.48431.7890.098
4.50451.7990.124
4.52491.7720.177
4.54551.8820.253
4.56621.9590.158
4.58721.9250.123
4.60831.9220.125
4.62961.9350.111
4.65121.930.094
4.67291.9220.086
4.69481.9160.082
4.7171.9140.08
4.73931.9120.076
4.76191.9070.072
4.78471.9030.071
4.80771.90.071
4.83091.8970.069
4.85441.8930.071
4.8781.8930.074
4.9021.8930.071
4.92611.8910.072
4.95051.8880.072
4.97511.8860.076
5.01.8880.081
5.02511.8950.081
5.05051.8940.075
5.07611.8940.074
5.1021.8920.073
5.12821.8910.072
5.15461.890.072
5.18131.8890.071
5.20831.8870.072
5.23561.8880.072
5.26321.8880.072
5.2911.8880.07
5.31911.8860.07
5.34761.8850.07
5.37631.8850.07
5.40541.8840.069
5.43481.8820.07
5.46451.8820.069
5.49451.8790.069
5.52491.8790.071
5.55561.880.07
5.58661.8770.069
5.6181.8760.07
5.64971.8740.068
5.68181.8710.07
5.71431.8690.07
5.74711.8670.072
5.78031.8660.073
5.8141.8640.076
5.8481.8640.076
5.88241.8610.077
5.91721.8590.081
5.95241.8590.082
5.9881.8570.085
6.02411.8560.087
6.06061.8560.087
6.09761.8540.088
6.1351.850.088
6.17281.8430.09
6.21121.8320.097
6.251.8230.112
6.28931.8170.144
6.32911.8540.178
6.36941.8990.157
6.41031.8920.122
6.45161.8720.14
6.49351.9050.143
6.53591.9010.108
6.57891.8410.098
6.62251.8590.228
6.66672.0080.17
6.71141.9470.087
6.75681.9260.088
6.80271.9160.084
6.84931.9030.079
6.89661.8910.083
6.94441.8840.089
6.9931.8790.093
7.04231.8750.096
7.09221.870.101
7.14291.8680.101
7.19421.8540.102
7.24641.8420.112
7.29931.8110.118
7.35291.7820.214
7.40741.8890.264
7.46271.9170.223
7.51881.9550.232
7.57581.9910.191
7.63361.9880.156
7.69231.9790.138
7.75191.9720.128
7.81251.9640.123
7.8741.9620.123
7.93651.9630.117
8.01.9570.109
8.06451.9450.113
8.13011.9540.122
8.19671.9590.105
8.26451.9360.1
8.33331.9170.118
8.40341.9160.169
8.47461.9890.194
8.5472.0280.139
8.62072.0180.106
8.69572.0090.091
8.77191.9990.081
8.84961.9920.079
8.92861.9920.078
9.0091.9950.069
9.09091.9890.057
9.17431.980.053
9.25931.9750.048
9.34581.9680.044
9.4341.960.04
9.52381.950.04
9.61541.9420.044
9.70871.9370.046
9.80391.9270.055
9.9011.9340.062
10.01.9180.059
10.1011.9340.085
10.20411.9510.064
10.30931.9370.065
10.41671.9310.066
10.52631.9390.063
10.63831.9350.063
10.75271.9340.064
10.86961.9320.062
10.9891.9290.062
11.11111.9240.063
11.2361.9190.063
11.36361.910.062
11.49431.8570.086
11.62791.9270.171
11.76471.9890.084
11.90481.930.07
12.04821.9190.129
12.19511.990.123
12.34571.970.074
12.51.9640.073
12.65821.9560.07
12.82051.9490.075
12.9871.9540.078
13.15791.9510.073
13.33331.9470.077
13.51351.9470.08
13.69861.950.087
13.88891.9590.086
14.08451.9620.084
14.28571.9670.078
14.49281.9660.073
14.70591.9650.069
14.92541.960.065
15.15151.9550.065
15.38461.9510.069
15.6251.9490.079
15.8731.960.086
16.1291.9730.078
16.39341.9730.064
16.66671.9660.06
16.94921.960.055
17.24141.950.062
17.54391.9550.067
17.85711.9550.065
18.18181.9560.066
18.51851.9540.063
18.86791.9510.064
19.23081.950.062
19.60781.940.059
20.01.930.067
20.40821.90.058
20.83331.870.198
21.27662.0720.202
21.73912.0330.052
22.22222.0010.061
22.72731.9910.059
23.25581.9830.059
23.80951.9760.061
24.39021.9750.065
25.01.9740.067
25.6411.9740.07
26.31581.9740.071
27.0271.9740.077
27.77781.9810.08
28.57141.9860.077
29.41181.990.078
30.3031.9950.074
31.251.9990.068
32.25811.9990.061
33.33331.9940.056
34.48281.9920.055
35.71431.9880.048
37.0371.9770.046
38.46151.9670.051
40.01.9490.057
41.66671.9230.081
43.47831.9230.172
45.45452.0680.197
47.6192.0840.067
50.02.0350.067
52.63162.0240.08
55.55562.0480.082

Optical transmission calculator

Free-standing sample in vacuum, normal incidence
Method
Transmittance T
—
Reflectance R
—

Fresnel reflection calculator

Direction
Rp
—
Rs
—
R = (Rp+Rs)/2
—
Phase φp
—
Phase φs
—
Brewster angle θB
—
Critical angle θC
—