EKHI

Curve 1

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.694 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Polycrystalline; data extracted from smooth curve.

Wavelength / 𝜇m	Reflectance /
0.325	0.055
0.339	0.07
0.352	0.09
0.359	0.11
0.367	0.138
0.371	0.159
0.374	0.186
0.381	0.279
0.386	0.368
0.393	0.506
0.397	0.645
0.4	0.788
0.402	0.863
0.408	0.92
0.416	0.956
0.421	0.975
0.428	0.988
0.435	0.995
0.448	0.995
0.465	0.981
0.471	0.972
0.526	0.954
0.653	0.934
0.694	0.924

Curve 2

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.694 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Similar to the above specimen and conditions except sintered at 1473 K.

Wavelength / 𝜇m	Reflectance /
0.325	0.096
0.338	0.089
0.344	0.089
0.352	0.1
0.36	0.116
0.367	0.14
0.371	0.163
0.379	0.211
0.385	0.291
0.391	0.444
0.394	0.584
0.398	0.654
0.408	0.744
0.418	0.808
0.437	0.879
0.46	0.922
0.486	0.944
0.513	0.948
0.595	0.94
0.632	0.926
0.673	0.9
0.694	0.876

Curve 3

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.694 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Similar to the above specimen and conditions except sintered at 1513 K.

Wavelength / 𝜇m	Reflectance /
0.325	0.136
0.336	0.12
0.347	0.11
0.355	0.11
0.362	0.115
0.37	0.13
0.378	0.16
0.383	0.196
0.389	0.267
0.396	0.465
0.404	0.6
0.417	0.72
0.428	0.778
0.443	0.834
0.461	0.879
0.476	0.903
0.496	0.918
0.556	0.931
0.599	0.929
0.636	0.914
0.668	0.893
0.694	0.864

Curve 4

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.697 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Similar to the above specimen and conditions except sintered at 1553 K.

Wavelength / 𝜇m	Reflectance /
0.325	0.175
0.338	0.156
0.358	0.141
0.37	0.135
0.376	0.14
0.382	0.159
0.388	0.196
0.391	0.23
0.397	0.344
0.401	0.396
0.411	0.46
0.422	0.513
0.436	0.553
0.451	0.585
0.484	0.625
0.55	0.67
0.683	0.735
0.679	0.782

Curve 5

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.697 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Similar to the above specimen and conditions except sintered at 1613 K.

Wavelength / 𝜇m	Reflectance /
0.325	0.165
0.342	0.141
0.355	0.132
0.369	0.126
0.383	0.134
0.404	0.162
0.42	0.202
0.437	0.256
0.45	0.314
0.467	0.358
0.489	0.396
0.533	0.434
0.609	0.512
0.638	0.543
0.67	0.573
0.697	0.59

Curve 6

Temperature, K: ~298 Wavelength Range, µm: 0.325-0.696 Geometry θ'ω': ~0° 2π Composition (weight percent), Specifications, and Remarks: Similar to the above specimen and conditions except sintered at 1633 K.

Wavelength / 𝜇m	Reflectance /
0.325	0.113
0.339	0.104
0.363	0.107
0.377	0.107
0.386	0.117
0.394	0.128
0.398	0.148
0.409	0.242
0.417	0.299
0.432	0.356
0.442	0.387
0.463	0.426
0.496	0.455
0.552	0.505
0.617	0.567
0.675	0.618
0.696	0.625

Absolute Reflective Spectra of Ceramic Barium Titanate