EKHI

Materials

Curve 1

Temperature K: 300 Wavelength Range, µm: 83.3-300 Geometry θ θ' ω': ~0° ~0° Composition (weight percent), Specifications, and Remarks: Irtran 3 (2 mm thick) from Eastman Kodak Co.

Wavelength / 𝜇m	Transmittance /
83.3	0.01
100.0	0.01
125.0	0.01
166.7	0.02
200.0	0.04
300.0	0.25

Curve 1

Temperature K: 300 Wavelength Range, µm: 83.3-300.0 Geometry θ θ' ω': ~0°~0° Composition (weight percent), Specifications, and Remarks: Irtran 1 (2 mm thick) from Eastman Kodak Co.

Wavelength / 𝜇m	Transmittance /
80.3	0.01
100	0.03
125	0.05
166.7	0.2
200	0.27
300	0.48

Curve 1

Temperature K: 300 Wavelength Range, μm: 33.3-300 Geometry θ' θ'': ~0°-0° Composition (weight percent), Specifications, and Remarks: Irtran 2 (2.40 mm thick) manufactured by Eastman Kodak Co.; polished optically flat to within five green mercury fringes and a parallelism tolerance of ± 2.5 μm; data extracted from smooth curve.

Wavelength / 𝜇m	Transmittance /
83.3	0.01
100	0.04
125	0.1
166.7	0.25
200	0.32
300	0.4

Transmission of irtran materials from 50 μ to 300 μ