polyethylene terephthalate Refractive Index

Optical constants (n, k) of polyethylene terephthalate, covering 0.40 – 2.20 μm wavelength range.

Range 0.400 – 2.197 μm
Data Points 181

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)
n = 1.5653
k = 0.0000
589.3 nm (Na-D)
n = 1.5690
k = 0.0000
532 nm
n = 1.5763
k = 0.0000
1550 nm (Telecom)
n = 1.5426
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
0.40001.610270.00000
0.44001.595280.00000
0.48001.584960.00000
0.52001.577690.00000
0.56001.571940.00000
0.60001.568110.00000
0.64001.564780.00000
0.68001.561990.00000
0.72001.559330.00000
0.76001.557950.00000
0.80001.555330.00000
0.84001.554620.00000
0.88001.553300.00001
0.92001.552330.00001
0.96001.551540.00000
1.00001.550730.00001
1.04001.548700.00000
1.08001.547850.00000
1.12001.547180.00000
1.16001.546670.00000
1.20001.546350.00000
1.24001.545660.00000
1.28001.544860.00000
1.32001.544340.00000
1.36001.543970.00001
1.40001.543350.00001
1.44001.543800.00001
1.48001.543270.00000
1.52001.542680.00000
1.56001.542140.00000
1.60001.541670.00000
1.64001.541270.00003
1.68001.542100.00006
1.72001.541380.00004
1.76001.541260.00003
1.80001.540770.00002
1.84001.540380.00002
1.88001.540260.00002
1.92001.540060.00004
1.96001.539650.00003
2.00001.539970.00002
2.03811.627430.00003
2.07731.567280.00005
2.11801.539890.00010
2.15681.538940.00012
2.19701.542760.00008

Sampled data (181 points total). Click "Download Full CSV" for complete data.

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