IG4 Refractive Index

Optical constants (n, k) of IG4, covering 1.00 – 2.10 μm wavelength range.

Range 1.000 – 2.100 μm
Data Points 11

Optical Constants at Key Wavelengths

1550 nm (Telecom)
n = 2.6583
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
1.00002.724900.00000
1.11002.702050.00000
1.22002.685970.00000
1.33002.674160.00000
1.44002.665210.00000
1.55002.658250.00000
1.66002.652720.00000
1.77002.648240.00000
1.88002.644560.00000
1.99002.641500.00000
2.10002.638920.00000

Sampled data (11 points total). Click "Download Full CSV" for complete data.

Notes

Room temperature. Refractive index is relative to air at standard conditions; Wavelength in dispersion formula is as measured in air and expressed in micrometers.

References

1) VITRON datasheet IG-4 June 2014
2) Dr. Rolf Henkel (VITRON Spezialwerkstoffe GmbH) - private communications

Related Materials (Specs)

4786 (NIKON i-line glass) 5165 (NIKON i-line glass) 5742 (NIKON i-line glass) 5859 (NIKON i-line glass) 7054 (NIKON i-line glass) acrylic double matching liquid

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