GaAs(CRYSTRAN) Refractive Index

Optical constants (n, k) of GaAs(CRYSTRAN), covering 1.03 – 2.07 μm wavelength range.

Range 1.033 – 2.066 μm
Data Points 3

Optical Constants at Key Wavelengths

1550 nm (Telecom)
n = 3.3737
k = 0.0000

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)nk
1.03303.492000.00001
1.55003.373700.00000
2.06603.338000.00000

Sampled data (3 points total). Click "Download Full CSV" for complete data.

Notes

Gallium Arsenide has specialist applications in far IR optics and lens systems.

Gallium Arsenide is produced by Czochralski or horizontal Bridgeman crystal growth techniques.

As it is arsenic bearing, precautions in handling and working should be observed.

REFERENCES:

(1) Handbook Optical Constants, ed Palik, V1, ISBN 0-12-544420-6

(2) Deutch, J.Electron. Mater. V4 p679

(3) Sze, Physics of Semiconductor Devices, Wiley 1981

(4) M.Cadona. Proc. Int Conf. Semi. Phys. 1960 p.388. Note: dn/dT = n x (4.5 +/-0.2)x10-5 °K-1

References

Crystran Ltd. The Crystran handbook of infra-red and ultra-violet optical materials (5th edition, 2023)
See also Crystran GaAs online data sheet

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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