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Optical constants of Y3Al5O12 (Yttrium aluminium garnet, YAG)
Franta et al. 2021: n,k 0.120–400 µm

Wavelength: µm
 (0.119914–400.286)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Comments

Single-crystal Y3Al5O12; Heterogenous data processing combining ellipsometric and spectrophotometric measurements with refractive index data (Zelmon et al. 1998); 2 mm thick plate; Room temperature.

References

D. Franta, M.-G. Mureșan. Wide spectral range optical characterization of yttrium aluminum garnet (YAG) single crystal by universal dispersion model, Opt. Mater. Express 11, 3930–3945 (2021) (Numerical data kindly provided by Daniel Franta)

Data

[CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

About Yttrium aluminium garnet

Yttrium aluminium garnet (Y3Al5O12, YAG) is a synthetic crystalline material frequently employed in a variety of applications. It possesses a unique combination of high thermal stability, mechanical robustness, and optical clarity, making it particularly desirable for high-performance environments. In the realm of optics and photonics, YAG is often used as the host crystal in solid-state lasers, most notably the Nd:YAG laser where the YAG crystal is doped with neodymium. These lasers are employed in a range of settings, from medical procedures to material processing. Additionally, undoped YAG is a common substrate for various thin-film applications, given its compatibility with high-temperature deposition processes. In the lighting sector, YAG, when doped with cerium, is used as a phosphor in white LED technology.

Other names and variations:
  • Y3Al5O12
  • YAG
  • Yttrium aluminate
  • Yttrium aluminium oxide
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