Refractive index database

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Optical constants of Lu (Lutetium)
García-Cortés et al. 2010: n,k 0.0000000827–700500 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Conditions & Spec sheet

n_is_absolute: true
wavelength_is_vacuum: true


Density: 9.84 g/cm3. Film deposited at room temperature.


S. García-Cortés, L. Rodríguez-de Marcos, J. I. Larruquert, J. A. Aznárez, J. A. Méndez, L. Poletto, F. Frassetto, A. M. Malvezzi, A. Giglia, N. Mahne and S. Nannarone. Transmittance and optical constants of Lu films in the 3-1800 eV spectral range, J. Appl. Phys. 108, 063514 (2010) (Numerical data kindly provided by Juan Larruquert)


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Lutetium, Lu

Lutetium is a silvery-white metal and the last element in the lanthanide series. While it's not as widely known or used as some other rare earth elements, it has found niche applications in the modern technological and scientific domains. Optically, lutetium aluminate (LuAlO3) and lutetium orthosilicate (LSO) are two materials containing lutetium that are frequently employed in scintillator applications, particularly in positron emission tomography (PET) imaging. The high atomic number of lutetium contributes to its effective detection of gamma rays.

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