Er:YLF(Erbium-doped yttrium lithium fluoride) – Laser Crystal – Gain Medium – Customized Products

Product ID: 6624


$100

Er:YLF(Erbium-doped yttrium lithium fluoride) – Laser Crystal – Gain Medium – Customized Products

Er:YLF crystal products, also known as erbium-doped yttrium fluoride lithium crystal. It is a kind of crystal product with excellent comprehensive performance. It is widely used in industrial, medical and scientific research fields. The product has the characteristics of low nonlinear refractive index, low phonon frequency and long life laser emission level. It can be used in 2940nm erbium laser, 3 μm laser Q switch, upconversion visible light laser, laser ranging products.

Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.

Features

Low phonon frequency
Negative thermal light coefficient
Long laser emission energy level life
Wide range of transparency (from VUV to 10 μm region)

Standard

Orientation A-cut
Parallelism <10〞
Perpendicularity <10ˊ
Surface Quality 10-5 S-D
Wavefront Aberration <λ/4 per inch@632.8 nm
Flatness <λ/10 @632.8 nm
Clear Aperture >90%
Face Dimension Tolerance +0.0/-0.1 mm
Length Tolerance ±0.1mm
Chamfer <0.1mm@45°

Physical and Chemical Properties

Structural Symmetry Quartet
Lattice Constant a=5.173, c=10.747 Å@1.5%
Density 3.95g/cm3
Melting Point 819°C
Thermal Conductivity/(W·m-1·K-1) ~5
Specific Heat(J·g-1·K-1) 0.79
Thermal Expansion/(10-6·K-1 ) 8
Hardness (kg/mm2@Mohs) 5
Young’s Modulus/(108g/cm2) 7.65

Optical Properties

Typical Doping Levels 15%
Refractive Index(@2070nm) n0=1.442, ne=1.464
Thermal Coefficient of Light(10-6·K-1) -2(∥a), -4.1(∥c)
4I11/2Er Level Lifetime(ms) 4
Emission Cross Section(10-20/cm2) 1.5@2800nm
Absorption Peak Wavelength 972nm
Absorption Coefficient of Peak Wavelength 28cm-1
Absorption Bandwidth of Peak Wavelength ~1nm
Laser Wavelength 2810nm

Spectrum

TaorLab laser crystals

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