Nd:GdVO4 Neodymium Doped Gadolinium Orthovanadate Laser Crystals Customized

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Nd:GdVO4 Neodymium Doped Gadolinium Orthovanadate Laser Crystals Customized
 

Nd:GdVO4, is a promising material for diode pumped lasers. Similar to the more well-known Nd:YVO4 crystal, Nd:GdVO4 crystal also exhibits high gain, low threshold, and high absorption coefficients at pumping wavelengths. Nd:GdVO4 has the additional advantage over Nd:YVO4 of a much higher thermal conductivity. For CW lasing at 1.06 um and 1.34 um and intracavity doubling with KTP and LBO, the gadolinium vanadate have produced a higher slope efficiency or optical conversion than Nd:YVO4.

Nota:
1. This is a customized product.
2. $55 is a deposit, not the final price of the product.
3. The main factors affecting the price: quantity, size, processing index.
4. Please provide crystal processing drawings or crystal size, membranes, quantity, processing index. (Contact us
5. Crystal customization time: 3~6 weeks.
6. Garantía: 1 year

[Features]
1. Large stimulated emission cross section at laser wavelength.
2. High absorption coefficient and wide bandwidth at pump wavelength.
3. Low dependency on pump wavelength.
4. Good thermal conductivity.
5. Low lasing threshold and high slope efficiency.
6. High laser induced damage threshold.
7. Strongly-polarized laser output.

Material Properties: Comparing Nd:GdVO4 with Nd:YVO4

Crystal Nd:GdVO4 Nd:YVO4
Crystal Structure,Space Group Tetragonal, I41/amd Tetragonal, I41/amd
Lattice constants (nm) a:0.721 b:0.635 a:0.721 b:0.629
Melting temperature(℃) 1780 1825
Thermal expansion @250C, x10-6/0C a 1.7 a 4.43
b 7.3 b 11.4
Specific heat @250C, cal/mol·K 32.6 24.6
dn / dT, x10-6/0C 4.7 2.7


Information Regarding Neodymium Laser Host Crystals

Crystal Nd:YVO4 Nd:GdVO4 Nd:YAG
Laser wavelengths 1064.3nm, 1342.0 nm 1062.9 nm, 1340 nm 1064.2 nm, 1338.2 nm
Emission bandwidth
(linewidth at 1064 nm)
0.8nm   0.45nm
Effectivelasercross section
(emission cross section at 1064 nm)
15.6 x 10^-19 cm² 7.6 x 10^-19 cm² 6.5 x 10^-19 cm²
Polarization Parallel to c-axis Parallel to c-axis unpolarized
Radioactive lifetime (microseconds)
at 1% Nd doping
~100µs ~95µs 230µs
Pump wavelength 808.5nm 808.4nm 807.5nm
Thermal conductivity, W/m/K 5.1 11.7 14
Peak pump absorption at 1% doping ~ 41 cm^-1 ~ 57 cm^-1  


Nd:GdVO4 specifications:

Prameter Value
Doping 0.1%~3%
Doping concentration tolerance ±0.05%(atm%<1%),±0.1%(atm%≥1%)
Orientation A-cut/C-cut +/-0.5deg.
Dimension Tolerance ±0.1nm
Flatness λ/10 @ 632.8nm
Wavefront distortion λ/6@ 632.8nm
Surface Quality 10/5  per MIL-O-13830B
Parallelism 10″
Perpendicularity 10′
Bevel/Chamfer <0.1mm@45deg.
Chips <0.1mm
Clear Aperture >95%
Coating AR/HR/PR coating upon customer’s request
Damage Threshold 750MW/CM² at 1064nm, TEM00, 10ns, 10Hz
Quality Warranty Period One year under proper use

 

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