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factory Outlets for Germanium Window - Ce: YAG Crystals – Dien Detail:
Ho:YAG Ho3+ ions doped into insulating laser crystals have exhibited 14 inter-manifold laser channels, operating in temporal modes from CW to mode-locked . Ho:YAG is commonly used as an efficient means to generate 2.1-μm laser emission from the 5I7- 5I8 transition, for applications such as laser remote sensing, medical surgery, and pumping Mid-IR OPO’s to achieve 3-5micron emission. Direct diode pumped systems,and Tm: Fiber Laser pumped system have demonstrated hi slope efficiencies, some approaching the theoretical limit.
Basic Properties
| Ho3+ concentration range |
0.005 – 100 atomic % |
| Emission Wavelength |
2.01 um |
| Laser Transition |
5I7 → 5I8 |
| Flouresence Lifetime |
8.5 ms |
| Pump Wavelength |
1.9 um |
| Coefficient of Thermal Expansion |
6.14 x 10-6 K-1 |
| Thermal Diffusivity |
0.041 cm2 s-2 |
| Thermal Conductivity |
11.2 W m-1 K-1 |
| Specific Heat (Cp) |
0.59 J g-1 K-1 |
| Thermal Shock Resistant |
800 W m-1 |
| Refractive Index @ 632.8 nm |
1.83 |
| Melting Point |
1965℃ |
| Density |
4.56 g cm-3 |
| MOHS Hardness |
8.25 |
| Young’s Modulus |
335 Gpa |
| Crystal Structure |
Cubic |
| Standard Orientation |
<111> |
| Y3+ Site Symmetry |
D2 |
| Lattice Constant |
a=12.013 Å |
Technical Parameters
| Wavefront distortion |
L/8per inch @633nm |
| Extinction ratio |
>28dB |
| Wavefront distortion |
L/8per inch @633nm |
| Extinction ratio |
>28dB |
| Tolerance:Rods with diameter |
(+0、-0.05)mm,( ±0.5) mm |
| Surface quality |
10/5 Scratch/dig per MIL-O-1380A |
| Parallelism |
<10arc seconds |
| Perpendicularity |
<5arc minutes |
| Aperture |
>90% |
| Flatness |
λ/10@ 633 nm |
| Tolerance:Rods with diameter |
(+0、-0.05)mm,( ±0.5) mm |
| Surface quality |
10/5 Scratch/dig per MIL-O-1380A |
| Parallelism |
<10arc seconds |
| Perpendicularity |
<5arc minutes |
| Aperture |
>90% |
| Flatness |
λ/10@ 633 nm |
Absorption coefficient

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Our company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of factory Outlets for Germanium Window - Ce: YAG Crystals – Dien , The product will supply to all over the world, such as: Turkey, Austria, Angola, Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.