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Rapid Delivery for Optical Interference Filter - Ho: 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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We are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Rapid Delivery for Optical Interference Filter - Ho: YAG Crystals – Dien , The product will supply to all over the world, such as: Bulgaria, Brisbane, Ireland, What is good price? We provide customers with factory price. In the premise of good quality, efficiency will have to be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers' requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products and solutions in time. Sincerely hope we could have long term business relationship.