OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien


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OEM manufacturer Passive Q-Switchs - 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 5I75I8
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

Er YAG02


Product detail pictures:

OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien detail pictures

OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien detail pictures

OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien detail pictures

OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien detail pictures


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We take pleasure in an extremely fantastic standing among the our prospects for our great product top quality, competitive cost and the finest support for OEM manufacturer Passive Q-Switchs - Ho: YAG Crystals – Dien , The product will supply to all over the world, such as: Australia, Germany, Manchester, We have to continue to uphold the "quality, comprehensive, efficient" business philosophy of "honest, responsible, innovative"spirit of service, abide by the contract and abide by reputation, first-class products and improve service welcome overseas customers patrons.
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
5 Stars By Jeff Wolfe from French - 2018.11.11 19:52
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
5 Stars By May from Marseille - 2018.11.04 10:32