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  • CTH:YAG Laser Crystals
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  • CTH:YAG Laser Crystals

CTH:YAG Laser Crystals

CTH: YAG crystal is Cr, TM, Ho: YAG crystal. The laser emission wavelength is 2080 nm. CTH: YAG crystal is a 2-micron laser crystal with high pumping efficiency and can be pumped by a flash lamp or laser diode.
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  • Description
CTH: YAG Crystals
CTH: YAG crystal is Cr, TM, Ho: YAG crystal. The laser emission wavelength is 2080 nm. CTH: YAG crystal is a 2-micron laser crystal with high pumping efficiency and can be pumped by a flash lamp or laser diode. Cr, TM, Ho: YAG crystal is widely used in laser medical, measurement, and military fields. In addition, this CTH: YAG crystal has better optical quality, lower scattering loss, and higher efficiency. Lasers made of Cr, TM, Ho: YAG crystals have been widely used in the field of laser medicine. WDQ OPTICS offers the CTH: YAG rods with coating upon the customer's request.

Feature of CTH:YAG Crystals:
-Eye-safe wavelength of 2.1 μm
-High slope efficiency
-Excellent operation at room temperature
-Pumping source options: flash lamp or laser diode
-Used in medical laser systems

Application for CTH:YAG Crystals
Surgery
Dentistry
Atmospheric Testing

Specifications of CTH:YAG Crystals:
Cr Concentration 0.85% Tm Concentration 5.90%
Ho Concentration 0.36% Wavefront Distortion (Per inch of rod length)  
End Face Parallelism <10 arc seconds  

 

Physical and Optical Properties:

Crystal Structure Cubic Lattice Parameters 12.01 Å
Melting Point 1970℃ Moh Hardness 8.5
Density 4.56g/cm3 Specific Heat (0-20) 0.59J/g.cm3
Modulus of Elasticity 310GPa Poisson Ratio 0.3(est.)
Tensile Strength 0.13~0.26GPa Thermal Expansion Coefficient [100]Direction:8.2x10-6 /C°(0~250℃)
[110]Direction:7.7x10-6 /C°(0~250℃)
[111]Direction:7.8x10-6 /C°(0~250℃)
Thermal Conductivity 14W/m/K(@20℃)
10.5W/m/K(@100℃)
Thermal Optical Coefficient (dn/dT) 7.3x10-6 /C°
Thermal Shock Resistance 790W/m Solubility Water: Insoluble;
Common Acids: Slightly
Laser Transition 5I7 - 5I8 Laser Wavelength 2.097μm
Photon Energy 9.55 x 10-20 J Emission Cross Section 7 x 10-21 cm2
Fluorescence Lifetime 8.5 ms Index of Refraction 1.80 @2.08μm
Absorption Linewidth 4nm Diode Pump Band 781nm
Major Pump Bands 400~800nm
If you are interested in CTH:YAG Crystals, welcome to contact us.
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