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Home > 제품소개 > OPTIC & COMPONENT > Laser Crystal > Cr, Tm, Ho:YAG

Cr, Tm, Ho:YAG
* High-efficiency 2 µm source
* Laser diode sources can be pump the strong 780nm Tm3+ ion absorption line
* Operates in a relatively eye-safe wavelength range

* Surgery
* Dentistry
* Atmospheric Testing

#1 : crtmhoyag_data_sheet.pdf
#2 : CTH_YAG_Absorption Spectrum.pdf

Cr, Tm, Ho:YAG (2080nm)
(Chromium, Thulium, Holmium doped Yttrium Aluminum Garnet)

CTH: YAG Advantages

High-efficiency 2 µm source

  • Cr-Tm transfer quantum efficiency approaching 2
  • Operates well at room temperature
  • May be flashlamp or diode pumped

Laser diode sources can be pump the strong 780nm Tm3+ ion absorption line

  • Chromium doping not necessary for diode-pumped applications
  • Pump linewidth of 4nm; 4 times wider than the corresponding Nd:YAG diode-pump linewidth

Operates in a relatively eye-safe wavelength range

  • Should lead to military and scientific applications in coherent radar and range-finding

Ordering Options and Specifications
%Cr Concentration 0.85%
%Tm Concentration 5.9%>
%Ho Concentration 0.36%
Wavefront Distortion (per inch of rod length) <l/2
End Face Parallelism <30 arc seconds

Material Properties
Formula Cr3+, Tm3+, Ho3+:Y3Al5O12
Crystal Orientation Cubic [111]
Density 4.7 g/cm3
Index of Refraction 1.80 at 2080 nm
Fluorescence Lifetime 8.5 ms
Emission Cross Section2 7 x 10-21 cm2

Available Rod Lengths
3 mm - 152.4 mm

Available Rod Diameters
2 mm - 12.7 mm




 
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