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Sales & Tech Support: 231-935-4044 or sales@eotech.com

CTH:YAG - Chromium Thulium Homium-doped YAG

FEE has been growing CTH:YAG for over 20 years. During this time, material properties and qualities have improved to make it one of the best solutions on the market for 2.1 µm lasers. FEE's high quality CTH:YAG is an excellent choice for medical laser applications.

With over 20 years of polishing and fabrication experiece, FEE has become a world leader in providing 2D and 3D crystal designs. FEE also offers low absorbing, high damage threshold optical coatings. 

MATERIAL PARAMETERS

Host Crystal
Y3Al5O12
Dopant Concentration (in the crystal) Cr3+ 1.8 at%
Tm3+ 6.0 at%
Ho3+ 0.36 at%
Orientation
[111] within 2°
Laser Wavelength
2100 nm
Fluorescence Lifetime
8.5 ms
Emission Cross Section
7 x 10-21 cm2
Index of Refraction (2100 nm) 1.80

LASER ROD STANDARD SPECIFICATIONS

Length Typical 100 mm to 130 mm
Diameter Typical 4 mm to 6 mm
AR Coatings Special, super dense, OH-free coating; HR coating available

ABSORPTION SPECTRUM OF CTH:YAG (1.0 nm SBW)

CTH:YAG Data Sheet

 

FEATURES

  • High spectral overlap with flashlamp pumps
  • High efficient conversion to 2100 nm

OPTIONS

  • Bonded end caps
  • Radius or flat ends
  • Barrel fine ground or polished
  • Tapered rod ends

APPLICATIONS

  • Flash-pumped Lasers
  • Q-switched Lasers
  • Medical
  • Commercial

Contact EOT About This Product


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  • Additional Crystal Offerings
    Additional Crystal Offerings
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