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CTH: YAG Laser Crystals

Cr:Tm:Ho:YAG is an outstanding laser crystal that emits at a wavelength of 2.1um. Due to its high slope efficiency, excellent operation at room temperature, and output of eye-safe wavelength laser light, CTH:YAG is widely utilized in medical laser systems for surgical, dental, therapeutic purposes and more.


OST Photonics provides CTH:YAG rods with customized coating options to meet the specific needs of our customers. Additionally, CTH:YAG transparent ceramics are also available a maximum doping concentration of 20%, if you are interested in our CTH:YAG transparent ceramics, please do not hesitate to contact us.


Applications of CTH YAG Laser Crystals


  • Medical

  • Military

  • Material processing  

  • Optical communication


Advantages of CTH YAG Laser Crystals


  • High pulse output energy

  • Suitable for repetitive frequency operation

  • Operates well at room temperature

  • Flashlamp or diode pumped

  • Lasers work at wavelengths that are relatively safe for the human eye


Specifications of CTH YAG Laser Crystals


Parameters of materials

Dopant concentration, at.%

0.85 % (Cr)

5.9 % (Tm)

0.36 % (Ho)

Orientation

<100>;<111>

Orientation Tolerence

< 0.5°

Thickness/Diameter Tolerance

±0.05mm

Surface Flatness

<λ/8@632nm

Wavefront Distortion

<λ/4@632nm

Surface Quality

10/5

Parallel

30〞

Perpendicular

15ˊ

Clear Aperture

>90%

Chamfer

<0.2×45°


Properties of CTH YAG Laser Crystals


Crystal Structure

Cubic

Lattice Parameters

12.01 Å

Melting Point

1970 ℃

Moh Hardness

8.5

Density

4.56 g/cm3

Specific Heat (0-20)

0.59 J/g.cm3

Modulus of Elasticity

310 GPa

Poisson Ratio

0.3(est.)

Tensile Strength

0.13~0.26 GPa

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

14 W/m/K(@20℃)
10.5 W/m/K(@100℃)

Thermal Optical Coefficient (dn/dT)

7.3x10^-6 /C°

Thermal Shock Resistance

790 W/m

Solubility

Water: Insoluble;
Common Acids: Slightly

Laser Transition

5I7-5I8

Laser Wavelength

2.097 μm

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 @2.08 μm

Absorption Linewidth

4 nm

Diode Pump Band

781 nm

Major Pump Bands

400~800nm


Contact Us
Welcome your presence, you can send us an email, we will get in touch with you within 24 hours.
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460