Cr4+:YAG


Chemical Formula              Cr4+:Y3Al5O12

Wavelength                       950 nm ~ 1100nm

Orientation                        [110] or [100]within 5°

Density                             4.5g/cm3

Parallelism                         ≤ 20"

Perpendicularity                 ≤ 15 ′

Flatness                            ≤ λ/10

Surface quality                  20/10

Cr4+:YAG  is an ideal material for passive Q-switching of Nd:YAG and other Nd and Yb doped lasers in the wavelength range of 0.8 to 1.2um.It is superior stability and reliability, long service life and high damage threshold.

Advantages of Cr4+:YAG

•  High chemical stability and reliability 

•  Being easy to be operated

•  High damage threshold (>500MW/cm2)

•  As high power, solid state and compact passive Q-Switch

•  Long life time and good thermal conductivity


Basic Properties

Product Name

Cr4+:Y3Al5O12

Crystal Structure

Cubic

Dopant Level

0.5mol-3mol%

Moh Hardness

8.5

Refractive Index

1.82@1064nm

Orientation

< 100>within5°orwithin5°

Initial absorption coefficient

0.1~8.5cm@1064nm

Initial transmittance

3%~98%

Technical Parameters

Size

3~20mm, H×W:3×3~20×20mm Upon request of customer

Dimensional tolerances

Diameter:±0.05mm, length: ± 0.5mm

Barrel finish

Ground finish 400#Gmt

Parallelism

≤ 20"

Perpendicularity

 ≤ 15 ′

Flatness

< λ/10

Surface Quality

20/10 (MIL-O-13830A)

Wavelength

950 nm ~ 1100nm

AR Coating Reflectivity

≤ 0.2% (@1064nm)

Damage threshold

≥ 500MW/cm2 10ns 1Hz at 1064nm

Chamfer

<0.1 mm @ 45°

Customized

You can customise this product to your needs. If you do not find suitable specifications for your application please contact us for custom solution.