CrYAG

Cr4+:YAG Crystal is an excellent crystal for passively Q-switching diode pumped or lamp-pumped Nd:YAG, Nd:YLF, Nd:YVO4 or other Nd and Yb doped lasers at wavelength from 0.8 to 1.2 µm. Passive Q-switches or saturable absorbers provide high power laser pulses without electro-optic Q-switches, thereby reducing the package size and eliminating a high voltage power supply. Cr4+:YAG is more robust than dyes or color centers and is the material of choice for 1 µm Nd lasers. Passive Q-switched lasers incorporating Cr:YAG crystals have been extensively manufactured at low cost and with reduced system size and weight.
 

Specification of CrYAG

 
Aperture:
1x1 ~ 14x14mm
Initial transmission:
3% ~ 98%
Initial absorption coefficient
0.1~8.5cm@1064nm
Coating:
Antireflective coating@1064nm
Angle tolerance:
Δθ< ±0.5°; Δφ<±0.5°
Dimension tolerance:
(W±0.1mm) x (H±0.1mm) x (L + 0.2mm/-0.1mm)
Flatness:
λ/8 @ 633nm
Scratch/Dig code:
10/5 Scracth/dig per MIL-O-13830B
Parallelism:
Better than 20 arc seconds
Perpendicularity:
5 arc minutes
Wavefront distortion:
Less than λ/8 @ 633nm
Clear aperture:
> 90% central area

Standard Products

Diameter
T%
Cut angle
Coating
CrYAG-6070
6
70%
<100>
AR/AR1064 nm
CrYAG-6080
6
80%
<100>
AR/AR1064 nm
CrYAG-6085
6
85%
<100>
AR/AR1064 nm
CrYAG-8015
8
15%
<100>
AR/AR1064 nm
CrYAG-8020
8
20%
<100>
AR/AR1064 nm
CrYAG-8030
8
30%
<100>
AR/AR1064 nm
CrYAG-8070
8
70%
<100>
AR/AR1064 nm
CrYAG-8080
10
80%
<100>
AR/AR1064 nm
CrYAG-8085
10
85%
<100>
AR/AR1064 nm
CrYAG-1230
12.7
30%
<100>
AR/AR1064 nm
CrYAG-1230
12.7
30%
<110>
AR/AR1064 nm
CrYAG-1225
12.7
25%
<100>
AR/AR1064 nm
CrYAG-1225
12.7
25%
<100>
AR/AR1064 nm

 

Note:
When inquring or ordering Cr4+:YAG crystal, Please specify the size, initial transmission and coatings.