|
Good thermal conductivity
High damage threshold
Pricision control in Transmittance
Cr4+:YAG
Physical
Properties |
|
Chemical
Formula |
Cr4+:Y |
Crystal
Structure |
Cubic
garnet |
Recovery
time |
8.5μs |
Hardness |
8.5
Mohs |
Density |
|
Orientation |
[100]+/-10° |
Thermal
conductivity |
12.13w/m/kv |
Refractive
index |
1.82
@ 1064nm |
Optical
Properties |
|
Base
state absorption cross section |
σs1=4.3x10 |
Emission
state absorption cross section |
σs2=8.2x10 |
Fluorescence
lifetime |
3.4us |
Specification of CrYAG
Main Specifications |
|
Cr4+ dopant concentration: | 0.5 mol% ~ 3 mol% |
Aperture: | 2x2 ~ 14x |
Length: | 0.1 ~ |
Initial transmission: | 10% ~ 99% |
Coating: | Antireflective |
Angle tolerance: | Δθ< ±0.5°; Δφ<±0.5° |
Dimension tolerance: | (W± |
Flatness: | λ/8 @ 633nm |
Scratch/Dig code: | 10/5 Scracth/dig per MIL-O |
Parallelism: | better than 20 arc seconds |
Perpendicularity: | 5 arc minutes |
Wavefront distortion: | less than λ/8 @ 633nm |
Clear aperture: | > 90% central area |
Note:
To inquire or order a finished Cr4+ crystals, please provide specification
as listed above, particularly the size, initial transmission and
coatings.