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Chromium Doped Yttrium AIuminum Garnet (Cr4+ : YAG) crystal
Cr4+:YAG (Cr4+:Y3Al5O12 ) is an excellent crystal for passively Q-switching diode pumped or lamp-pumped Nd:YAG, Nd:YLF, Yb:YAG or other Nd and Yb doped lasers at wavelength from 1.0 to 1.2 mm.
Because of its chemically stability, durability, UV resistance, good thermal conductivity and high damage threshold (> 500 MW/cm2) and ease of use, it replaces traditional materials, such as, LiF and Organic Dyes.
Standard size of 3X3mm with To = 80% or 90% are readily available.
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Main Specifications |
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Flatness |
< l/8 |
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Wavefront Distortion |
< l/4 |
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Parallelism |
< 30" |
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Surface quality |
20/10 scratch/dig |
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AR-coating |
R<0.2% @ 1064 nm |
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Standard Aperture |
3X3 ~ 10X10 mm |
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HR-coatings |
(To) from 10% to 95% |
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Basic Properties of Cr 4+:YAG |
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Formula |
Cr4+ : Y3Al5O12 |
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Crystal Structure |
Cubic Garnet |
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Dopant Level |
0.5 mol% ~ 3 mol% |
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Hardness |
8.5 (Mohs) |
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Damage Threshold |
> 500 MW/cm 2 |
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Refractive Index |
1.82 @ 1064 nm |
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Contact Information
sp3 plus ltd
18 All Saints Road
Tunbridge Wells,
Kent
TN4 9JF
United Kingdom
email:info@sp3plus.co.uk
ph: +44 (0)1892 615571
fax:+44 (0)1892 615726