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YCOB Crystals

Yttrium calcium borate (YCOB) crystals are excellent dielectrics for nonlinear optics and high temperature piezoelectric applications. YCOB crystals are non-deliquescent and therefore chemically stable, and also have effective nonlinear coefficients that may even be greater than the higher temperature tolerance of LBO. Alfa Chemistry offers YCOB crystals up to 100mm in diameter, grown by Czochralski, contributing to faster growth rates and lower costs.

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Catalog Number
ACMA00027420
Product Name
YCOB Crystals
Molecular Formula
YCa4O(BO3)3
Orientation
Tolerance <0.5 degree
DimensionTolerance
W±0.1mm/H±0.1mm/L±0.2mm/Thickness±0.05mm
Flatness
less than λ/8 @ 633nm
Parallelism
≤30 arc seconds
Perpendicularity
≤5 arc minutes
Surface Quality
better than 10/5 S/D
ClearAperture
>90%

1. Greater effective NLO sensitivity than LBO 2. High temperature tolerance and laser damage threshold 3. Not deliquescence 4. Straight-pull growth, low cost and short growth period

Large aperture ideal for SHG, THG, OPO/OPA, OPCPA of high power lasers.

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