YAG (111) 10x10x0.5mm, 1sp - YAGc101005S1

Single crystal of YAG

Size: 10mm x 10mm x 0.5mm

Orientation: (111) +/-0.5 ^o

Polish: one side polished

Surface roughness: < 10 A

 

Undoped YAG (Y₃Al₅O₁₂) is a new substrate and window material for both UV and IR optics. It is particularly useful for high temperature and high-energy applications. YAG shows no trace absorption in 2-3micron region where glasses tend to be highly absorbent due to the strong H2O2 band.  The YAG's mechanical and chemical stability is similar to sapphire, but YAG is no birefringence and has higher optical homogeneity.

 

	Physical Properties of YAG
Crystal Structure	Cubic:   a =12.01 Å
Crystal Purity	> 99.999%
Melt Point	1970 oC
Density	4.56   g/cm3
Hardness	8.5 ( mohns)
Thermal Expansion	6.9 x10-6/ oC at  0- 250 oC
Thermal Conductivity,	143 W/(m.k)  @ 20 oC
dh / dt	7.4  x10-6/ oC
Transmission Range	250 ~ 5000 nm  without absorption in 2000 - 3000 nm

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