Nd:YAP

Nd:YAP  AlO3 perovskite (YAP) is a well known host for solid state lasers. The crystal anisotropy of YAP offers numerous advantages.It permits a small tuning of wavelength by varyingthe wave vector direction in the crystal. Furthermore, the output beam is linearly polarised.

Basic properties:

Chemical Formula

YAlO3:Nd3+

Crystal structure

D162h

Lattice Constant

a=5,176, b=5,307, c=7,355

Refractive Index

na=1,929, nb=1,943, nc=1,952

dn/dT

na:9,7x10-6 K-1
 nc:14,5x10-6 K-1

Density

5,35 g/cm3

Melting Point

1870°C

Specific Heat

400 J/(kg K)

Thermal Conductivity

0,11 W/(cm K)

Thermal Expansion

9,5 x 10-6 K-1 (a axis)
 4,3 x 10-6 K-1 (b axis)
 10,8 x 10-6 K-1 (c axis)

Knoop Hardness

977 (a axis)