Crystal Structure

Tetragonal ( 4m) : 9^oC < T < 130.5 ^oC

a=3.99  ?,  c= 4.04 ? ,

Growth Method

Top Seeded Solution Growth

Melting Point

1600 ^oC

Density

 6.02  g/cm³

Dielectric constants

e_a = 3700, e_c = 135 (unclamped)

e_a = 2400, e _c = 60 (clamped)

Index of Refraction

                515 nm               633 nm     800 nm

n_o            2.4921                   2.4160                   2.3681

n_e            2.4247                   2.3630                   2.3235

Transmission wavelength

0.45 ~ 6.30 mm

Electro Optic Coefficients:

r^T ₁₃ =      11.7 ?1.9 pm/V     r^T ₃₃ =112 ?10  pm/V

r^T ₄₂=       1920 ?180  pm/V

Reflectivity of SPPC

( at 0 deg. cut )

50 - 70 % ( max. 77% ) for l = 515 nm

50 - 80 % ( max: 86.8%) for l = 633 nm

Two-wave mixing coupling constant:

10 -40  cm^-1

Absorption loss: 

l:             515 nm               633 nm                   800 nm

a:            3.392cm^-1              0.268cm^-1              0.005cm^-1