Substrate Specifications

• Crystal Grade:         Single Crystal with  substrate grade (with domains)
  
• Size:                          5 x5 x 1.0 mm +/- 0.05 mm
• Polished:                   One side   polished 
• Orientation:                <111> +/- 0.5 ^o
• Packing:                   1000 class clean room in vacuum bag
• Shipping:                  in a thermal box with battery pack to keep substrate > 10^oC 
   
  

  Typical  Properties of BaTiO3 single crystal
  

  Crystal Structure	Tetragonal ( 4m) : 9oC < T < 130.5 oC a=3.99  A  c= 4.04 A
  Growth Method	Top Seeded Solution Growth
  Melting Point	1600 oC
  Density	6.02  g/cm3
  Dielectric constants	ea = 3700, ec = 135 (unclamped) ea = 2400, e c = 60 (clamped)
  Index of Refraction	515 nm               633 nm     800 nm no            2.4921                   2.4160                   2.3681 ne            2.4247                   2.3630                   2.3235
  Transmission wavelength	0.45 ~ 6.30 mm
  Electro Optic Coefficients:	rT 13 =      11.7 ?1.9 pm/V     rT 33 =112 ?10  pm/V    rT 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

  
  

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