YSGG from Russia

YSGG

Nd,Cr:YSGG Er,Cr:YSGG YTTRIUM SCANDIUM GALLIUM GARNET

          CHEMICAL    FORMULA                             Nd,Cr:Y₃ Sc₂Ga₃ O₁₂
                                                                                      Er,Cr:Y₃ Sc₂Ga₃ O₁₂
          CRYSTAL    STRUCTURE                           CUBIC
          SPACE GROUP                                              Ia3d-0¹⁰_h(No.230)

DOPANT NEODIMIUM CROMIUM ERBIUM CROMIUM

DOPING     IMPURITY               CONCENTRATION
CM^-3    2-3.5X10²⁰ 1.0X10²⁰ 4X10²¹ 1.0X10²⁰

WAVELENGTH
mm 1.0585 2.79

REFRACTION
INDEX               1.9263              1.9263

THERMO-OPTICAL
EFFECT         12.3 x10^-6/ ^o C     12.3 x10^-6/ ^o C

LINEAR
EXPANSION
COEFFICIENT           8.1x10^-6/ ^o C        8.1x10^-6/ ^o C

RELATIVE
EFFICIENCY (TO
YAG) OF ENERGY
CONVERSION FOR
A PUMPED LAMP                  2-3              1.5

DIMENSIONS, mm

                                          ROD                        DIA. 4-10XLENGTH 50-120
                                         SLAB                        5-10X20-40X100-120 mm

ORIENTATION OF ROD AXIS                     [100] OR [111] + /-15'
PARALLELISM OF END SURFACES, ARC SEC          10
END SURFACE PERPENDICULARITY, ARC MIN         5
END SURFACE FLATNESS                           1/10TH WAVE
SURFACE FINISH                                             10/5 SCRATCH-DIG
BARREL FINISH     -    GROUND WITH EQUIVALENT TO 400 GRIT

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