TGG from Russia 

TGG

TERBIUM   GALLIUM   GARNET

APPLICATION                 -    FARADAY          EFFECT           DEVICES

MAIN FEATURES           -   HIGH      VERDET   CONSTANT,      WIDE TRANSPARENCY RANGE  500 - 1500 nm,    LOW LOSSES,     HIGH DAMAGE     RESISTANCE,       HIGH     THERMAL  CONDUCTIVITY

STANDARD SIZES       -  DIA. 5 - 20 MM,           LENGTH 10 - 40 MM

 
             CHEMICAL    FORMULA                                   Tb₃ Ga₅ O₁₂
             CRYSTAL    STRUCTURE                                CUBIC 
             SPACE GROUP                                                   Ia3d-0¹⁰_h(No.230)
                                                                                                             _o
             LATTICE    CONSTANT                                     12.347 A
             THERMOCONDUCTIVITY                                 4.5 WM^-1K^-1
             REFRACTION    INDEX
                         AT    1060 nm                                      1.954
                               AT      600 nm                                      1.978
             DIELECTRIC    CONSTANT                              12.40+/-0.03
             DIELECTRIC    LOSS, TAN s             0.0005
             FORWARD    TRANSMISSION                         >99% 
             ABSORPTION    COEFFICIENT 
                            AT 500 - 1200 nm                              0.0055 - 0.006 CM^-1

             VERDET CONSTANT, 
             MIN OERSTED^-1CM^-1
                           AT 500 - 1060 nm                                  0.75 - 0.12
                           AT 633 nm                                              0.46
                           AT 1058 nm                                            0.1272

             BIREFRINGENCE                                               <0.01%
             EXTINCTION     RATIO                                      >30 dB
             PULSE   DAMAGE   THRESHOULD              >300 MW CM^-2
             OPERATING TEMPERATURE RANGE        23+/-5 GRAD C
             ORIENTATION OF ROD AXIS                    [100] OR [111] + /-15'

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