LB4: Li2B4O7

LB4(Li2B4O7) Single Crystals (Lithium Tetraborate)

Advantages

  • High transmittance at DUV
  •  Large size (f = 84 mm)
  •  Cost effective(based on Vertical Bridgman method)

 

Optical properties 
Transmission range 170nm~3400nm
Refractive indices  n0=1.774, ne=1.699 @ 189 nm
n0=1.612, ne=1.555 @ 546 nm

Applications
DUV Glan-Thompson Polarizer

Electro-optic modulator
NLO device

Ref: T.Sugawara et. al., Solid State Commun. 107 (1998) 233

 

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