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CLBO: CsLiB6O10

Composition：CLBO(CsLiB6O10）Crystals (Caesium lithium borate)

 

Advantages

  • Short cut off Wavelength (180nm)
  • Large Angle Tolerance
  • Small Walk-off Angle
  • No Saturation for High-Power Generation
  • Superior harmonic generator in UV region (4HG & 5HG of Nd:YAG, Shortest Type I SHG:237nm)
  • High bulk laser damage threshold (>1.7 times higher than fused quartz @266nm)
  • Large d coefficient:d36(532nm)=0.92pm/V ⇒Good for high-power UV applications

 

Advantages compared to BBO

  • High conversion efficiency due to small walk-off
  • Wider transparent range: 180～2750nm ⇒Particularly suited to DUV generation

 

Typical Specifications

 

Application

Machining, Micro Processing, Semiconductor Inspection, Bio-Medical, UV-LIDAR

 

Properties & Sellmeier’s Equation

Wavelength
(nm)		 NLO Crystal Phase Matching Angle
(deg)		 deff
(pm/V)		 Angle Tolerance
(mrad – cm)		 Walk-off Angle
(deg)
1064+532
=355		 CLBO 48.9 0.71 0.92 2.11
BBO 34.6 2.01 0.24 4.47
532+532
=266		 CLBO 62.0 0.79 0.55 1.84
BBO 47.7 1.75 0.19 4.89
1064+266
=213		 CLBO 68.3 0.95 0.48 1.66
BBO 51.1 1.95 0.13 5.51

Remark: PMT = 150 degree-C @CLBO, 27 degree-C @BBO

 
Technical Documents:
CLBO_20220117.pdf