Caesium lithium borate
CsLiB6O10 (Cesium Lithium Borate, CLBO) is a non-linear crystal for UV applications and generates the 4th. and 5th. harmonics of the Nd:YAG fundamental laser wavelength (1064nm).
Properities
- Transparency range : 180(nm) - 2750(nm)
- Symmetry : tetragonal, point group 4m2
- Cell parameters : a = 10.494, c = 8. 939 Å
- Mohs hardness : 4
- Refractive indexes:
- at 1064 nm : no= 1.4852; ne = 1.4353
- at 532 nm : no = 1.4985; ne = 1.4462
- Non-linear coefficient at 1064 nm : d36 = 0.86(pm/V)
- Optical damage threshold : 25 GW/cm2 (1064 nm; 1,1 ns pulses)
- Work off:
- at 532 nm : 1.83°
- at 488 nm : 0.98°
- Cut off SHG : 471 nm
- Chemical properties : slightly hygroscopic
Nonlinear Optical Properties of CLBO
File:NLO Properties of CLBO.jpg
(Ref:Y. Mori, I. Kuroda, S. Nakajima, T. Sasaki, and S. Nakai, Appl. Phys. Lett. 67, 1818 (1995)
Y. Mori, Y. K. Yap, M. Inagaki, S. Nakajima, A. Taguchi, W. L. Zhou, and T. Sasaki, in Advanced Solid-State Lasers, Vol. 1 of Topics in Optics and Photonics(OSA, Washington, D.C., 1996),p. 341.)
Applications
- generation highest harmonics (SHG, THG, 4HG, 5HG) of laser radiation Nd:YAG
- generation second, third lasers harmonics on the alexandrite, Ti:Sapphire