Caesium lithium borate
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CsLiB6O10 (Caesium 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 (1064 nm).
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[edit] Properties
- 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
- Sellmeier equations (Range:of 400 - 2400 nm ; Ref: Proc. SPIE , 4453, 106 (2001))
- Non-linear coefficient at 1064 nm : d36 = 0.86 pm/V
- Optical damage threshold : 25 GW/cm2 (1064 nm; 1.1 ns pulses)
- Walk off:
- at 532 nm : 1.83°
- at 488 nm : 0.98°
- Cut off SHG : 471 nm
- Chemical properties : slightly hygroscopic
[edit] Nonlinear Optical Properties of CLBO
Harmonics wavelength (nm) |
Phase-matching angle (°) |
Calculated deff (pm/V) |
Walk-off angle (°) |
Angular bandwidth (mrad·cm) |
Spectral bandwidth (nm·cm) |
Temperature bandwidth (°C·cm) |
---|---|---|---|---|---|---|
266 | 61.6 | 0.84 | 1.83 | 0.49 | 0.13 | 8.3 |
213 | 67.3 | 0.87 | 1.69 | 0.42 | 0.16 | 5.1 |
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.
[edit] Applications
- generation highest harmonics (SHG, THG, 4HG, 5HG) of laser radiation Nd:YAG
- generation second, third lasers harmonics on the alexandrite, Ti:sapphire laser