LBO for THG (Third Harmonic Generation)
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LBO (Lithium troborae or LiB3O5) Is a nonlinear crystal that offers several unique and very important characteristics
LBO material is widely recognized for these features:
- Wide transparency range (160nm – 2600 nm)
- Moderately nonlinear coupling
- High damage threshold
- Good chemical and mechanical properties
- Free of gray track effect
Third Harmonic Generation (THG) is a process whereby light is generated at a wavelength which is 1/3 of the pump wavelength, and it is achieved by a two stage interaction. The first stage is SHG of the pumping laser. The second stage is Sum-Frequency Generation of the pump and second harmonic, yielding the third harmonic.
