Lithium triborate

Lithium triborate
Properties
Molecular formula LiB3O5
Molar mass  ??? g/mol
Appearance colorless, odorless gas
Density 2.747 g/cm3
Refractive index (nD) 1.1120
Structure
Molecular shape Orthorhombic
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Lithium triborate (LiB3O5) LBO is a non-linear optics crystal. It has a wide transparency range, moderately high nonlinear coupling, high damage threshold and desirable chemical and mechanical properties. This crystal is often used for second harmonic generation (SHG, also known as frequency doubling) of Nd:YAG lasers (1064 nm → 532 nm). LBO can be both critically and non-critically phase-matched. In the latter case the crystal has to be heated or cooled depending on the wavelength.

Lithium triborate is an excellent nonlinear optical crystal discovered and developed by FIRSM, CAS (Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences). It has been patented under U.S. Patent 4,826,283 (issued in 1989), 2023845 in Japan and CN88102084.2 in China.

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This page was last modified on 21 February 2010 at 03:34.

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